Pipelining and Parallelism
Akka Streams processing stages (be it simple operators on Flows and Sources or graph junctions) are "fused" together and executed sequentially by default. This avoids the overhead of events crossing asynchronous boundaries but limits the flow to execute at most one stage at any given time.
In many cases it is useful to be able to concurrently execute the stages of a flow, this is done by explicitly marking them as asynchronous using the async method. Each processing stage marked as asynchronous will run in a dedicated actor internally, while all stages not marked asynchronous will run in one single actor.
We will illustrate through the example of pancake cooking how streams can be used for various processing patterns, exploiting the available parallelism on modern computers. The setting is the following: both Patrik and Roland like to make pancakes, but they need to produce sufficient amount in a cooking session to make all of the children happy. To increase their pancake production throughput they use two frying pans. How they organize their pancake processing is markedly different.
Pipelining
Roland uses the two frying pans in an asymmetric fashion. The first pan is only used to fry one side of the pancake then the half-finished pancake is flipped into the second pan for the finishing fry on the other side. Once the first frying pan becomes available it gets a new scoop of batter. As an effect, most of the time there are two pancakes being cooked at the same time, one being cooked on its first side and the second being cooked to completion. This is how this setup would look like implemented as a stream:
// Takes a scoop of batter and creates a pancake with one side cooked
val fryingPan1: Flow[ScoopOfBatter, HalfCookedPancake, NotUsed] =
Flow[ScoopOfBatter].map { batter => HalfCookedPancake() }
// Finishes a half-cooked pancake
val fryingPan2: Flow[HalfCookedPancake, Pancake, NotUsed] =
Flow[HalfCookedPancake].map { halfCooked => Pancake() }
// With the two frying pans we can fully cook pancakes
val pancakeChef: Flow[ScoopOfBatter, Pancake, NotUsed] =
Flow[ScoopOfBatter].via(fryingPan1.async).via(fryingPan2.async)
The two map stages in sequence (encapsulated in the "frying pan" flows) will be executed in a pipelined way, basically doing the same as Roland with his frying pans:
- A ScoopOfBatter enters fryingPan1
- fryingPan1 emits a HalfCookedPancake once fryingPan2 becomes available
- fryingPan2 takes the HalfCookedPancake
- at this point fryingPan1 already takes the next scoop, without waiting for fryingPan2 to finish
The benefit of pipelining is that it can be applied to any sequence of processing steps that are otherwise not parallelisable (for example because the result of a processing step depends on all the information from the previous step). One drawback is that if the processing times of the stages are very different then some of the stages will not be able to operate at full throughput because they will wait on a previous or subsequent stage most of the time. In the pancake example frying the second half of the pancake is usually faster than frying the first half, fryingPan2 will not be able to operate at full capacity [1].
Note
Asynchronous stream processing stages have internal buffers to make communication between them more efficient. For more details about the behavior of these and how to add additional buffers refer to Buffers and working with rate.
Parallel processing
Patrik uses the two frying pans symmetrically. He uses both pans to fully fry a pancake on both sides, then puts the results on a shared plate. Whenever a pan becomes empty, he takes the next scoop from the shared bowl of batter. In essence he parallelizes the same process over multiple pans. This is how this setup will look like if implemented using streams:
val fryingPan: Flow[ScoopOfBatter, Pancake, NotUsed] =
Flow[ScoopOfBatter].map { batter => Pancake() }
val pancakeChef: Flow[ScoopOfBatter, Pancake, NotUsed] = Flow.fromGraph(GraphDSL.create() { implicit builder =>
val dispatchBatter = builder.add(Balance[ScoopOfBatter](2))
val mergePancakes = builder.add(Merge[Pancake](2))
// Using two frying pans in parallel, both fully cooking a pancake from the batter.
// We always put the next scoop of batter to the first frying pan that becomes available.
dispatchBatter.out(0) ~> fryingPan.async ~> mergePancakes.in(0)
// Notice that we used the "fryingPan" flow without importing it via builder.add().
// Flows used this way are auto-imported, which in this case means that the two
// uses of "fryingPan" mean actually different stages in the graph.
dispatchBatter.out(1) ~> fryingPan.async ~> mergePancakes.in(1)
FlowShape(dispatchBatter.in, mergePancakes.out)
})
The benefit of parallelizing is that it is easy to scale. In the pancake example it is easy to add a third frying pan with Patrik's method, but Roland cannot add a third frying pan, since that would require a third processing step, which is not practically possible in the case of frying pancakes.
One drawback of the example code above that it does not preserve the ordering of pancakes. This might be a problem if children like to track their "own" pancakes. In those cases the Balance and Merge stages should be replaced by strict-round robing balancing and merging stages that put in and take out pancakes in a strict order.
A more detailed example of creating a worker pool can be found in the cookbook: Balancing jobs to a fixed pool of workers
Combining pipelining and parallel processing
The two concurrency patterns that we demonstrated as means to increase throughput are not exclusive. In fact, it is rather simple to combine the two approaches and streams provide a nice unifying language to express and compose them.
First, let's look at how we can parallelize pipelined processing stages. In the case of pancakes this means that we will employ two chefs, each working using Roland's pipelining method, but we use the two chefs in parallel, just like Patrik used the two frying pans. This is how it looks like if expressed as streams:
val pancakeChef: Flow[ScoopOfBatter, Pancake, NotUsed] =
Flow.fromGraph(GraphDSL.create() { implicit builder =>
val dispatchBatter = builder.add(Balance[ScoopOfBatter](2))
val mergePancakes = builder.add(Merge[Pancake](2))
// Using two pipelines, having two frying pans each, in total using
// four frying pans
dispatchBatter.out(0) ~> fryingPan1.async ~> fryingPan2.async ~> mergePancakes.in(0)
dispatchBatter.out(1) ~> fryingPan1.async ~> fryingPan2.async ~> mergePancakes.in(1)
FlowShape(dispatchBatter.in, mergePancakes.out)
})
The above pattern works well if there are many independent jobs that do not depend on the results of each other, but the jobs themselves need multiple processing steps where each step builds on the result of the previous one. In our case individual pancakes do not depend on each other, they can be cooked in parallel, on the other hand it is not possible to fry both sides of the same pancake at the same time, so the two sides have to be fried in sequence.
It is also possible to organize parallelized stages into pipelines. This would mean employing four chefs:
- the first two chefs prepare half-cooked pancakes from batter, in parallel, then putting those on a large enough flat surface.
- the second two chefs take these and fry their other side in their own pans, then they put the pancakes on a shared plate.
This is again straightforward to implement with the streams API:
val pancakeChefs1: Flow[ScoopOfBatter, HalfCookedPancake, NotUsed] =
Flow.fromGraph(GraphDSL.create() { implicit builder =>
val dispatchBatter = builder.add(Balance[ScoopOfBatter](2))
val mergeHalfPancakes = builder.add(Merge[HalfCookedPancake](2))
// Two chefs work with one frying pan for each, half-frying the pancakes then putting
// them into a common pool
dispatchBatter.out(0) ~> fryingPan1.async ~> mergeHalfPancakes.in(0)
dispatchBatter.out(1) ~> fryingPan1.async ~> mergeHalfPancakes.in(1)
FlowShape(dispatchBatter.in, mergeHalfPancakes.out)
})
val pancakeChefs2: Flow[HalfCookedPancake, Pancake, NotUsed] =
Flow.fromGraph(GraphDSL.create() { implicit builder =>
val dispatchHalfPancakes = builder.add(Balance[HalfCookedPancake](2))
val mergePancakes = builder.add(Merge[Pancake](2))
// Two chefs work with one frying pan for each, finishing the pancakes then putting
// them into a common pool
dispatchHalfPancakes.out(0) ~> fryingPan2.async ~> mergePancakes.in(0)
dispatchHalfPancakes.out(1) ~> fryingPan2.async ~> mergePancakes.in(1)
FlowShape(dispatchHalfPancakes.in, mergePancakes.out)
})
val kitchen: Flow[ScoopOfBatter, Pancake, NotUsed] = pancakeChefs1.via(pancakeChefs2)
This usage pattern is less common but might be usable if a certain step in the pipeline might take wildly different times to finish different jobs. The reason is that there are more balance-merge steps in this pattern compared to the parallel pipelines. This pattern rebalances after each step, while the previous pattern only balances at the entry point of the pipeline. This only matters however if the processing time distribution has a large deviation.
| [1] | Roland's reason for this seemingly suboptimal procedure is that he prefers the temperature of the second pan to be slightly lower than the first in order to achieve a more homogeneous result. |
Contents


//= ./html/header.html
//= ./html/about.html //= ./html/problems.html //= ./html/solutions.html //= ./html/program.html //= ./html/teacher.html //= ./html/guarantees.html //= ./html/feedback.html //= ./html/reg.html


Report Incidents
Select template from the list
Click on the map to create a new feature
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Or
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{% import "bootstrap/utils.html" as utils %} {% extends "base.html" %} {% block title %}Home{% endblock %} {% block body %}
| Departments ID | Departments Name | Departments Description | Action | |||
|---|---|---|---|---|---|---|
{{ department.id }} Company |
{{ department.name }} | {{ department.description }} | edit | view | Delete |


i have a simple request.
you should bring back the old BBlog language system, because the real Battlelog is useful only in english and is simply useless in Italian(i don't know other languages), because the Italian Battlelog doesn't receive the latest news(there are only 3 news since the Battlelog opened) and doesn't have its own forum(if you want use it you have to set the Battlelog in english)
i used the old BBlog in italian while i was using the Battlelog in english and it was very useful, but now i have to choose between one or the other.
BrainFooLong
Administrator
That's one of the simplification things in BBLog v3.
Sry if you used it differently. We do not put it back again.


{% extends 'base.html' %} {% block content %} Delete: {{object.name}} {% csrf_token %} Are you sure you want to delete "{{ object }}"? This cannot be reversed. Back to My Accounts {% endblock %}
This cannot be reversed.


Quiz Setup
Select the number of questions you would like:
Choose your programming language to test over:
HTML
2 Questions
5 Questions
10 Questions
15 Questions
Proceed to the Quiz


Custom notifications, alerts, confirmations
This library was extracted from code of DHTMLX suite.
Live samples can be checked at http://dhtmlx.github.com/message/
jsMessage offers 4 variations at your disposal:
The type (subtype) of the message window is specified through the parameter type. The default value is "message".
dhtmlx.message({
type:"confirm-warning",
text:"Are you sure you want to do it?"
})
or, you can use separate methods
dhtmlx.confirm({
title:"Confirm",
text:"Continue?"
});
//or
dhtmlx.alert({
title:"Alert",
type:"alert-error",
text:"You can do this"
});
//or
dhtmlx.modalbox({
title:"Settings",
text:"Abstract popup"
});
For any type of the message window you can define a custom style to achieve the desired look. Generally, the appropriate css class is specified through the parameter type: you define a css class and set the parameter to its name.

