|
SensESP
0.1
Universal Signal K sensor framework for ESP8266 and ESP32
|
SensESP is a Signal K sensor development library for ESP8266 and ESP32. It can be used as a high-level toolkit for creating ESP sensor devices that interface with Signal K servers. At the moment it is very much a work in progress.
SensESP is heavily inspired by SigkSens and prior work done by @mxtommy.
SensESP is a library and will be installed automatically as a dependency when defined as such in the project's platformio.ini
file.
You need to have PlatformIO installed. First, download and install Visual Studio Code. Then, select "Extensions" from the left toolbar (see image XX). Search for "platformio", select the first result, and press "Install".
Once you have PlatformIO installed, its home screen should open automatically when you start VSCode. On the PIO Home, select "New Project". Enter a name and then select "WeMos D1 mini" in the board dropdown. The Arduino framework should become automatically selected. Complete the new project dialog and open the project you created.
Once you have your new project open, open the platformio.ini
file. Add the SensESP dependency:
The above definition will work only once the library registration is completed. Until then, use the following:
Then, open src/main.cpp
. The default template is for Arduino IDE and the SensESP main file will look a bit different. Replace the main.cpp
contents with one of the SensESP examples in the examples
subdirectory. Check that the settings match your hardware and select "Build" from the PlatformIO submenu (the little alien face) from the left toolbar. If the build succeeds, you can plug in your Wemos board and press "Upload and Monitor".
Assuming the project uploading was successful, you will have a sensor running the sample code. To configure it, connect your computer or phone wifi to the "Unconfigured Sensor" network. A captive portal should pop up. Enter your wifi credentials to allow the device to access the network. Also enter a suitable name, for example sensesp
for the device.
Once on the network, your new SensESP device should automatically find your Signal K server, assuming it has mDNS enabled. If your server has security enabled, you should get an access request for the device. Approve it, preferably with a long or infinite duration, and you should start getting data on the instrument panel.
TODO!
In the examples below, sensesp
is used as the device name.
SensESP implements a RESTful configuration API. A list of possible configuration keys can be retrieved from:
http://sensesp.local/config
An individual key configuration can be retrieved under the config path:
http://sensesp.local/config/system/networking
Configuration can be updated with HTTP PUT requests:
curl -X PUT \ http://sensesp.local/config/system/networking \ -H 'Content-Type: application/json' \ -d '{ "hostname": "myesp" }'


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This tutorial has been created with Excel 2002 and J501. Expect different behavior with other versions!
It will help to have the Excel help file readily available.
Introduction
The purpose of COM Automation is to allow a client program to run functions in a server program, and the basic idea is pretty straightforward - simply load J from Excel, then send it the required J functions for execution. In practice is it helpful to create Excel macros that provide cover functions for the basic tasks such as loading J, reading cells for transmission to J and so on. Thus you typically program with a mixture of J functions and Excel macros.
In Excel, you can enter these method names in upper or lowercase. When you enter names in Excel, it gives them its default capitalization. Here we use lowercase throughout.
Most of the time when things go wrong, you can simply shut down J and Excel and start again.
Sometimes when you edit Excel macros, Excel closes down J - it closes the COM Automation object which may in turn cause J to close. You will then need to re-open the J COM Automation object. If J has closed and you try to run an COM command, the error message is "Object variable not Set". This problem occurs only while you are developing Excel macros, and should not occur when your application is in use.
One of the "user-friendly" features of Excel is to change your entry in a cell if it thinks it may be incorrect. For example, "i.5" gets changed into "I.5". To get around this, enter more letters, then backspace and delete the extra entries, for example, instead of "i.5' try entering "ii.5".
Tutorial
Start by unloading all applications, then loading Excel. Open a new workbook if none is shown.
Bring up Visual Basic (Alt-F11 or Tools|Macro|Visual Basic Editor), and insert a new module sheet (Insert|Module).
With the module sheet visible, select menu item Tools|References and check J DLL Serve and click OK.
In the module sheet, enter:
Public js As Object
Sub jopen() Set js = CreateObject("jdllserver") js.Quit js.Do "BINPATH_z_=:1!:46''" js.Do "ARGV_z_=:,<'oleclient'" js.Do "(3 : '0!:0 y')<BINPATH,'\profile.ijs'" End Sub
The function jopen will be used to load the JDLLServer. Note that you can only run this once - you will get an error at this point if you try to open the server twice.
The first statement declares the name js that will be used for the JDLLServer.
js.Quit ensures that when Excel is closed, the J server will automatically terminate.