Full form
dhtmlx.message({
title: "Close",
type: "alert",
text: "You can't close this window!",
callback: function() {dhtmlx.alert("Test alert");}
})
//or
dhtmlx.alert({
text: "Download is completed.",
callback: function() {dhtmlx.alert("Test alert");}
})
Short form
dhtmlx.alert("someText");
Both alert and confirm blocks keyboard input while active. Pressing SPACE or ENTER will close message with positive result. Pressing ESC will close message with negative result. (you can use dhtmlx.message.keyboard = false; to disable this behavior)
Full form
dhtmlx.message({
type:"confirm",
text: "Continue?",
callback: function() {dhtmlx.confirm("Test confirm");}
});
//or
dhtmlx.confirm({
title: "Close",
type:"confirm-warning",
text: "Are you sure you want to do it?",
callback: function() {dhtmlx.confirm("Test confirm");}
});
Short form
dhtmlx.confirm("ConfirmText");
Examples
dhtmlx.modalbox({
title:"Settings"
text: " ... html code here... ",
buttons:["Save", "Defaults", "Cancel"],
callback:process_result
});
function returns the html container of the box which can be used for some actions
var box = dhtmlx.modalbox(...);
box.getElementsByTagName("input")[0].focus();
...
dhtmlx.modalbox.hide(box); //hide popup
There are 3 way to close modal box
var box = dhtmlx.modalbox({
text:"Click to close"
});
You can place a custom button in the popup, which is styled exactly as default message buttons. To do so you need to place the next html snippet
var box = dhtmlx.modalbox({
text:"<input type='button' value='Press me'>"
});
Instead of setting html text you can place any html container on the page in the modalbox

Some form here

var box = dhtmlx.modalbox(content:"mycontent");
after box will be closed, you can reopen it by
dhtmlx.modalbox(box);
Full form
dhtmlx.message({
text:"An error has occured.
 Please, see the log file!",
expire:1000, You can use negative value (-1) to make notice persistent.
type:"customCss" // 'customCss' - css class
});
Short form
dhtmlx.message("Your data has been successfully saved!");
Default delay of notifications can be set as
dhtmlx.message.expire = 4000; //time in milliseconds
t.position = "top";
Default position of notices can be set as
dhtmlx.message.position = "top"; // possible values "top" or "bottom"
Interaction with alert and confirm from keyboard can be disabled by
dhtmlx.message.keyboard = false; // possible values "top" or "bottom"
For all kinds of messages, there are alert variations, which can be used for more important notifications
dhtmlx.message({ type:"error", "Critical error!"});
//or
dhtmlx.message({ type:"alert-error", "Critical error!"});
//or
dhtmlx.message({ type:"confirm-error", "Confirm self-destruction!"});


Join the numbers and get to the 2048 tile!
Player 1
Player 2
How to play: Player 1 uses the WASD keys to move the tiles while Player 2 uses the arrow keys. When two tiles with the same number touch, they merge into one! Players switch off turns moving the tiles.


Namespace Cadru
Classes
CancelEventArgs<T>
CancelEventArgs<T> is the base class for classes containing event data for a cancelable event.
EmptyDisposable
Represents an empty
Enum<TEnum>
Provides a class for working with enumerations.
EnumDescriptionAttribute
Provides a description for an enumerated type.
EventArgs<T>
EventArgs<T> is the base class for classes containing event data.
WeakReference<T>
Represents a weak reference, which references an object while still allowing that object to be reclaimed by garbage collection.
Structs
Comb
Represents a combined globally unique identifier (GUID) and time stamp.
ConstrainedNumeric<T>
Represents a type whose value is constrained to be within an upper and lower bound.
UnixTimestamp
Represents an instant in time, defined as the number of seconds that have elapsed since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970, not counting leap seconds.
Interfaces
IDisposablePattern
Defines an extended method to release allocated Strings.


Select:
Rectangle:
Ellipse:
Line:
Arrow:
Red:
Green:
Yellow:
White:
Stroke Width:
0.25
0.5
1
2
3
4
5
6
7
8
9
10
15
Zoom:
+
-
100 %
Delete selected
Delete all
Select all
Copy
Paste
Set shapes
Get shapes (to console)
Add bounding boxes
Select shape by ID
Delete shape by ID


This document describes the API of forklabs-bnetconnector, a tiny library to help making authenticated connections to the World of Warcraft RESTful API.
forklabs-bnetconnector requires Java 1.6 or later.


Next: Lexical Variables, Previous: Form Evaluation, Up: The Evaluation Model
If a form is a symbol, then it is either a symbol macro or a variable.
The symbol names a symbol macro if there is a binding of the symbol as a symbol macro in the current lexical environment
(see define-symbol-macro and symbol-macrolet).
If the symbol is a symbol macro, its expansion function is obtained. The expansion function is a function of two arguments, and is invoked by calling the macroexpand hook with the expansion function as its first argument, the symbol as its second argument, and an environment object (corresponding to the current lexical environment) as its third argument. The macroexpand hook, in turn, calls the expansion function with the form as its first argument and the environment as its second argument. The value of the expansion function, which is passed through by the macroexpand hook, is a form. This resulting form is processed in place of the original symbol.
If a form is a symbol that is not a symbol macro, then it is the name of a variable, and the value of that variable is returned. There are three kinds of variables: lexical variables, dynamic variables, and constant variables. A variable can store one object. The main operations on a variable are to read_1 and to write_1 its value.
An error of type unbound-variable should be signaled if an unbound variable is referenced.
Non-constant variables can be assigned by using setq or bound_3 by using let. Figure 3–1 lists some defined names that are applicable to assigning, binding, and defining variables.
| boundp | let | progv |
| defconstant | let* | psetq |
| defparameter | makunbound | set |
| defvar | multiple-value-bind | setq |
| lambda | multiple-value-setq | symbol-value |
Figure 3–1: Some Defined Names Applicable to Variables
The following is a description of each kind of variable.
Next: Lexical Variables, Previous: Form Evaluation, Up: The Evaluation Model


Ingredients
Instructions
Preheat the oven to 425 degrees Fahrenheit.
Place the tortilla in a 12-inch cast iron pan (see notes on baking surfaces below).
Spread sauce evenly across the tortilla, leaving 1/2 inch around the edges.
Sprinkle with cheese and toppings.
Bake for 12-14 minutes, until the cheese is golden and bubbling (no sooner!) and the edges of the tortilla are lightly browned.
Slice and serve.
Notes: If you don’t have a cast iron skillet I highly recommend getting one, but you can use an oven-safe baking rack or bake it directly on the rack of your toaster oven instead. Bake at 400 degrees for 8 to 11 minutes. Do not use a regular baking sheet because the bottom of the tortilla will not get crispy, your cheese will slide right off and you’ll wish you ordered out.
Although I have not tried it personally, Kim tried making tortilla pizzas in her cast iron skillet on a gas grill and said they turned out great! Make sure to check the ingredients list on the whole wheat tortillas. It should list about 5 ingredients, not 25. I buy mine at health food stores and store them in the fridge or freezer and they almost never go bad.
Topping ideas: As shown: barbecue sauce (trust me), fresh mozzarella and sharp cheddar cheese, chopped red onion, sliced fresh jalapeño, fresh or defrosted frozen pineapple (canned pineapple is not as good). Basil pesto, feta, fresh or roasted bell peppers (jarred is fine), sliced kalamata olives, chopped red onion, sliced cherry tomatoes. Arugula pesto, basil pesto or light marinara sauce, mozzarella (optional), fresh arugula and parmesan shavings added after baking (like this). Red pepper pesto and goat cheese. Anything you want!


Logo
Menu
Tops
Red Tops
Green Tops
Bottoms
First link in dropdown
Pants
First link in dropdown
Shirts
First link in dropdown
Underwear
First link in dropdown
Kids
First link in dropdown
Tops
Red Tops
Green Tops
Bottoms
First link in dropdown
Gift Cards
More


This is the UI trail from the original Tutorial, updated and expanded to reflect the Swing components.  Much more fun than a root canal!


1098 West 1300 N
Clinton, Utah 84015
17 March 2003
Dear Brethren:
When I was dating Kenneth Browning, who is now my husband, he was helping to support his older brother on his mission. Ken had always wanted to go on a mission, but after he talked to our Bishop he was advised to get married. The Bishop told him that when you meet and fall in love with a special companion, then that is a mission in life. I had told Ken I would wait for him while he went on his mission, but we took the Bishop’s advice and got married. We continued to help support Ken’s missionary brother for over a year. Whenever we would go to missionary farewells or homecomings, Ken would feel bad wishing that he had been able to go. I told him that after we raised our family, we would go together. I looked forward to this time, although I know I was more excited that he could finally go out to serve the Lord, than for me.
The day came when we met with our Bishop and he handed each of us our mission papers to fill out. As he handed mine to me, an overwhelming feeling of love, excitement and joy came over me, tears came to my eyes and the thoughts came to me “These are my papers, not just Ken’s. The Lord wants me to go too.” I have helped our sons fill out their papers to go on missions and now I will be filling out mine.” I felt I had the confirmation that this mission wasn’t just for Ken, but for me also. I love the Lord and am excited to go out in the mission field to share his gospel with our brothers and sisters.
When I was being interviewed by our Stake President and he asked me if I felt I was worthy and ready to go out and represent our Savior, Jesus Christ, again an overwhelming feeling of love came over me and, through my tears, I managed to say “I hope so as I love him and want to serve him.”
I was surprised, when we opened the call and saw that we were to serve in the Philippines Angeles Mission, as I had supposed that we would be serving somewhere in the states, but I am excited and willing to go wherever the Lord wants us to serve. I am also excited to be able to serve with my best friend and eternal companion. I feel inadequate, in many ways to preach the gospel, but I know that with the Lord’s help all things are possible.


|
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| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object org.medcare.igtl.messages.OpenIGTMessage org.medcare.igtl.messages.TransformMessage
public class TransformMessage
This class create an Transform objet from bytes received or help to generate bytes to send from it
| Field Summary | |
|---|---|
static int |
IGTL_TRANSFORM_SIZE
|
| Fields inherited from class org.medcare.igtl.messages.OpenIGTMessage |
|---|
body, bytesArray, deviceName, header, VERSION |
| Constructor Summary | |
|---|---|
TransformMessage(Header header,
byte[] body)
Constructor to be used to create message from received data |
|
TransformMessage(java.lang.String deviceName)
Constructor to be used to create message to send them with this constructor you must use method SetImageHeader, then CreateBody and then getBytes to send them |
| Method Summary | |
|---|---|
double[][] |
GetMatrix()
To get Image matrix |
double[][] |
GetNormals()
To get Image normals |
double[] |
GetOrigin()
To get Image origin |
byte[] |
GetTransformData()
To get transform_data byte array |
byte[] |
PackBody()
To create body from image_header and image_data SetTransformData must have called first |
void |
SetMatrix(double[][] matrix)
To set Image matrix |
void |
SetMatrix(double[] origin,
double[][] normals)
To set Image matrix |
void |
SetMatrix(double[] origin,
double[] t,
double[] s,
double[] n)
To set Image matrix |
void |
SetOrigin(double[] origin)
To set Image origin |
void |
SetOrigin(double px,
double py,
double pz)
To set Image origin |
void |
SetTransformData(byte[] transform_data)
To extract image caracteristics from transform_data byte array |
byte[] |
SetTransformData(double[] origin,
double[][] normals)
To create transform_data from image carateristics and to get the byte array to send |
boolean |
UnpackBody()
To create body from body array |
| Methods inherited from class org.medcare.igtl.messages.OpenIGTMessage |
|---|
getBody, getBytes, getDeviceName, getHeader, Unpack |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static int IGTL_TRANSFORM_SIZE
| Constructor Detail |
|---|
public TransformMessage(java.lang.String deviceName)
deviceName
- Device Namepublic TransformMessage(Header header, byte[] body) throws java.lang.Exception
header
- body
-
java.lang.Exception
| Method Detail |
|---|
public boolean UnpackBody()
UnpackBody
in class OpenIGTMessage
public byte[] PackBody()
PackBody
in class OpenIGTMessage
public byte[] SetTransformData(double[] origin, double[][] normals)
origin
- normals
-
public void SetTransformData(byte[] transform_data)
transform_data
- public byte[] GetTransformData()
public void SetOrigin(double[] origin)
origin
- public void SetOrigin(double px, double py, double pz)
px
- py
- pz
- public double[] GetOrigin()
public double[][] GetNormals()
public void SetMatrix(double[] origin, double[] t, double[] s, double[] n)
origin
- arrayt
- arrays
- arrayn
- arraypublic void SetMatrix(double[] origin, double[][] normals)
origin
- arraynormals
- matrixpublic void SetMatrix(double[][] matrix)
matrix
- public double[][] GetMatrix()
|
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A Google Drive-based wiki platform
Hi! This is a demo of the tiny, feature-poor, not-really-finished wiki interface I built over Google Drive. Google's extremely strict security policies require me to put this intro page here to explain what this is and why I'm asking for the OAuth permissions I'm asking for, so here goes.
This website is a DEMO. It is not meant to be used full-time by you to be your wiki. This is because signing into Google and using the wiki actually gives me read access to all your google drive files, which is not what you should be doing. Granted, 100% of that access remains on your browser, but in principle, you shouldn't be giving anyone that level of access who's not making your life way better in some concrete way.
That said, for the demo to work, you have to give me access to your files, and I promise that this page never calls back to my server or any other server to initiate connections there. All Google Drive access happens between your browser and Google servers only. If you're interested, you can also read the privacy policy and terms of service that Google forced me to write in order to keep this app online.
If you're still interested in demoing the app, click here.
This app is designed to be self-hosted (specifically to avoid all the permissions mess mentioned above). To do so, follow these steps:
With that, you should be able to get it up and running.


| r_session {callr} | R Documentation |
A permanent R session that runs in the background. This is an R6 class that extends the processx::process class.
The process is started at the creation of the object, and then it can be used to evaluate R function calls, one at a time.
processx::process
-> r_session
status
Status codes returned by read()
.
new()
creates a new R background process. It can wait for the process to
start up (wait = TRUE
), or return immediately, i.e. before
the process is actually ready to run. In the latter case you may call
the poll_process()
method to make sure it is ready.
r_session$new(options = r_session_options(), wait = TRUE, wait_timeout = 3000)
options
A list of options created via r_session_options()
.
wait
Whether to wait for the R process to start and be ready for running commands.
wait_timeout
Timeout for waiting for the R process to start, in milliseconds.
An r_session
object.
run()
Similar to r()
, but runs the function in a permanent background
R session. It throws an error if the function call generated an
error in the child process.
r_session$run(func, args = list(), package = FALSE)
func
Function object to call in the background R process.
Please read the notes for the similar argument of r()
.
args
Arguments to pass to the function. Must be a list.
package
Whether to keep the environment of func
when passing
it to the other package. Possible values are:
FALSE
: reset the environment to .GlobalEnv
. This is the default.
TRUE
: keep the environment as is.
pkg
: set the environment to the pkg
package namespace.
The return value of the R expression.
run_with_output()
Similar to $run()
, but returns the standard output and error of
the child process as well. It does not throw on errors, but
returns a non-NULL
error
member in the result list.
r_session$run_with_output(func, args = list(), package = FALSE)
func
Function object to call in the background R process.
Please read the notes for the similar argument of r()
.
args
Arguments to pass to the function. Must be a list.
package
Whether to keep the environment of func
when passing
it to the other package. Possible values are:
FALSE
: reset the environment to .GlobalEnv
. This is the default.
TRUE
: keep the environment as is.
pkg
: set the environment to the pkg
package namespace.
A list with the following entries.
result
: The value returned by func
. On error this is NULL
.
stdout
: The standard output of the process while evaluating
stderr
: The standard error of the process while evaluating
the func
call.
error
: On error it contains an error object, that contains the
error thrown in the subprocess. Otherwise it is NULL
.
code
, message
: These fields are used by call internally and
you can ignore them.
call()
Starts running a function in the background R session, and
returns immediately. To check if the function is done, call the
poll_process()
method.
r_session$call(func, args = list(), package = FALSE)
func
Function object to call in the background R process.
Please read the notes for the similar argument of r()
.
args
Arguments to pass to the function. Must be a list.
package
Whether to keep the environment of func
when passing
it to the other package. Possible values are:
FALSE
: reset the environment to .GlobalEnv
. This is the default.
TRUE
: keep the environment as is.
pkg
: set the environment to the pkg
package namespace.
poll_process()
Poll the R session with a timeout. If the session has finished the
computation, it returns with "ready"
. If the timeout
is reached, it returns with "timeout"
.
r_session$poll_process(timeout)
timeout
Timeout period in milliseconds.
Character string "ready"
or "timeout"
.
get_state()
Return the state of the R session.
r_session$get_state()
Possible values:
"starting"
: starting up,
"idle"
: ready to compute,
"busy"
: computing right now,
"finished"
: the R process has finished.
get_running_time()
Returns the elapsed time since the R process has started, and the
elapsed time since the current computation has started. The latter
is NA
if there is no active computation.
r_session$get_running_time()
Named vector of POSIXct
objects. The names are "total"
and "current"
.
read()
Reads an event from the child process, if there is one available. Events might signal that the function call has finished, or they can be progress report events.
This is a low level function that you only need to use if you want to process events (messages) from the R session manually.
r_session$read()
NULL
if no events are available. Otherwise a named list,
which is also a callr_session_result
object. The list always has
a code
entry which is the type of the event. See also
r_session$public_fields$status
for symbolic names of the
event types.
200
: (DONE
) The computation is done, and the event includes
the result, in the same form as for the run()
method.
201
: (STARTED
) An R session that was in 'starting' state is
ready to go.
202
: (ATTACH_DONE
) Used by the attach()
method.
301
: (MSG
) A message from the subprocess. The message is a
condition object with class callr_message
. (It typically has
other classes, e.g. cli_message
for output from the cli
package.)
500
: (EXITED
) The R session finished cleanly. This means
that the evaluated expression quit R.
501
: (CRASHED
) The R session crashed or was killed.
502
: (CLOSED
) The R session closed its end of the connection
that callr uses for communication.
close()
Terminate the current computation and the R process.
The session object will be in "finished"
state after this.
r_session$close(grace = 1000)
grace
Grace period in milliseconds, to wait for the subprocess to exit cleanly, after its standard input is closed. If the process is still running after this period, it will be killed.
traceback()
The traceback()
method can be used after an error in the R
subprocess. It is equivalent to the base::traceback()
call, in
the subprocess.
r_session$traceback()
The same output as from base::traceback()
debug()
Interactive debugger to inspect the dumped frames in the subprocess, after an error. See more at r_session_debug.
r_session$debug()
attach()
Experimental function that provides a REPL (Read-Eval-Print-Loop) to the subprocess.
r_session$attach()
finalize()
Finalizer that is called when garbage collecting an r_session
object, to clean up temporary files.
r_session$finalize()
print()
Print method for an r_session
.
r_session$print(...)
...
Arguments are not used currently.
clone()
The objects of this class are cloneable with this method.
r_session$clone(deep = FALSE)
deep
Whether to make a deep clone.


{% extends "section_docs.html" %} {% block title %}Licensing Guide{% endblock %} {% block content %}
The goal of SoftwareCollections.org is to promote packaging and distribution of useful open-source software outside the standard repositories for Red Hat Enterprise Linux, Fedora, CentOS, and other operating systems that utilize the RPM package format.
As a part of this mission, we provide hosting and distribution for Software Collections (SCLs) developed by the community. We do not review source or packages for suitability of purpose, quality, or licensing – but we reserve the right to refuse or delete any packages or source code that does not comply with our policies.
We want to be as inclusive as possible, but we do have some limitations on what we can accept to be hosted on the site:
The Fedora Project has done an excellent job of developing a list of FOSS licenses that are acceptable for distribution, and a list of FOSS and Creative Commons licenses that are non-free, deprecated, or have usage or distribution restrictions that make them unsuitable.
We have decided to follow the Fedora Project and use its Fedora Software License list for acceptable and unacceptable licenses. Software that has a license approved by Fedora should be acceptable for hosting on SoftwareCollections.org, assuming it has no further problems (see "Patent Encumbered Software" and "Malware, Spyware, or Abusive Software").
Fedora also has a specific list of excluded software – anything on this list would also be excluded from SoftwareCollections.org, but it is not exhaustive.
If your package is covered by a license on the "bad" list or a license that is not covered at all, it can't be accepted for hosting on SoftwareCollections.org. You may still create an SCL for your software following our guides on the site, but you'll have to build and host it elsewhere.
Software that's known to be encumbered by software patents cannot be included on SoftwareCollections.org. The rationale for this is also well covered by Fedora.
Finally, we may opt to refuse any package that falls under the categories of malware, spyware, or abusive software. This includes, but is not limited to, software that "phones home" without the user's knowledge, software that includes any sort of a backdoor or trojan, or any software that is in any way abusive.
If you have any questions or concerns about any of the SCLs hosted here, or about a package you'd like to include, send a note to<EMAIL_ADDRESS>(more info at https://www.redhat.com/mailman/listinfo/sclorg). You can also ask on StackOverflow using the software-collections tag.
Ask on StackOverflow {% endblock %}