To load J, enter: jopen
Sending commands to J
The required function is do, which takes a J sentence as its argument. Note that Excel strings are delimited by the double quote, so that J quotes can be entered as is, and need not be doubled. Try:
js.do "i.4 5"
Retrieving values from J
The function get retrieves a value from J, as a Variant datatype. Variants cannot be displayed directly in the Immediate window, but can be assigned to a worksheet range. For example:
Set value of x in J:
js.do "x=: i.4 5"
Retrieve value of x into Excel variant y:
js.get "x",y
Set value of y into the worksheet:
Worksheets("sheet1").Range("a1:e4")=y
Now switch to Sheet1 to see that the value of y has been written in.
Utilities
Now lets take a look at the J OLE utilities in file system\examples\ole\excel\jsutil.txt. Copy and paste the contents of this file into your Excel module.
The utilities available are:
jdopen | open JDLLServer |
jcmd (string) | execute J command, return result as variant |
jcmdc string,r,c,h,w | execute J command, store result in active sheet at row,col,height,width |
jcmdr string,range | execute J command, store result in active sheet at range |
jdo string | execute J command |
jget(x) | get J noun x |
jloadprofile | load standard J profile |
You can customize these or add your own utilities.
jcmd
In Excel, switch to Sheet1 and in cell B3 enter:
=jcmd("+/2 3 5 7")
The statement should be executed in J, and the result (17) displayed in Excel.
Try:
In cell B5 enter: 12
In cell B6 enter: 15
In cell B7 enter: =jcmd(B5 & "*" & B6)
B7 displays the result (180). Note that if you now change B5 or B6, then B7 will be recalculated.
In general, jcmd can be used for calculations which return a single value to be displayed in the current cell. The right argument is the sentence to be sent to J.
This method is really only suitable for simple calculations. Typically, you will want to run calculations that return a range of results to Excel and you set up such calculations by invoking an Excel macro explicitly, for example, by selecting Tools|Macro|Macros|Run or pressing an assigned hot-key.
jcmdc, jcmdr
These utilities execute a J expression, displaying the result in a range in the active sheet. Function jcmdc specifies the range as 4 numbers: topleft row, column, number of rows, number of columns. Function jcmdr specifies the range in the traditional alphanumeric notation, for example: C6:E10.
We will create a macro run to test these and subsequent expressions. Switch to the module and enter:
Sub run()
jcmdc "?3 4$10", 2, 3, 3, 4
End Sub
Next, return to the worksheet, select Tools|Macro|Macros, highlight run and click Options. Enter Ctrl-r as the shortcut key and click OK. If J has been closed down, then either reload the spreadsheet or re-run auto_open to load it again. Close the Macro dialog, switch to Sheet1 and press Ctrl-r. The macro should run and display the result. Press Ctrl-r again to re-run the macro.
jsetc, jsetr
These utilities set values in J, from a range in the active sheet. As with jcmdc and jcmdr above, jsetc specifies the range as 4 numbers and function jsetr specifies the range in the traditional notation. Switch to the module and edit run to:
Sub run()
jsetr "Y", "D3:F4"
End Sub
Switch to Sheet1 and as before use Tools|Macro to select Ctrl-r as a shortcut key for the macro. In the worksheet, press Ctrl-r. Then click on the J session and display Y (these are random numbers so the exact values will likely differ):
Y +-+-+-+ |4|8|8| +-+-+-+ |7|3|1| +-+-+-+Change run to:
Sub run()
jsetc "Y", 2, 3, 3, 4
jcmdc "+/\>Y", 7, 3, 3, 4
End Sub
Switch to Sheet1, use Tools|Macro to select Ctrl-r as the shortcut key, then in the worksheet, press Ctrl-r. The macro will read the numbers in the upper range and display the sum scan in the lower range. Now if you change one of the numbers in the upper range, for example E2, press Ctrl-r to update the lower range.


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Reba McEntire 'always ready' for a 'Reba' reboot: 'I think we'd all love it'
by Nate DayReboots are all the rage on television these days, and country star Reba McEntire is ready to jump on board.
The aptly titled "Reba" aired from 2001-2007 and starred the singer as a single mother of three. The role earned McEntire, now 64, a Golden Globe nomination.
BEVERLEY MITCHELL TALKS ABOUT NEW CHRISTMAS MOVIE, POSSIBLE '7TH HEAVEN' REBOOT
"We're always ready for a reunion," McEntire told "Entertainment Tonight" at the CMA Awards on Wednesday night. "We would love that. (All it takes is) somebody saying yes. The powers that be. I think we'd all love it -- JoAnna Garcia, Chris Rich, Melissa Peterman, Steve Howey, myself, I think we'd love it."
Even though it's been 12 years since they all worked together on "Reba," the cast members still seem close as ever, with Peterman, who played Barbra Jan, recently posting a video on Instagram of her and McEntire hanging out.
REBA MCENTIRE CHANGES 3 TIMES DURING ONE CMA PERFORMANCE
In the video, Peterman, 48, mouthed the words as McEntire sang "Escape (The Pina Colada Song)" on a beach, serenading Peterman's tropical drink.