RowSelector
RowSelector represents the control that can perform row selection operation, as shown in FileExplorer
sample:
Features
- Command handlers for row selection operations.
Usage
Put the RowSelector inside a RowView, it will be wired up and work automatically.
You can add RowSelector via composite row binding, as demonstrated in FileExplorer
sample:
...
<StackPanel Orientation="Horizontal">
<dz:RowExpander Name="_rowExpander" VerticalAlignment="Center" />
<dz:RowSelector>
<StackPanel Orientation="Horizontal">
<Image Name="_icon" Width="20" Height="20" Stretch="Fill" />
<TextBlock Name="_textBlock" Margin="5,0" />
</StackPanel>
</dz:RowSelector>
</StackPanel>
...
You can also use RowSelector in control template of RowView, for example, the RowView.Styles.Selectable style.
Implemented Commands
| Command | Input | Implementation |
|---|---|---|
| MoveUp | Up Key | Moves current row up. |
| MoveDown | Down Key | Moves current row down. |
| MoveLeft | Left Key | Moves current row left. |
| MoveRight | Right Key | Moves current row right. |
| MoveToPageUp | PageUp Key | Moves current row to one page up. |
| MoveToPageDown | PageDown Key | Moves current row to one page down. |
| MoveToHome | Home Key | Moves current row to the first row. |
| MoveToEnd | End Key | Moves current row to the last row. |
| SelectExtendedUp | SHIFT-Up Key | Selects multiple consecutive rows up. |
| SelectExtendedDown | SHIFT-Down Key | Selects multiple consecutive rows down. |
| SelectExtendedLeft | SHIFT-Left Key | Selects multiple consecutive rows left. |
| SelectExtendedRight | SHIFT-Right Key | Selects multiple consecutive rows right. |
| SelectExtendedPageUp | SHIFT-PageUp Key | Selects multiple consecutive rows to one page up. |
| SelectExtendedPageDown | SHIFT-PageDown Key | Selects multiple consecutive rows to one page down. |
| SelectExtendedHome | SHIFT-Home Key | Selects multiple consecutive rows to the first row. |
| SelectExtendedEnd | SHIFT-End Key | Selects multiple consecutive rows to the last row. |
| ToggleSelection | SPACE Key | Toggles the selection mode of current row. |
Customizable Services
- RowSelector.ICommandService: Your data presenter can implement this service to change the commands implementation of this class.


[1]
We thought this location Nice location okay value for vacationer.
[2]
We thought this hotel a short hike to museums short walk away.


| Package | org.flixel |
| Class | public class FlxBlock |
| Inheritance | FlxBlock FlxCore |
| Property | Defined by | ||
|---|---|---|---|
| _flicker : Boolean
Internal helper used for retro-style flickering.
| FlxCore | ||
| _flickerTimer : Number
Internal helper used for retro-style flickering.
| FlxCore | ||
| _p : Point
Helper variable used during rendering.
| FlxBlock | ||
| _pixels : BitmapData
Stores the tile strip from which the tiles are loaded.
| FlxBlock | ||
| _rects : Array
Array of rectangles used to quickly blit the tiles to the screen.
| FlxBlock | ||
| _tileSize : uint
The size of the tiles (e.g.
| FlxBlock |
| Method | Defined by | ||
|---|---|---|---|
|
FlxBlock(X:int, Y:int, Width:uint, Height:uint)
Creates a new
FlxBlock object with the specified position and size. | FlxBlock | ||
|
Collides a
FlxCore against this object. | FlxCore | ||
|
collideArray(Cores:Array):void
Collides an array of
FlxCore objects against the tilemap. | FlxCore | ||
|
collideArrayX(Cores:Array):void
Collides an array of
FlxCore objects against the tilemap against the X axis only. | FlxCore | ||
|
collideArrayY(Cores:Array):void
Collides an array of
FlxCore objects against the tilemap against the Y axis only. | FlxCore | ||
|
Collides a
FlxCore against this object on the X axis ONLY. | FlxCore | ||
|
Collides a
FlxCore against this object on the Y axis ONLY. | FlxCore | ||
|
destroy():void
Called by
FlxLayer when states are changed (if it belongs to a layer)
| FlxCore | ||
|
flicker(Duration:Number = 1):void
Tells this object to flicker, retro-style.
| FlxCore | ||
|
flickering():Boolean
Check to see if the object is still flickering.
| FlxCore | ||
|
getScreenXY(P:Point = null):Point
Call this function to figure out the on-screen position of the object.
| FlxCore | ||
|
hitCeiling(Contact:FlxCore = null):Boolean
Called when this object collides with the bottom of another
FlxCore . | FlxCore | ||
|
Called when this object collides with the top of another
FlxCore . | FlxCore | ||
|
Called when this object collides with another
FlxCore on one of its sides. | FlxCore | ||
|
kill():void
Call this function to "kill" a sprite so that it no longer 'exists'.
| FlxCore | ||
|
loadGraphic(TileGraphic:Class, Empties:uint = 0):void
Fills the block with a randomly arranged selection of graphics from the image provided.
| FlxBlock | ||
|
onScreen():Boolean
Check and see if this object is currently on screen.
| FlxCore | ||
|
Checks to see if some
FlxCore object overlaps this FlxCore object. | FlxCore | ||
|
overlapsPoint(X:Number, Y:Number, PerPixel:Boolean = false):Boolean
Checks to see if a point in 2D space overlaps this
FlxCore object. | FlxCore | ||
|
render():void
Draws this block.
| FlxBlock | ||
|
reset(X:Number, Y:Number):void
Handy function for reviving game objects.
| FlxCore | ||
|
update():void
Just updates the flickering.
| FlxCore |
| _p | property |
protected var _p:Point
Helper variable used during rendering.
| _pixels | property |
protected var _pixels:BitmapData
Stores the tile strip from which the tiles are loaded.
| _rects | property |
protected var _rects:Array
Array of rectangles used to quickly blit the tiles to the screen.
| _tileSize | property |
protected var _tileSize:uint
The size of the tiles (e.g. 8 means 8x8).
| FlxBlock | () | constructor |
public function FlxBlock(X:int, Y:int, Width:uint, Height:uint)
Creates a new FlxBlock
object with the specified position and size.
X:int — The X position of the block.
|
|
Y:int — The Y position of the block.
|
|
Width:uint — The width of the block.
|
|
Height:uint — The height of the block.
|
| loadGraphic | () | method |
public function loadGraphic(TileGraphic:Class, Empties:uint = 0):void
Fills the block with a randomly arranged selection of graphics from the image provided.
ParametersTileGraphic:Class — The graphic class that contains the tiles that should fill this block.
|
|
Empties:uint (default = 0 ) — The number of "empty" tiles to add to the auto-fill algorithm (e.g. 8 tiles + 4 empties = 1/3 of block will be open holes).
|
| render | () | method |
public override function render():void
Draws this block.


Grilled Chicken and Avocado Street Tacos
Some good street tacos. If you don’t want to double up on the tortillas you’ll only need about 12.
 Rub marinade over chicken.Transfer to refrigerator and allow to marinate at least 1 hour and up to 6 hours.Preheat a grill over medium-high heat (it should come to 425 - 450 degrees).Remove chicken from marinade.Season lightly with salt and grill until chicken has cooked through (thickest center should register from 165), turning once halfway through grilling, about 4 - 5 minutes per side.Transfer to a plate, cover with foil and let rest 5 minutes.


2018 Peak Performance Track Club Membership Form
Date:________________Athlete's Name:_______________________________ Boy □ Girl □
Date of Birth:_______/_________/________ Athlete's Email Address:___________________________
Month Day Year
If this is your athlete's first year running please provide copy of birth certificate with this application.
Address:____________________________________City:_________________Zip:__________________
School:________________________________________Grade: (2017-2018)_______________________
Parent/Guardian #1’s Name _____________________________________________________________
Home Phone: (_____)_________-__________ Cell Phone: (_____)_________-__________
Parent Email Address:________________________________________________________________
Parent/Guardian #2’s Name ____________________________________________________________
Home Phone: (_____)_________-__________ Cell Phone: (_____)_________-__________
Parent Email Address:________________________________________________________________


Mrs. Mariam. Abacha (Dr.) 345 ABACHA STREET ABUJA FAX/TEL:<PHONE_NUMBER>0 Dear Friend, URGENT AND CONFIDENTIAL I am Mrs. Mariam. Abacha, the widow of Sani Abacha the Late Nigerian Head of State. I am presently in distress and under house arrest while my son Mohammed is undergoing trial in Lagos and Abuja though he has just been recently granted bail under the condition that my family refunds to the Federal Government some amount of money. The government has frozen all the family account and auctioned all our properties. Refer to this website about my husband's loot and you will understand what I mean http://news.bbc.co.uk/1/hi/world/africa/1935646.stm To save the family from total bankruptcy I have managed to ship through an undercover courier company,the sum of US24, 000,000.00. kept by my late husband. Themoney was disguised to beat the Nigerian Security and it is currently deposited in a security company which I will disclose the name and contacts to you if I get a positive response from you. I want you to receive the money and pay it into your account for the family safely. I am offering you 30% for assisting me secure this money Contact me immediately with my email address so that I can forward to you all necessary details. Endeavour to send your phone and fax numbers for easy Communications. This project is not risky. my private email address<EMAIL_ADDRESS>Sincerely Yours, Mrs. Mariam. Abacha (Dr.) ___________________________________________________ GO.com Mail Get Your Free, Private E-mail at http://mail.go.com


Biography
Sicke Whitre
It isn't often that peaple use the expression, “That guy is a huge chode.” But consider what is merely a few raindrops in most people's lives a river – nay, an ocean – in the life of Bonerville's own Schmidt McHercules.
 From the age of 1, the Bonerville native has been wasting precious oxygen simply by staying alive. Many residents of the county have commented on this over the years.
Ferbingersburg's own Fanny O'Heartfailure has said, “In my day we didn't have people like Schmidt.
Though thirty miles away, many residents of Grundle City have remarked similarly. Pat Mysack was interviewed on the scene just a few days ago, “I have never seen such a buttless ding-dong.
Lest we forget, Bonerville has its share of Schmidt-haters – namely, every resident of Bonerville. We had the chance to talk with the mayor of Bonerville himself, Mr. Throb Binghardon, who had this to say: “Schmidt McHurcules is the kind of guy I'd like to give a mushroom stamp.”
Rick Beefjeep, 27, of Garfield was totally normal until he watched The Holy Mountain by Alejandro Jodorowsky. He didn’t die but he’s weird now.
As you can see, when talking about the menace McHercules, people commonly use words like 'inept,' 'valueless,' and 'unproductive.'
But these people fail to recognize that behind his general incompetence lies more than we might perceive at first glance.