"I love Pina Colada's and getting caught in the rain ... or something like that ..." the video was captioned.
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"I don't know the words to this song," McEntire admitted, laughing with her friends.


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All papers will be peer reviewed, single-blinded. We welcome many kinds of papers, such as (and not limited to):
- Novel research papers
- Demo papers
- Work-in-progress papers
- Visionary papers (white papers)
- Appraisal papers of existing methods and tools (e.g., lessons learned)
- Relevant work that has been previously published
Authors should indicate in their abstracts the kind of submissions that the paper belongs to, to help reviewers better understand their contributions. Submissions must be in PDF, written in English, not longer than 16 pages (including references and supplemental material), and formatted according to the standard Springer LNCS style. Shorter papers (including extended abstracts) are also welcome.
Accepted papers will be presented as a poster in the poster session and a few will be selected to also give an oral presentation. The papers will be posted on the workshop website (unless the authors opt out), but will not be published in a formal proceeding.
For accepted papers, at least one author must register for the conference and attend the workshop to present the work.
Please submit via EasyChair.
Important Dates
- Submission:
June 14, 2019June 20, 2019 (GMT) - Notification: July 12, 2019
- Camera-ready: July 26, 2019
- Workshop date: September 16, 2019
Contact
- E-mail: gem.ecmlpkdd@gmail.com


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While originally meant to run for ninety days, the Opportunity rover has been exploring Mars and sending data to NASA for over a decade.


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Hi welcome to Ecotransfer
Transfer all kinds of file betewn all your devices and help the enviorment at the same time
Upload from anywhere and access not matter where you are its simple
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All the money thats it profit of the platform is dedicate to this ONG that are center in cleaning the world of plastic ♻
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The Ocean Cleanup develops advanced technologies to rid the world’s oceans of plastic. A full-scale deployment of our systems is estimated to clean up 50% of the Great Pacific Garbage Patch every five years.
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Our main goal is to reduce the global impact of marine litter. By mobilising fisheries, recyclers, manufacturers and policy makers, WFO aims to reduce, reuse and ultimately recycle marine litter, mitigating the impact on both the environment and natural resources.
How we count the kgs?
We put the kilograms of plastic by a relation of money donate and the impact of that donation


Who What Why How
Like me you recently wanted to start blogging and stumbled onto Jekyll, set up you blog (or just have the default blog post) and now you need to serve this bad boy up to show the world. Then your dreams came to a screeching halt when Heroku dropped this wisdom on you:
remote: ! Failed to generate site with jekyll.
remote: !
remote: ! Push rejected, failed to compile Ruby app.
remote: !
remote: ! Push failed
Jekyll has great documentation for deploying to GitHub pages but not so much for everywhere else. No need to fear we can slay this beast without much hassle.
Into Jekyll to save your Hyde.
Before we get started make sure you have a current version of ruby installed and bundler installed. If not take a couple of minutes and get both of those set up. For this to work you need both of these set up.
Gemfile
First in the main directory lets make a file called Gemfile
. This file will be used by bundler to install all of the necessary ruby gems. Add all of this to the file.
```
source ‘https://rubygems.org’
ruby ‘2.2.3’
gem ‘rack-contrib’ gem ‘puma’ gem ‘kramdown’ gem ‘rouge’ gem ‘jekyll’ ```
Once you have this in your terminal type bundle install
. Calling this will go and the latest versions of the gems and install them to be used for your jekyll app. This will also make a Gemfile.lock
. DO NOT ALTER THIS FILE. This connects all of the third party gems with your app and makes them one. It has the specific details on which versions you bundles with your app.
Procfile
Next up we will create a Procfile
which is used by Heroku to serve up your site.
web: bundle exec puma -t 5:5 -p ${PORT:-3000} -e ${RACK_ENV:-development}
You will notice we called puma in there and in the gem file. Puma
will actually be serving up your static pages and is a very popular gem used to serve files on rack server environments like Heroku. Don’t worry about the other variables these are standard for hosting on Heroku. (Here is Heroku’s documentation for Puma because you shouldn’t trust strangers on the internet.)
config.ru
Now that we have puma
integrated with our app and have a Procfile
to tell Heroku what to do we need to tell puma
a little more about what to serve up and how to serve up our files. If you looked at Heroku’s documentation linked a little bit ago you would have seen the next file you need is config.ru
. Add this file to your main directory and lets dive into this one.
require 'rack'
require 'rack/contrib/try_static'
# enable compression
use Rack::Deflater
# static configuration (file path matches request path)
use Rack::TryStatic,
:root => "_site", # static files root dir
:urls => %w[/], # match all requests
:try => ['.html', 'index.html', '/index.html'], # try these postfixes sequentially
:gzip => true, # enable compressed files
:header_rules => [
[:all, {'Cache-Control' => 'public, max-age=86400'}],
[['css', 'js'], {'Cache-Control' => 'public, max-age=604800'}]
]
# otherwise 404 NotFound
notFoundPage = File.open('_site/index.html').read
run lambda { |_| [200, {'Content-Type' => 'text/html'}, [notFoundPage]]}
This is a lot to absorb all at once so lets break this up a little bit.