Pique to Ramos: "That's the way the fixture list is"
by BeSoccerThe Barcelona player Gerard Pique on 'El Partidazo de COPE', did not hesitate in replying to Sergio Ramos' complaint about having less rest before the Clasico than Barca.
"They'll have more for the following game. There are always complaints. That's the way the fixture list is." That was Pique's response on radio programme "El Partidazo de COPE' to Ramos' comments prior to Spain's match with Malta.
The Real Madrid captain said in the press conference in Cadiz that "the only team affected by the kick-off time is Real Madrid" and that "there is still time to change it."
Pique, who was clear in his comments, insisted on the issue: "The match should have taken place on the scheduled date. If it had been the other way around, Barca would have complained. Players are used to played every two or three days. Everything is magnified when it comes to Barca and Real Madrid."
Featured links
- Ballon d'Or winner already been decided
- The latest football transfers news and rumours
- Possible 'Clasico' in the Spanish Supercup final
- Who has the most free-kicks goals: Messi or Cristiano?
"We did not propose the postponement of the fixture. This started with Tebas who proposed playing it in Madrid and that is how we have ended up at 18th December. We are not complaining," the Barca central defender added.
The Barca number 3 then decided to move on from the controversy over having 29 hours more rest than Real prior to the Clasico at the Camp Nou.


about total management ?
Total Management is a free ,tableless, W3C-compliant web design layout by Template World. This template has been tested and proven compatible with all major browser environments and operating systems. You are free to modify the design to suit your tastes in any way you like.
We only ask you not to repomove "Design by Template World" and the link http://www.templateworld.com from the footer of the template. If you are intrested in seeing more of our free web tempalte designs feel free to visit our website, Template World. We intend to add at least 25 new free templates in the coming month.


Web Launch Checklist is a free to use checklist that provides the best tips to enhancing a website before launch. The website is available offline, pdf, and docx formats so that you can modify it for personal use. I also wanted it to be easy to suggest changes so I open-sourced the code on GitHub and wrote a contribution guide. I created the website because the most passed around web checklist was almost half a decade old and filled with misinformation.
I chose a three column layout because I did not want users to have to scroll for so long and get overwhelmed by all the information. Having the ability to go from one section to the other just by moving your eyes contributes to a less exhausting experience for the user which when dealing with varying skill levels is highly important. Important to creating this website was providing multiple formats so that users could tailor the checklist to their company or individual needs. I am committed to updating the site monthly with mine and others suggestions so that people can bookmark it and use it whenever.
I chose Rubik as the heading font for my titles because it fit with my overall design style while being readable and neutral. The font for the extra information within each checklist item is a system font stack which chooses your default font no matter the platform. The system font stack makes users feel comfortable with a font they see all the time and makes no network requests. I plan to use the system font stack more often in the future as performance and usability become even more important.
The colors for this website are really what excited me to complete the project. I wanted desperately to branch out from the monochromatic color schemes of some of my past works and explore how different colors work together. The animations also have a “jelly” characteristic that works with the colors to give off a unique feel that I believe works with this sort of single-page website.


A Life of Meditation
Home
Visit our apparel store
Open web app
Medium blog
Meditation for wherever you are.
We help you practice meditation based on advanced geolocation technology.
We believe a healthy mind leads to a healthy life.
Your browser does not support the video tag.
Cherish the moments of silence.


{% if sch.adm_pct == 100.0 %} {{ sch.INSTNM}} has an open admission policy. {% else %} {{ sch.adm_pct }}% of applicants get into {{sch.INSTNM}}. {% if SAT_PRESENT == 1 or ACT_PRESENT == 1 %} Please refer to the Admissions Overview panel for the available median SAT and/or ACT scores for {{sch.INSTNM}}. {% endif %} {% endif %}


Read more about the Quepid story. Contact us to talk about Quepid or ask how we can help with your search problems!


Frequently Asked QuestionsGeneral
What are the main benefits of the JGoodies Forms?
Working With Layout
How to give columns a percentage of the available space?
Understanding FormLayout
What does the 'fill' alignment do?
What are the main benefits of the JGoodies Forms?The JGoodies Forms aims to make the layout process faster, better and easier. It has been designed to make simple things easy and the hard stuff possible, good design easy and the bad difficult. Important features are:
Can I use the Forms in a commercial product?You can use, copy and redistribute the JGoodies Forms in source and binary form - even for commercial use - if you comply with the very relaxed terms of the BSD open source license. The BSD license has been chosen, because it allows many uses, and the few license terms are short and human readable, even if you're not a lawyer. How to get started?First, open and read the README.html and check the available documentation: the RELEASE-NOTES, Tutorial, Reference, API Docs (JavaDocs), Tips & Tricks, and Pointers to Visual Builders and other online resources. Then study the Advanced Layout presentation or the JGoodies Forms Whitepaper; both are available at the JGoodies articles page. The Forms tutorial is an important part of this distribution. It demonstrates different ways to use the Forms library, and some typical pitfalls. The tutorial sources ship in folder src/tutorial. It is strongly recommended to download and run the JGoodies Forms Demo. This demo contains many Forms tutorial examples and will aquaint you with the library features. Where do I get the latest version?The latest version is available at the JGoodies library download section. There you can get the library, sources, tutorial, documentation, the Forms whitepaper, and the Forms Demo. Where do I get older versions?Archived versions are available in the JGoodies Archive. The Forms version 1.0.2 supports Java 1.3. Where do I get support?Support is available only in the user mailing list<EMAIL_ADDRESS>Before you post, check this FAQ, the relevant JavaDocs, and the accompanying tutorial sources. You can find and track the progress of Forms issues in the issue tracker. As a project observer you can log defects, request features and suggest enhancements. The user mailing list helps us reduce the costs for managing this freeware project. In the mailing list all project users can jump in to assist you, if you face a problem with the library or API. And other users can benefit from your questions and our answers. Personal mail to JGoodies.com bypasses the other project developers, and it often leads to unnecessary extra work; it slows down the development process, and it costs time and money on our side. If you have downloaded the library at no charge, I ask you to register with the user mailing list before you post, and post only with the registered account. Otherwise your messages won't show up automatically, and I need to manually accept every message. Priority support is available for licensees of the commercial JGoodies Smart Client. These can contact us by phone or direct questions to support at JGoodies dot com. If you have general questions about Swing, layout and design, please post to the Java Desktop forums at www.java.net. That's a great place to share information with the Java desktop community. And we frequently check this forum and participate in discussions. How to report a problem?Before you report a problem, check this FAQ, the relevant JavaDocs, and the accompanying tutorial sources. If you think you've found a bug in the JGoodies Forms, please check the issue tracker or ask in the user mailing list, if this issue is already known. If you report a bug, please provide at least the following information: JRE vendor, JRE version, JRE build, OS, OS version, Forms version, and whether the problem can be reproduced with the JGoodies Forms Demo or not. For example: Sun Java 1.6.0_01, Windows XP, Forms 1.1.0, can be reproduced with the JGoodies Forms Demo. Please point us to the Forms Demo, if it shows a problem. If you cannot reproduce the problem with the Forms Demo, please describe the steps to produce the problem. Often a screenshot makes it easier to understand a problem, or a request for an enhancement. How can I help?You can send feedback and suggestions regarding the Forms API, builder classes and all related issues to the users mailing list. And you can report bugs and enter feature requests in the issue tracker. If you are a professional user and satisfied with the JGoodies Forms, you may help me finance my Java desktop activities by licensing the commercial JGoodies Smart Client. Which layout managers complement the FormLayout?ExplicitLayout complements the FormLayout when it comes to non-rectangular layouts, for example if you want to position components along a curve. The Explicit Table Builder adds a few things that the pure ExplicitLayout is missing such as builders, layout styles, support for Dialog Units (dlu), and a nice debug panel. The Matisse visual builder (integrated with Netbeans) makes it easy for many people to get layouts done quickly. It seems that Matisse has been designed for visual building, but the underlying GroupLayout can be used without Matisse. The highly extensible SpringLayout can implement a huge class of layouts, but it is quite difficult to understand. You may consider using it in the rare case where neither FormLayout nor ExplicitLayout do a good job, or if you want to implement a non-grid-based layout with a layout manager that ships with the JDK. Although the FormLayout is intended to replace the GridBagLayout, the latter is still a resonable choice, if you cannot add a third party layout manager like the FormLayout to your project. The Packer simplifies the use of GridBagLayout. Are there visual builders that support the FormLayout?There are a couple of visual builders that support the JGoodies FormLayout and/or the whole Forms framework including the factories and non-visual builders. Among others: Abeille Forms Designer, IDEA GUI Designer, JAXFront, JBeaver, JFormDesigner, Jigloo, Form Layout Maker, JFormComposer, Mogwai FormMaker, and the WindowBuilder Pro. See the visual builders section in the Forms README.html. Can I use the FormLayout with the SWT?Florian Fankhauser has ported the FormLayout and parts of the Forms builders to the SWT, see SwtForms. How to give columns a percentage of the available space?If all components have an initial size of 0 pixel, then the resize weight can be used as percentage of the available space. For example "0:g(0.25), 0:g(0.75)" gives the first column 25% of the available space and the second column 75%. More generally, the resize weights distribute the available extra space of the growing columns/rows. The extra space is container space - insets - fixed space. How to assign the same width to two or more columns?You can either use the same constant size for all columns, or you can group the columns using FormLayout#setColumnGroups(int[][]). The latter mechanism gives columns in a group the same width after their normal width has been computed. The distribution of extra space is the last step; it happens after the group elements have been equalized. To make columns equal wide, ensure that they have the same growing weight assigned (the default is 1.0). How can I append a custom row using the DefaultFormBuilder?You can append a custom row using DefaultFormBuilder#appendRow(RowSpec). However, you may consider using a combination of standard rows to achieve a more regular layout grid and regular layout row heights and row alignments. The Forms tutorial contains the DefaultFormWithCustomRowsExample class that demonstrates three approaches for appending a custom row. These differ in the position of the leading label, the alignment of font baselines and the height of the custom row. How to assign the same width to two or more columns?You can append a custom area using DefaultFormBuilder#appendRow(RowSpec). However, you may consider using a standard row to better align the leading label. Another alternative is to separate the custom area with a titled separator. The Forms tutorial contains the DefaultFormWithCustomAreasExample that demonstrates three approaches for appending a custom area at the bottom of a form. These differ in the position of the leading label, the alignment of font baselines and the way the area is separated from the rest. How can I identify and understand layout problems?Forms ships with two classes that help you debug layouts: FormDebugPanel paints the layout grid and helps you understand how you have specified the layout grid and positioned the components in the grid. Class FormDebugUtils dumps detailed information about the grid, groups, component cell positions, component cell constraints, component positions, and container size. The Forms tutorial contains the FormDebugExample that demonstrates how to use these two classes. How can I remove a component from the layout?You don't remove a component from layout but from the layout container. The container holds a list of layout components. Often the container is a JPanel or a JPanel subclass. To remove a component from the container invoke Container#remove. You can remove all components using Container#removeAll. What does the 'fill' alignment do?The horizontal and vertical fill alignments let a component consume all the space in its display area, where the display area is the set of cells a component spans. For example a horizontal fill positions the component's left-hand side at the left side of the display area and the component's right-hand side at the right-hand side of the display area. When is it recommended to use the 'pref' size instead of 'default'?First off, 'pref' and 'default' differ only if a panel can be resized. As long as there's enough space in the container to give all components their desired preferred sizes, the 'default' size is equal to the 'pref' size. This is the case for all packed panels. If the panel is then shrinked, the 'pref' size would cut off some components, where the 'default' size shrinks them down until the minimum size is reached. To make a layout easier to understand favor 'pref' over 'default' if 'default' adds no value, for example if the panel cannot be resized. Otherwise a rule of thumb is to favor 'default' over 'pref' for columns and 'pref' over 'default' for rows. Why don't components in growing rows fill the vertical space?Forms has been designed to reduce the layout code for frequently used layouts. I've found that the bulk of form-oriented panels requires components to be filled horizontally and centered vertically. These settings are the defaults for the column and row alignments. If you want a component fill the vertical space, you can configure the row or the component's cell constraints. If you want all components in a row fill the space, use a fill alignment: fill:<size>:<growing>. If you want a component fill the space, use an extended cell constraint specification: cc.xy(3, 1, "fill, fill") where the second fill is responsible for filling the vertical space. See also class VerticalGrowthExample in the Forms tutorial sources. Why don't components that span multiple columns affect the column widths?Components that span multipe columns/rows are excluded from the computation of the column widths and row heights respectively. I couldn't find an appropriate algorithm how to expand the columns/rows if a large component spans them; either the algorithm leads to good layout but is difficult to understand, or it's easy to understand but leads to poor layout. If a component must expand the columns or rows it must be in a single column. If necessary, you can move the columns/rows it spans to a sublayout. If you want such components affect the spanned columns/rows, specify that they shall grow. See also the next question. Why do components that span multiple columns affect the container width?Unlike the column expansion mentioned in the previous question, it is quite easy to let components that span multipe columns/rows grow the container width or height respectively. This way it is guaranteed that such components are fully contained if you pack the container. Why do some text areas grow but never shrink again?In some configurations the JTextArea shows an unexpected sizing behavior. It then computes its minimum and preferred sizes based on the size previously set by the layout manager or application code. Find below information what happens, which configurations are affected, and how to setup the text area and layout properly. Some of the combinations mentioned below are demonstrated in the pitfalls section of the Forms tutorial, see class GrowingTextAreaExample. An example of such an ever-growing area is a JTextArea with line wrap enabled, put into a growing FormLayout column ('fill:pref:grow') of a resizable panel. If the panel is layed out the layout manager computes the position and size for each component. Every component has then a size set. Lets say the area has an initial size of (100, 32). Now if you make the panel wider, the growing column will assign a large width to the area, let's say (150, 32). Since then the column won't shrink below 150 pixel. Why? The area's preferred size is now (150, 32), more generally in this configuration the area's minimum and preferred sizes is the size set previously. Since the preferred width is 150, the FormLayout will use a minimum of 150 for the area's column - still allowing it to grow. If you make the panel even wider, the FormLayout will set an even larger size to the text area, let's say (200, 32). The area's column then won't shrink below 200, because the area's preferred width now increased to 200. To handle this situation you can a) change the layout specification, b) change the JTextArea configuration, or c) use a different JTextArea preferred size computation. A) A simple way to avoid this resize problem is to use a constant column or row size, for example '150dlu' or for growing columns/rows 'fill:150dlu:grow', where 150dlu is the initial size that can grow. Since the dialog units are based on the dialog font this is an appropriate sizing unit and layout specification. It works with all JTextArea configurations, regardless whether the area is wrapped by a JScrollPane or not. B) Some JTextArea configurations do not compute the minimum and preferred size based on the size set previously. For example if you have hand-wrapped text (using '\n') and disable the line wrap feature, the minimum and preferred sizes are constant. You can put such areas in columns and row specified with 'pref'. Another alternative is to give the text area a custom minimum size and specify the column or row as 'default' or 'fill:default:grow'. Since the 'default' size can shrink a column/row down to its minimum width/height, this approach avoids the ever-growing case too. However, the minimum size must be specified in pixel and typically in screen design you should favor non-pixel sizes. C) If you put a JTextArea in a JScrollPane the preferred size used for the scrollable view can be based on the area's #columns and #rows properties. For example if you use area.setColumns(40) the scrollpane will have a width of about 40 characters. Another approach is to implement a JTextArea subclass or a custom TextAreaUI to compute the preferred size independent of the area's size. Why doesn't this happen with the BorderLayout? Layout managers have two tasks: they must layout components in a container and must compute the container's minimum, preferred and maximum size. BorderLayout honors the content's preferred size when computing the container's preferred size. But it ignores the component's preferred size when it lays out the container. If you put a JTextArea in a BorderLayout center, the whole container has the same preferred size as the text area. If you shrink the container, the BorderLayout ignores the text area's preferred size and it ignores even its minimum size. Hence it will shrink down the container even below the area's minimum size. |