First we require two rack components and use Rack::Deflater
. Rack::Deflater
is used to compress your app so that you can server it up quickly and saving storage space on the server.
Next we get into the deep stuff. We call Rack::TryStatic
to host our static pages and have a lot of parameters.
:root
Set the folder that has all of our static pages.:urls
Matches the requests coming to your site.:try
This will try all the listed values in order until it gets the right one.:gzip
Used byRack::Deflater
to compress the app.:header_rules
Manage our cache and tellpuma
how long to hold out compressed files before they have to be regenerated by the server.
The last bit of code is what happens when there is an incorrect url entered a.k.a 404 NotFound.
Push!
If you made it this far pat yourself on the back you are almost all set! If your git is not set up git init
, git add .
, git commit -m "Just Heroku blog stuff"
. If you skipped bundling your gems earlier do it now bundle install
. If you have a .gitignore
make sure that your _pages
folder is not on it! Github Pages has you ignore the file but we are actually serving the static pages.
The time has come to get this running on heroku. heroku create
in your terminal then git push heroku master
. Take a second to appreciate the really cool url Heroku gave you (or lame url) and then heroku open
. There it is! Your new blog!


The DZI (Deep Zoom Image) format is an xml specification maintained by Microsoft and described here.
OpenSeadragon has added supports for DZI format via AJAX ( XML/JSON ), JSONP, and as inline configuration ( using the json format ). The DZI specification does not officially describe a JSON format however the examples below illustrate how DZI xml is mapped to json following some simple conventions.
The DZI Format is implied by a tile source specified as a string and which has the .dzi extension. OpenSeadragon sniffs for whether the DZI is formatted as XML or JSON.
Below is a sample DZI file formatted as XML.
<?xml version="1.0" encoding="UTF-8"?> <Image xmlns="http://schemas.microsoft.com/deepzoom/2008" Format="jpg" Overlap="2" TileSize="256" > <Size Height="9221" Width="7026"/> </Image>
And the equivalent sample DZI file formatted as JSON.
{ "Image": { "xmlns": "http://schemas.microsoft.com/deepzoom/2008", "Format": "jpg", "Overlap": "2", "TileSize": "256", "Size": { "Height": "9221", "Width": "7026" } } }
Configuration is done via the 'tileSources' option ( or programatically ).
OpenSeadragon({ ... tileSources: "/openseadragon/examples/images/highsmith/highsmith.dzi", ... });
The DZI JSONP Format is implied by a tile source specified as a string and which has the .js extension. The remainder of the file name is expected to match the jsonp callback the example below illustrates
Below is a sample DZI file formatted as JSONP.
highsmith({ "Image": { "xmlns": "http://schemas.microsoft.com/deepzoom/2008", "Format": "jpg", "Overlap": "2", "TileSize": "256", "Size": { "Height": "9221", "Width": "7026" } } });
Configuration is done via the 'tileSources' option ( or programatically ).
OpenSeadragon({ ... tileSources: "/openseadragon/examples/images/highsmith/highsmith.js", ... });
Inline configuration is convenient as well because it avoids a potentially complicated JSON/XML Ajax request over the network. Just plop the equivalent json directly into 'tileSources' option.
Configuration is done via the 'tileSources' option ( or programatically ).
Note however the non-standard dzi property 'Url' which we must supply explicitly since this is normally inferred by the path specified for the dzi XML/JSON/JSONP.
OpenSeadragon({ ... tileSources: { Image: { xmlns: "http://schemas.microsoft.com/deepzoom/2008", Url: "/openseadragon/examples/images/highsmith/highsmith_files/", Format: "jpg", Overlap: "2", TileSize: "256", Size: { Height: "9221", Width: "7026" } } } ... });


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Fret Mapper
Welcome to Fret Mapper, a tool for finding notes on a guitar no matter what the tuning
For the web friendly version, check out Fretboard
Welcome to Fret Mapper, a tool for finding notes on a guitar no matter what the tuning
For the web friendly version, check out Fretboard


Tables for SENDER addresses
sender_canonical_maps
This parameter specifies optional address mapping lookup tables for envelope
and header SENDER addresses.
By default, no sender-only address mapping is done.
$sender_canonical_maps is used before $canonical_maps
lookups.


After installing scorecard via instructions in the README section, load the package into your environment.
Let’s use the germancredit dataset for the purposes of this demonstration.
The var_filter
function drops column variables that
don’t meet the thresholds for missing rate (> 95% by default),
information value (IV) (< 0.02 by default), or identical value rate
(> 95% by default).
dt_f <- var_filter(germancredit, y = "creditability")
When building scorecard models, a subset of the observations should
be held out from the data used to train the model (similar to most other
traditional modeling approaches), and instead be apportioned to the
test set. We can perform this sampling to create the
train and test datasets using the
split_df
function.
Weight-of-Evidence binning is a technique for binning both continuous
and categorical independent variables in a way that provides the most
robust bifurcation of the data against the dependent variable. This
technique can be easily executed across all independent variables using
the woebin
function.
bins <- woebin(dt_f, y = "creditability")
# woebin_plot(bins)
The user can also adjust bin breaks interactively by using the
woebin_adj
function.
# breaks_adj <- woebin_adj(dt_f, y = "creditability", bins = bins)
Furthermore, the user can set the bin breaks manually via the
breaks_list = list()
argument in the woebin
function. Note the use of %,% as a separator to create a single
bin from two classes in a categorical independent variable.
breaks_adj <- list(
age.in.years = c(26, 35, 40),
other.debtors.or.guarantors = c("none", "co-applicant%,%guarantor")
)
bins_adj <- woebin(dt_f, y = "creditability", breaks_list = breaks_adj)
Once your WoE bins are established for all desired independent variables, apply the binning logic to the training and test datasets.
dt_woe_list <- lapply(dt_list, function(x) woebin_ply(x, bins_adj))
Logistic regression can often be leveraged effectively to assist in building the scorecards.
m1 <- glm( creditability ~ ., family = binomial(), data = dt_woe_list$train)
# vif(m1, merge_coef = TRUE) # summary(m1)
# Select a formula-based model by AIC (or by LASSO for large dataset)
m_step <- step(m1, direction = "both", trace = FALSE)
m2 <- eval(m_step$call)
# vif(m2, merge_coef = TRUE) # summary(m2)
If oversampling is a concern, the following code chunk could be uncommented and run to help adjust for this issue.
# Read documentation on handling oversampling (support.sas.com/kb/22/601.html)
# library(data.table)
# p1 <- 0.03 # bad probability in population
# r1 <- 0.3 # bad probability in sample dataset
# dt_woe <- copy(dt_woe_list$train)[, weight := ifelse(creditability == 1, p1/r1, (1-p1)/(1-r1) )][]
# fmla <- as.formula(paste("creditability ~", paste(names(coef(m2))[-1], collapse = "+")))
# m3 <- glm(fmla, family = binomial(), data = dt_woe, weights = weight)
The perf_eva
function provides model accuracy statistics
(such as mse, rmse, logloss, r2, ks, auc, gini) and plots (such as ks,
lift, gain, roc, lz, pr, f1, density).
Once the model has been selected, scorecards can be created via the
scorecard
function. Note that the default target points is
600, target odds is 1/19 and points to double the odds is 50. See
?scorecard
for more information on the function and its
arguments.
The scorecard can then be applied to the original data using the
scorecard_ply
function. Lastly, a chart encompassing
Population Stability Index (PSI) statistics can be rendered via the
perf_psi
function.
# Build the card
card <- scorecard(bins_adj, m2)
# Obtain Credit Scores
score_list <- lapply(dt_list, function(x) scorecard_ply(x, card))
# Analyze the PSI
perf_psi(score = score_list, label = label_list)


$1,000,000 raised for koalas injured in Australian bushfires
An online fundraiser for koalas injured in Australian bushfires has received more donations than any other campaign on the country’s GoFundMe platform this year.
Hundreds of koalas are estimated to have died in blazes that have ravaged parts of eastern Australia for weeks.
Fire crews have been trying to rescue injured wildlife from the wreckage, with devastating pictures showing burnt and bloodied koalas in desperate need of water.
A crowdfunding page set up by Port Macquarie Koala Hospital to provide automatic water drinking stations for the bears asked for $25,000 (£13,000).
But within weeks donations soared past $1m (£520,000), making it the country’s second largest fundraising campaign since GoFundme was launched there in 2016.
More than 700 bushfire-related fundraisers were launched on the platform in the past 10 days, raising a combined total of more than £1m.
However, the wildlife charity’s ‘Help thirsty koalas devastated by recent fires’ drive has attracted the most attention, with generous donations from people all over the world raking in $1,260,180 (£665,709).
Advertisement Advertisement
The blazes have so far killed six people, ravaged hundreds of homes and scorched about 1.5 million hectares (3.7 million acres) of land since October.
The koala hospital, about four hours north Sydney, has rescued 31 koalas from the fires in recent weeks, and said it had been ‘overwhelmed by the kindness, good wishes and support from the Australian and international community’.
It plans to use the excess funds to deliver koala drinking stations to other parts of the state, purchase a water-carrying vehicle to replenish the stations, and to establish a koala breeding programme.