Methods
Classes and Modules
Module ActiveRecord::TestFixtures::ClassMethodsPublic Class methods
[ show source ]
# File vendor/rails/activerecord/lib/active_record/fixtures.rb, line 809 809: def self.included(base) 810: base.class_eval do 811: setup :setup_fixtures 812: teardown :teardown_fixtures 813: 814: superclass_delegating_accessor :fixture_path 815: superclass_delegating_accessor :fixture_table_names 816: superclass_delegating_accessor :fixture_class_names 817: superclass_delegating_accessor :use_transactional_fixtures 818: superclass_delegating_accessor :use_instantiated_fixtures # true, false, or :no_instances 819: superclass_delegating_accessor :pre_loaded_fixtures 820: 821: self.fixture_table_names = [] 822: self.use_transactional_fixtures = false 823: self.use_instantiated_fixtures = true 824: self.pre_loaded_fixtures = false 825: 826: self.fixture_class_names = {} 827: end 828: 829: base.extend ClassMethods 830: end
Public Instance methods
[ show source ]
# File vendor/rails/activerecord/lib/active_record/fixtures.rb, line 906 906: def run_in_transaction? 907: use_transactional_fixtures && 908: !self.class.uses_transaction?(method_name) 909: end
[ show source ]
# File vendor/rails/activerecord/lib/active_record/fixtures.rb, line 911 911: def setup_fixtures 912: return unless defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank? 913: 914: if pre_loaded_fixtures && !use_transactional_fixtures 915: raise RuntimeError, 'pre_loaded_fixtures requires use_transactional_fixtures' 916: end 917: 918: @fixture_cache = {} 919: @@already_loaded_fixtures ||= {} 920: 921: # Load fixtures once and begin transaction. 922: if run_in_transaction? 923: if @@already_loaded_fixtures[self.class] 924: @loaded_fixtures = @@already_loaded_fixtures[self.class] 925: else 926: load_fixtures 927: @@already_loaded_fixtures[self.class] = @loaded_fixtures 928: end 929: ActiveRecord::Base.connection.increment_open_transactions 930: ActiveRecord::Base.connection.transaction_joinable = false 931: ActiveRecord::Base.connection.begin_db_transaction 932: # Load fixtures for every test. 933: else 934: Fixtures.reset_cache 935: @@already_loaded_fixtures[self.class] = nil 936: load_fixtures 937: end 938: 939: # Instantiate fixtures for every test if requested. 940: instantiate_fixtures if use_instantiated_fixtures 941: end
[ show source ]
# File vendor/rails/activerecord/lib/active_record/fixtures.rb, line 943 943: def teardown_fixtures 944: return unless defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank? 945: 946: unless run_in_transaction? 947: Fixtures.reset_cache 948: end 949: 950: # Rollback changes if a transaction is active. 951: if run_in_transaction? && ActiveRecord::Base.connection.open_transactions != 0 952: ActiveRecord::Base.connection.rollback_db_transaction 953: ActiveRecord::Base.connection.decrement_open_transactions 954: end 955: ActiveRecord::Base.clear_active_connections! 956: end