The extent of the blaze means large tracts of the tree-dwelling koala bears’ habitat has been destroyed.
The hospital said they will build a ‘Koala Ark’ for recovering koalas until they are well enough to breed and be returned to the wild.
You can donate to their GoFundMe page here
Got a story for Metro.co.uk?
Get in touch with our news team by emailing us at<EMAIL_ADDRESS>For more stories like this, check our news page.


--- layout: default title: Foster City Martial Arts - United Studios of Self Defense ---
The style we teach at United Studios of Self Defense is Shaolin Kempo, a martial arts system that traces back to the Shaolin Temple in ancient China.
Each year since the beginning, the martial arts system has been examined and updated to meet the needs of today's student.
The style we teach at United Studios of Self Defense is Shaolin Kempo, a martial arts system that traces back to the Shaolin Temple in ancient China.
Each year since the beginning, the martial arts system has been examined and updated to meet the needs of today's student.


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-f option, command-line
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FAQ document
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fields, access.log
file descriptors compiling and
FreeBSD and
Linux and
NetBSD and
OpenBSD and
Solaris and
file number field, store.log
file numbers, mapping to pathnames
filedescriptors cache manager page
debugging and
filesystems
alternative
aufs storage scheme
benchmarks configuration
disk spindles
FreeBSD
hardware
Linux
NetBSD
OpenBSD
Solaris
Squid versions
coss (Cyclic Object Storage Scheme)
disk cache, object size
disk space, process size and
disk usage
diskd storage scheme
ext2fs
FFS
I/O bottleneck
inodes
journaling systems
null storage scheme
soft updates
storage schemes
system calls
tuning options
UFS
filters, redirectors and
forw_headers, cache manager page
forward, cache manager pages
forwarded_for directive
forwarding loops, cache hierarchies
Foundry, interception caching and
FQDN (fully qualified domain name)
fqdncache, cache manager page
fqdncache_size directive
FreeBSD file descriptors and
filesystem benchmarks
interception caching and
FTP (File Transfer Protocol) servers
ftp_list_width directive
ftp_passive directive
ftp_sanitycheck directive
ftp_user directive
fully qualified hostname, debugging
|


类 Particle
- java.lang.Object
-
- edu.princeton.cs.algs4.Particle
-
public class Particle extends java.lang.Object
TheParticle
class represents a particle moving in the unit box, with a given position, velocity, radius, and mass. Methods are provided for moving the particle and for predicting and resolvling elastic collisions with vertical walls, horizontal walls, and other particles. This data type is mutable because the position and velocity change.For additional documentation, see Section 6.1 of Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne.
-
-
方法概要
所有方法 实例方法 具体方法 修饰符和类型 方法 说明 void
bounceOff(Particle that)
Updates the velocities of this particle and the specified particle according to the laws of elastic collision.void
bounceOffHorizontalWall()
Updates the velocity of this particle upon collision with a horizontal wall (by reflecting the velocity in the y-direction).void
bounceOffVerticalWall()
Updates the velocity of this particle upon collision with a vertical wall (by reflecting the velocity in the x-direction).int
count()
Returns the number of collisions involving this particle with vertical walls, horizontal walls, or other particles.void
draw()
Draws this particle to standard draw.double
kineticEnergy()
Returns the kinetic energy of this particle.void
move(double dt)
Moves this particle in a straight line (based on its velocity) for the specified amount of time.double
timeToHit(Particle that)
Returns the amount of time for this particle to collide with the specified particle, assuming no interening collisions.double
timeToHitHorizontalWall()
Returns the amount of time for this particle to collide with a horizontal wall, assuming no interening collisions.double
timeToHitVerticalWall()
Returns the amount of time for this particle to collide with a vertical wall, assuming no interening collisions.
-
-
-
构造器详细资料
-
Particle
public Particle()
Initializes a particle with a random position and velocity. The position is uniform in the unit box; the velocity in either direciton is chosen uniformly at random.
-
Particle
public Particle(double rx, double ry, double vx, double vy, double radius, double mass, java.awt.Color color)
Initializes a particle with the specified position, velocity, radius, mass, and color.- 参数:
rx
- x-coordinate of positionry
- y-coordinate of positionvx
- x-coordinate of velocityvy
- y-coordinate of velocityradius
- the radiusmass
- the masscolor
- the color
-
-
方法详细资料
-
bounceOff
public void bounceOff(Particle that)
Updates the velocities of this particle and the specified particle according to the laws of elastic collision. Assumes that the particles are colliding at this instant.- 参数:
that
- the other particle
-
bounceOffHorizontalWall
public void bounceOffHorizontalWall()
Updates the velocity of this particle upon collision with a horizontal wall (by reflecting the velocity in the y-direction). Assumes that the particle is colliding with a horizontal wall at this instant.
-
bounceOffVerticalWall
public void bounceOffVerticalWall()
Updates the velocity of this particle upon collision with a vertical wall (by reflecting the velocity in the x-direction). Assumes that the particle is colliding with a vertical wall at this instant.
-
count
public int count()
Returns the number of collisions involving this particle with vertical walls, horizontal walls, or other particles. This is equal to the number of calls tobounceOff(edu.princeton.cs.algs4.Particle)
,bounceOffVerticalWall()
, andbounceOffHorizontalWall()
.- 返回:
- the number of collisions involving this particle with vertical walls, horizontal walls, or other particles
-
draw
public void draw()
Draws this particle to standard draw.
-
kineticEnergy
public double kineticEnergy()
Returns the kinetic energy of this particle. The kinetic energy is given by the formula 1/2 m v2, where m is the mass of this particle and v is its velocity.- 返回:
- the kinetic energy of this particle
-
move
public void move(double dt)
Moves this particle in a straight line (based on its velocity) for the specified amount of time.- 参数:
dt
- the amount of time
-
timeToHit
public double timeToHit(Particle that)
Returns the amount of time for this particle to collide with the specified particle, assuming no interening collisions.- 参数:
that
- the other particle- 返回:
- the amount of time for this particle to collide with the specified
particle, assuming no interening collisions;
Double.POSITIVE_INFINITY
if the particles will not collide
-
timeToHitHorizontalWall
public double timeToHitHorizontalWall()
Returns the amount of time for this particle to collide with a horizontal wall, assuming no interening collisions.- 返回:
- the amount of time for this particle to collide with a horizontal wall,
assuming no interening collisions;
Double.POSITIVE_INFINITY
if the particle will not collide with a horizontal wall
-
timeToHitVerticalWall
public double timeToHitVerticalWall()
Returns the amount of time for this particle to collide with a vertical wall, assuming no interening collisions.- 返回:
- the amount of time for this particle to collide with a vertical wall,
assuming no interening collisions;
Double.POSITIVE_INFINITY
if the particle will not collide with a vertical wall
-
-


Note: To complete these procedures, you must be assigned a role having the necessary permissions. To determine your role, follow the directions in Participant roles. For a basic understanding of roles and permissions, see Permissions and roles: Overview.
When you're ready for participants to see your site, you can make it available, i.e., publish it. When you publish your site, it appears as a new tab in each participant's workspace.
You can do this either from Site Info within the site in question, or from Worksite Setup within My Workspace.
To change the publication status of your site:
Site Info
.
Manage Access
.
Publish site
, check or
uncheck the box to publish or unpublish your site, respectively.
Update
.
Worksite
Setup
.
Edit
.
Manage Access
.
Publish site
, check or
uncheck the box to publish or unpublish your site, respectively.
Update
.


There are quite a few choices in the Node menu.
Let's look first at the possibilities for changing the appearance of a node.
Nodes can have different colors.
To change the color, use the Node Color choice or hit Alt-c. Alt-b sets the color to a blend of the current color and the background.
Nodes can have different fonts, sizes and styles.
small
normal
bigger
Large
OOh
Bold
Italics
Bold and italics
To change the typeface, use the pulldown menus for font and size at the top of the screen. To change font styles, or make the type larger or smaller, pick Font in the Node menu.
The Style choice in the Node menu lets you pick between Fork ...
or Bubble formatting ...
or to create a Cloud that spans multiple nodes ...
By default, clicking on a node toggles between folded and unfolded.
C:\Photos\cat.jpg
Use one of the Set Link choices on the Node menu. Ctrl-k lets you type in a link; Ctrl-Shift-k lets you pick an item from a file browser.
Click on it, or highlight it and use Ctrl-Enter.
On a node with a link and children:
In the popup menu of a node, edit the link by the menu item "Node > Set Link (Textfield)" and set the link as an empty string.
Use Set Image (Alt-k), then pick your file using the file chooser.
Just add a node with a small label.


2 references to Advise
System.Management.Automation (2)
engine\ComInterop\ComEventsSink.Extended.cs (1)
15
Advise
(rcw);
engine\ComInterop\InteropServices\ComEventsSink.cs (1)
27
this.
Advise
(rcw);


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All web developers should be proficient in three languages:
JavaScript can change HTML elements:
but it also can change HTML attributes: W3 example
and HTML styles (CSS):
console.log()
from your JavaScript code to display values and messages in the console.In JavaScript there are variables. These are names to store data values.
var x, length; x = 5; length = 6;
or
var x = 5; var length = 6;
Arithmetics operations can be performed suing JavaScript variables, as in:
var y = 5; var x = y + 2;
var artistName = "Ratatat "; var albumName = "Classics"; var artistalbumName = artistName + albumName;
or
var artistalbumName = artistName.concat(albumName)
var albumPrice = 17.99; var songNumber = 8;
var listenerHas = true; var downloaded = false;
An array is a special variable that can hold more than one value at a time.