Send
messages.
WebSocketChannel actor helps unit test verification for Snake and Apple unit tests.
tell
or !
method.
Every Actor class must inherit akka.actor.Actor
trait and implement receive method where message handling happens.
class SnakePool(webSocketChannel: ActorRef) extends Actor {
...
def receive = {
...
}
}
Creating Actors
context.actorOf(Snake.props(apple, snakeName, webSocketChannel), snakeName)
Method actorOf
accepts Akka.props
but parameters to actor's constructor can be passed easily by defining a helper function in actor's companion object:
object SnakePool {
def props(webSocketChannel: ActorRef): Props = Props(new SnakePool(webSocketChannel))
}
Then actor creation looks like this:
object SnakeController extends Controller {
...
def startGame = {
...
val webSocketChannel = Akka.system.actorOf(WebSocketChannel.props(channel))
val snakePool = Akka.system.actorOf(SnakePool.props(webSocketChannel))
...
}
Stopping Actors
There are several ways to stop an actor.
In the example application asynchronous stop is used by sending PoisonPill
message.
The following line of code show how snake dies when eats its tale
self ! PoisonPill
Terminated
child messages
after register snakes with DeathWatch
.
case NewSnake(snakeName) => {
val snake = context.actorOf(Snake.props(apple, snakeName, webSocketChannel), snakeName)
snake ! Start
snakes += (snakeName -> snake)
context.watch(snake)
}
case t: Terminated => self ! PoisonPill
The postStop
hook is invoked after an actor is fully stopped. This enables cleaning up of resources. In the example application
SnakePool
has reference to all snakes in the pool and upon game over, pool is removed and it cleans all snakes corresponding to this pool.
class SnakePool(webSocketChannel: ActorRef) extends Actor {
var snakes = Map.empty[String, ActorRef]
...
override def postStop() {
snakes.map(snakeByName => snakeByName._2 ! Kill)
}
...
}
SupervisionSupervision describes a dependency relationship between actors: the supervisor delegates tasks to subordinates and therefore must respond to their failures.
Here you can find information about supervision. The following code will stop all snakes
in case snake throws unhandled exception.
class SnakePool(webSocketChannel: ActorRef) extends Actor {
override val supervisorStrategy = AllForOneStrategy() {
case anyException => Stop //if something happens to one snake, kill them all
}
The AllForOneStrategy
is applicable in cases where the ensemble of children has such tight dependencies among them, that a failure of one child affects the function of the others.
Fetch an ActoractorSelection
is used to fetch already created snake pool by name. Its argument is actor path
Akka.system.actorSelection("/user/" + snakePoolName)
snakePool ! NewSnake(snakeName)
More information on actors
snake.js
function startGame(row, col) {
for ( i = 1; i <= row*col; i++) {
off(i)
}
websocket = new WebSocket(wsUri + "startgame");
websocket.onopen = function (evt) {
onOpen(evt, snake_name)
};
websocket.onclose = function (evt) {
onClose(evt, snake_name)
};
websocket.onmessage = function (evt) {
onMessage(evt, snake_name)
};
}
object SnakeController extends Controller {
...
def startGame = WebSocket.using[String] { request =>
val (out, channel) = Concurrent.broadcast[String]
val webSocketChannel = Akka.system.actorOf(WebSocketChannel.props(channel))
val snakePool = Akka.system.actorOf(SnakePool.props(webSocketChannel))
val in = Iteratee.foreach[String] { msg => if (msg == "GET POOL") channel.push("POOL:" + snakePool.path.name); }
(in, out)
}
}
In order to have startGame
function exposed you need to change routes file accordingly
GET /startgame snakeyard.SnakeController.startGame
Send and receive messages
Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send()
method, and receive data from server to browser by an onmessage
event handler.
In the example application when socket is open, browser send get pool command and pool name is returned. Pool is keept for future requests, for example to add or move a snake in the pool.
snake.js
function onOpen(evt, snake_name) {
writeToScreen("CONNECTED");
websocket.send("GET POOL");
enableSnakesButton();
}
Receive a message from client
In relation to the snippet above, when get pool request is sent, pool name is returned
val in = Iteratee.foreach[String] { msg => if (msg == "GET POOL") channel.push("POOL:" + snakePool.path.name); }
Send message from serverWebSocketChannel
keeps a reference to web socket and sends information when Send
message is triggered
class WebSocketChannel(channel: Concurrent.Channel[String]) extends Actor {
def receive = {
case Send(data) => channel.push(data)
}
}
Receive a message from serveronMessage
is triggered. In the example application onMessage
changes background colour of related cells accordingly.
function onMessage(evt, snake_name) {
if (evt.data.lastIndexOf("POOL:", 0) === 0) { snake_pool = evt.data.replace("POOL:","");}
else if (evt.data.lastIndexOf("APPLE:", 0) === 0) { apple(evt.data.replace("APPLE:",""));}
else if (evt.data == "Game Over") {
writeToScreen("GAME OVER");
disableSnakesButton();
}
else if (evt.data > 0) on(evt.data);
else off(Math.abs(evt.data));
}
TestProbe
.
class SnakeTest extends TestKit(ActorSystem("SnakeTest"))
with FunSpec {
describe("Snake Actor Test") {
it("given new snake when started starts to the right, from thee first cell on the first line") {
val apple = TestProbe()
val channel = TestProbe()
val snakeName = "testSnake1"
val snake = system.actorOf(Snake.props(apple.ref, snakeName, channel.ref), snakeName)
//when
snake ! Start
//then
apple.expectMsg(Eat(1))
apple.expectMsg(Eat(2))
}
...
}
Using multiple test probes, you can verify conversation content and order of multiple actors.
The second example uses mockito mock object and test probe. It shows you how you can inject mocked behaviour in an actor. In order to control what numbers
are random in the test, random instance is passed to Apple actor. In a test environment instead of real instance it can be mocked.
class AppleTest extends TestKit(ActorSystem("AppleTest"))
with FunSpec
with Mockito {
describe("Apple Test") {
...
it("When Eat coordinate != apple, then StayHungry") {
val client = TestProbe()
val channel = TestProbe()
val appleName = "testApple3"
val random = mock[Random]
random.nextInt(SnakePoolConfig.row * SnakePoolConfig.col - 1) returns 123
val apple = system.actorOf(Apple.props(random, channel.ref), appleName)
//when
apple ! NewApple
client.send(apple, Eat(135))
//then
client.expectMsg(StayHungry)
}
}
}
You can find more information on testing actors here


DSS
1.0
Type
:: ( Name | =
"DSS"
)
1.0
CRLs
:: Array
1.0
Certs
:: Array
1.0
OCSPs
:: Array
1.0
VRI
:: Dictionary
VRI


{% extends 'base.html'%} {%import 'macros.html' as macro%} {% block content %}
no profile picture
Name: {{user.firstname}} {{user.lastname}}
No of piches: {{pitches_count}}
Date joined: {{date}}


Laravel 5.5 JQuery Ajax Example
{{ Form::open() }}
Your Provinces
=== Select Provinces ===
@foreach ($provinces as $key => $value)
{{ $value->name }}
@endforeach
Your Regencies
=== Select Regencies ===
Your Districts
=== Select Districts ===
Your Villages
=== Select Villages ===
{{ Form::close() }}


Sets keyboard focus to popup.
focus()
Description
This is internal function that is called when popup needs to get focus from keyboard. Because the content behind popup is locked, there should be no need to call
this function manually.
To set keyboard focus to the popup:


dos exe file structure
| offset size description 00 word "mz" - link file .exe signature (mark zbikowski?) 02 word length of image mod 512 04 word size of file in 512 byte pages 06 word number of relocation items following header 08 word size of header in 16 byte paragraphs, used to locate the beginning of the load module 0a word min # of paragraphs needed to run program 0c word max # of paragraphs the program would like 0e word offset in load module of stack segment (in paras) 10 word initial sp value to be loaded 12 word negative checksum of pgm used while by exec loads pgm 14 word program entry point, (initial ip value) 16 word offset in load module of the code segment (in paras) 18 word offset in .exe file of first relocation item 1a word overlay number (0 for root program) - relocation table and the program load module follow the header - relocation entries are 32 bit values representing the offset into the load module needing patched - once the relocatable item is found, the cs register is added to the value found at the calculated offset registers at load time of the exe file are as follows: ax: contains number of characters in command tail, or 0 bx:cx 32 bit value indicating the load module memory size dx zero ss:sp set to stack segment if defined else, ss = cs and sp=ffffh or top of memory. ds set to segment address of exe header es set to segment address of exe header cs:ip far address of program entry point, (label on "end" statement of program) |


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The main Python implementation is written in the C language and is called CPython. It is the one that the majority of people refer to when they talk about Python. When the language evolves, the C implementation is changed accordingly. Besides C, Python is available in a few other implementations that are trying to keep up with the mainstream. Most of them are a few milestones behind CPython, but provide a great opportunity to use and promote the language in a specific environment.
There are plenty of alternative Python implementations available. The Python Wiki page on that topic (https://wiki.python.org/moin/PythonImplementations) features more than 20 different language variants, dialects, or implementations of Python interpreter built with something else than C. Some of them implement only a subset of the core language syntax, features, and built-in extensions but there is at least a few that are almost fully compatible with CPython. The most important thing to know is that while some of them are just toy projects or experiments, most of them were created to solve some real problems – problems that were either impossible to solve with CPython or required too much of the developer's effort. Examples of such problems are:
This section provides a short description of subjectively most popular and up-to-date choices that are currently available for Python programmers.
Stackless Python advertises itself as an enhanced version of Python. Stackless is named so because it avoids depending on the C call stack for its own stack. It is in fact a modified CPython code that also adds some new features that were missing from core Python implementation at the time Stackless was created. The most important of them are microthreads managed by the interpreter as a cheap and lightweight alternative to ordinary threads that must depend on system kernel context switching and tasks scheduling.
The latest available versions are 2.7.9 and 3.3.5 that implement 2.7 and 3.3 versions of Python respectively.
All the additional features provided by Stackless are exposed as a framework within this distribution
through the built-in stackless
module.
Stackless isn't the most popular alternative implementation of Python, but it is worth knowing because ideas
introduced in it have had a strong impact on the language community. The core switching functionality was
extracted from Stackless and published as an independent package named greenlet
,
which is now a basis for many useful libraries and frameworks. Also, most of its features were
re-implemented in PyPy—another Python implementation that will be featured later. Refer to http://stackless.readthedocs.org/.
Jython is a Java implementation of the language. It compiles the code into Java byte code, and allows the developers to seamlessly use Java classes within their Python modules. Jython allows people to use Python as the top-level scripting language on complex application systems, for example, J2EE. It also brings Java applications into the Python world. Making Apache Jackrabbit (which is a document repository API based on JCR; see http://jackrabbit.apache.org) available in a Python program is a good example of what Jython allows.
The latest available version of Jython is Jython 2.7, and this corresponds to 2.7 version of the language. It is advertised as implementing nearly all of the core Python standard library and uses the same regression test suite. The version of Jython 3.x is under development.
The main differences of Jython as compared to CPython implementation are:
The main weakness of this implementation of the language is the lack of support for C Python Extension APIs, so no Python extensions written in C will work with Jython. This might change in the future because there are plans to support the C Python Extension API in Jython 3.x.
Some Python web frameworks such as Pylons were known to be boosting Jython development to make it available in the Java world. Refer to http://www.jython.org.
IronPython brings Python into the .NET Framework. The project is supported by Microsoft, where IronPython's lead developers work. It is quite an important implementation for the promotion of a language. Besides Java, the .NET community is one of the biggest developer communities out there. It is also worth noting that Microsoft provides a set of free development tools that turn Visual Studio into full-fledged Python IDE. This is distributed as Visual Studio plugins named PVTS (Python Tools for Visual Studio) and is available as open source code on GitHub (http://microsoft.github.io/PTVS).
The latest stable release is 2.7.5 and it is compatible with Python 2.7. Similar to Jython, there is some development around Python 3.x implementation, but there is no stable release available yet. Despite the fact that .NET runs primarily on Microsoft Windows, it is possible to run IronPython also on Mac OS X and Linux. This is thanks to Mono, a cross platform, open source .NET implementation.
Main differences or advantages of IronPython as compared to CPython are as follows:
When speaking about weaknesses, IronPython, again, seems very similar to Jython because it does not support the C Python Extension APIs. This is important for developers who would like to use packages such as numpy that are largely based on C extensions. There is a project called ironclad (refer to https://github.com/IronLanguages/ironclad) that aims to allow using such extensions seamlessly with IronPython, albeit its last known supported release is 2.6 and development seems to have stopped at this point. Refer to http://ironpython.net/.
PyPy is probably the most exciting implementation, as its goal is to rewrite Python into Python. In PyPy, the Python interpreter is itself written in Python. We have a C code layer carrying out the nuts-and-bolts work for the CPython implementation of Python. However, in the PyPy implementation, this C code layer is rewritten in pure Python.
This means you can change the interpreter's behavior during execution time and implement code patterns that couldn't be easily done in CPython.
PyPy currently aims to be fully compatible with Python 2.7, while PyPy3 is compatible with Python 3.2.5 version.
In the past, PyPy was interesting mostly for theoretical reasons, and it interested those who enjoyed going deep into the details of the language. It was not generally used in production, but this has changed through the years. Nowadays, many benchmarks show that surprisingly PyPy is often way faster than the CPython implementation. This project has its own benchmarking site that tracks the performance of each version measured using tens of different benchmarks (refer to http://speed.pypy.org/). It clearly shows that PyPy with JIT enabled is at least a few times faster than CPython. This and other features of PyPy makes more and more developers decide to switch to PyPy in their production environments.
The main differences of PyPy as compared to the CPython implementation are:
Like almost every other alternative Python implementation, PyPy lacks the full official support of C Python Extension API. Still it, at least, provides some sort of support for C extensions through its CPyExt subsystem, although it is poorly documented and still not feature complete. Also, there is an ongoing effort within the community in porting NumPy to PyPy because it is the most requested feature. Refer to http://pypy.org.


"Osmosis Jones"
Frank (Bill Murray) is not what you'd call a health nut. His idea of haute cuisine is to smear a boiled egg with mayonnaise and load it with salt. When, after dropping said egg on the ground at the zoo where he works and, against his daughter Shane's (Elena Franklin) advice, he eats it, he doesn't realize the trouble he is in? He ingests a deadly virus and it's up to the denizens within Frank's body, led by a cocky white blood cell, to save him from himself in "Osmosis Jones."
Peter and Bobby Ferrule enter a brave new world when they take us into the less-than-healthy body known to its inhabitants as the City of Frank. Osmosis Jones (Chris Rock), an anti-body with an attitude, is a member of the Frank PD and is always getting into trouble with his boss, the Chief, for his renegade moves. When the deadly virus named Thorax (Laurence Fishburne) invades Frank's body, only Osmosis sees that their host is in great peril. That is, until he is joined by Drib (David Hide Pierce), a twelve-hour time-release cold pill with germ-fighting power. It's up to this unlikely duo to search out the evil Thorax and eliminate him.
Watching "Osmosis Jones," I kept having a feeling of familiarity with the concept. What came to mind most strongly, at first, was the 1966 sci-fi flick "Fantastic Voyage." That F/X extravaganza took us inside the human body for the first time to show us what makes it tick. But, it didn't attempt to bring anthropomorphic life to the inner workings of the body. Then, it struck me - Woody Allen had just such a vignette in his ambitious 1972 comedy "Everything You Always Wanted to Know About Sex (but Were Afraid to Ask)" where the inhabitants of a man's body work together to help him get laid. It was an amusing short that used actors (such as Burt Reynolds and Tony Randall) to give human faces to the various internal parts of the body.
 They combine the live-action story about Frank, a widower that, when his wife died, lost nearly everything - his job, his life and, very nearly, his mind. He gave up caring about himself, eats junk food and doesn't exercise, much to the chagrin and concern of his daughter, Shane. When he invokes the "ten second rule" (if you drop something on the ground for less than ten second, it's edible) at the zoo he now works at, he unknowingly introduce the Red Death, Thrax, into his body. The killer virus, which has a string of victims under his belt, vows to finish the City of Frank off in less than 48 hours.
Thrax sets up shop with his henchmen in the festering in-grown toenail on Frank's foot and mercilessly plots to set a fever ablaze within their host and add Frank to his growing list of casualties. No one in the city, save Osmosis Jones, recognize the peril the city is in. With only the help of Drix and a sexy little red blood cell, Leah (Brandy Norwood), to depend on, Osmosis begins his own fantastic voyage as he hunts down the deadly virus to put a stop to his mayhem.
Utilizing the talents of Hollywood's top animators and CGI artists, the Farrellys have created a unique city within the man.  It helps that Bill Murray is willing to get down, dirty and disgusting as the bedraggled Frank who wants to do the right thing for his daughter but is mired so deeply in his grief, he doesn't care what damage he inflicts on himself. The makers flash back and forth between Frank's self-abuse and the citizens of the city trying to cope with his bad habits.
The vocal talents that give life to the inhabitants of Frank are focused on Rock, the always-amusing Hyde Pierce, TV's "Moesha" star Brandy and, as the incumbent, corrupt mayor of the City of Frank, William Shatner. None, however, with the exception of Drix, do much in the way of creating memorable animated characters. The same goes for the limited live-action cast. Murray, as always, is one funny guy and gives "disgusting" new meaning. Wasted are Molly Shannon as Shane's teacher, Mrs. Boyd, and Chris Elliot as Frank's sidekick and coworker, Bob. Young Elena Franklin is fine as Frank's loving, caring daughter.
Animation is first rate, with a variety of settings in the human body. The lymph nodes are the headquarters for the ever-vigilant Frank PD where Osmosis is routinely told by his boss, the Chief, to "get out of my office!" in typical cop show fashion. The stomach is the terminus for all incoming nourishment while the cardiovascular system reps the highways that the citizens of Frank use to get around. It is all very clever and entertaining to watch, but like other aspects of the film, is not particularly memorable.
The gross-out equation that permeates much of the film is obviously geared to entertain the youngsters that "Osmosis Jones" is out to attract, and there is plenty to gross them (and you) out. The Farrellys, with Marc Hyman's original script, do inject some clever humor and visual cues that are made to entertain the adults who will, inevitably, attend the film with the kids. It's an ambitious animation effort, but lacks that certain charm to make it remarkable work. I give it a C+.
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#Multi-dim Array
int[ , ] arrayName = new int[10,10];
#Jagged arrays
{C#}
int[][] jaggedArray = new int[10][];
jaggedArray[0] = new Type[5]; // Can specify different sizes.
jaggedArray[1] = new Type[7];
//...
jaggedArray[9] = new Type[21];
enum Day : short { Sunday = 1, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday };
Day.Sunday
Watch out for the access modifiers:
{C#}
public struct Coffee
{
// This is the custom constructor.
public Coffee(int strength, string bean, string countryOfOrigin)
{
this.Strength = strength;
this.Bean = bean;
this.CountryOfOrigin = countryOfOrigin;
}
// These statements declare the struct fields and set the default values.
public int Strength;
public string Bean;
public string CountryOfOrigin;
// Other methods, fields, properties, and events.
}
Properties and Indexers are worthwhile investigating into.
public partial class DrinksMachine {
public void MakeCappuccino() { // Method logic goes here. } }
public partial class DrinksMachine {
public void MakeEspresso() { // Method logic goes here. } }
When working with automatically generated source. Visual Studio uses this approach when your application uses Windows Forms, Web service wrapper code, etc. Microsoft recommends that you do not modify the auto-generated code for these components as it could be overwritten when the application is compiled or the project files changed. Instead, you can create another portion of the class, as a partial class with the same name, and make your additions and edits there.
// Instantiating a Class by Using Type Inference var dm = new DrinksMachine();
#Abstract Class An abstract method cannot exist in non-abstract class An abstract method is not permitted to have any implementation, including curly braces An abstract method signature must end in a semi-colon An abstract method MUST be implemented in any sub class. Failure to do so will generate a compiler warning in C#.
To implement multiple interfaces, you add a comma-separated list of the interfaces that you want to implement to your class declaration. Your class must implement every member of every interface you add to your class declaration. The following example shows how to create a class that implements multiple interfaces:
// Declaring a Class that Implements Multiple Interfaces public class Coffee: IBeverage, IInventoryItem { }
Unmanaged objects are those that are not .NET components such as a Microsoft Word object, a database connection, or a file resource.


Class: HTTY::Payload
- Inherits:
-
Object
- Object
- HTTY::Payload
- Defined in:
- lib/htty/payload.rb
Overview
Encapsulates the headers and body of an HTTP(S) request or response.
Instance Attribute Summary (collapse)
-
- (Object) body
readonly
Returns the body of the payload.
Instance Method Summary (collapse)
-
- (Object) ==(other_payload)
(also: #eql?)
Returns true if other_payload is equivalent to the payload.
-
- (Object) headers
Returns an array of the headers belonging to the payload.
-
- (Payload) initialize(attributes = {})
constructor
protected
Initializes a new HTTY::Payload with attribute values specified in the attributes hash.
Constructor Details
- (Payload) initialize(attributes = {}) (protected)
Initializes a new HTTY::Payload with attribute values specified in the attributes hash.
Valid attributes keys include:
- :body
- :headers
32 33 34 35 36 37 38 |
# File 'lib/htty/payload.rb', line 32 def initialize(attributes={}) @body = attributes[:body] @headers = HTTY::OrderedHash.new Array(attributes[:headers]).each do |name, value| @headers[name] = value end end |
Instance Attribute Details
- (Object) body (readonly)
Returns the body of the payload.
9 10 11 |
# File 'lib/htty/payload.rb', line 9 def body @body end |
Instance Method Details
- (Object) ==(other_payload) Also known as: eql?
Returns true if other_payload is equivalent to the payload.
12 13 14 15 |
# File 'lib/htty/payload.rb', line 12 def ==(other_payload) return false unless other_payload.kind_of?(HTTY::Payload) (other_payload.body == body) && (other_payload.headers == headers) end |
- (Object) headers
Returns an array of the headers belonging to the payload.
19 20 21 |
# File 'lib/htty/payload.rb', line 19 def headers @headers.to_a end |


{% extends "base.html" %} {% block styles%} {{ super() }} {% endblock%} {% block content %}
Posted by {{pitch.user.username}}
Date: {{pitch.date}} at {{pitch.time}}
"{{pitch.content}}"
CATEGORY: {{pitch.category | upper}}


Features
Multiple level toolbars can be provided using
ariaLevel
attribute. Defaults to 1.
Examples
Toolbar with logo, navigation and buttons
App Name
Toolbar with embedded inline input
Second level toolbar with title in the middle
Level 2 Toolbar Title