Arrays are written in brackets, separated by commas
var albums = ["Ratatat", "Classics", "LP3", "LP4"];
You can read or set an array element by referring to its index number.
albums[3]; albums[4] = "Magnifique";
You can read characteristics of the array by looking at its properties. For example, to know the current length of the array:
albums.length
Dictionary (Key/Value pair collection) is a data type that can be useful. They can contain many values.
var release = { albumName: "Classics", artistName: "Ratatat", year: 2006, label: "XL Recordings" };
New attributes can be easily added
release['members'] = "Evan Mast, Mike Stroud"
or
release.members = "Evan Mast, Mike Stroud"
function addition (a, b) { return a + b; }
Functions are executed when
x = addition(release.artistName, release.albumName)
JavaScript can be used to execute code when events are detected
These events are actions that happen to HTML elements. For example:
<element onload="myScript()">
<select onchange="myFunction()">
<button type="button" onclick=otherScript()>
Click the button to display how many minutes there are left to finish this class
The list of possible events can be found here
script
tagYour code goes here.script
tags contain the JavaScript code, and the browser will interpret the code between them as JavaScript.body
section of a web page can reduce display time..js
. To use an external script, put the name of the script file in the source (src) attribute of the script
tag:

Release Year Label

Please Please Me 1963 Parlophone

With The Beatles 1963 Parlophone

Introducing... The Beatles 1964 Vee-Jay Records

Meet The Beatles! 1964 Capitol Records

Twist And Shout 1964 Capitol Records

The Beatles' Second Album 1964 Capitol Records

The Beatles' Long Tall Sally 1964 Capitol Records
 ...
we could a define a data structure like:
var beatles_releases = [{ 'album': 'Please Please Me', 'year': 1963, 'label': "Parlophone" }, { 'album': 'With the Beatles', 'year': 1963, 'label': "Parlophone" }, ...]
and then iterate over all elements of the array using a for loop
function discography() { for (row = 0; row < beatles_releases.length; row++) { ... do something ...}
But, how to insert images from the record covers?
Check the code using div elements instead of table


Examples
Redirect one url
<rule>
<from>^/some/old/page\.html$</from>
<to type="redirect">/very/new/page.html</to>
</rule>
<rule match-type="wildcard">
<from>/some/old/page.html</from>
<to type="redirect">/very/new/page.html</to>
</rule>
Redirect docs in a directory to another using wildcard engine.
<urlrewrite default-match-type="wildcard">
<rule>
<from>/some/old/*.doc</from>
<to type="redirect">/very/new/$1.doc</to>
</rule>
</urlrewrite>
Tiny/Freindly url
<rule>
<from>^/zebra$</from>
<to type="redirect">/big/ugly/url/1,23,56,23132.html</to>
</rule>
Default page as another (requests to / will be redirected)
<rule>
<from>^/$</from>
<to type="redirect">/opencms/opencms/index.html</to>
</rule>
Perform security checks in a centralised place
<rule>
<condition type="user-in-role" operator="notequal">admin</condition>
<condition type="user-in-role" operator="notequal">bigboss</condition>
<from>^/admin/(.*)$</from>
<to>/go-away-please.html</to>
</rule>
Check that users are using the correct domain name to get to your site. ie, users gong to http://example.com/blah will be redirected to http://www.example.com/blah
<rule>
<name>Domain Name Check</name>
<condition name="host" operator="notequal">www.example.com</condition>
<from>^(.*)$</from>
<to type="redirect">http://www.example.com/context$1</to>
</rule>
Disable access to a directory.
<rule>
<name>Disable Directory</name>
<from>^/notliveyet/.*$</from>
<set type="status">403</set>
<to>null</to>
</rule>
Redirect a directory (for moved content)
<rule>
<from>^/some/olddir/(.*)$</from>
<to type="redirect">/very/newdir/$1</to>
</rule>
Clean a URL
<rule>
<from>^/products/([0-9]+)$</from>
<to>/products/index.jsp?product_id=$1</to>
</rule>
e.g. /products/1234
will be passed on to /products/index.jsp?product_id=1234
without the user noticing.
<rule>
<from>^/world/([a-z]+)/([a-z]+)$</from>
<to>/world.jsp?country=$1&city=$2</to>
</rule>
e.g. /world/unitedstates/newyork
will be passed on to /world.jsp?country=unitedstates&city=newyork
Browser detection
<rule>
<condition name="user-agent">Mozilla/[1-4]</condition>
<from>^/some/page\.html$</from>
<to>/some/page-for-old-browsers.html</to>
</rule>
e.g. will pass the request for /some/page.html
on to /some/page-for-old-browsers.html
only for older browsers whose user agent strings match Mozilla/1
, Mozilla/2
,
Mozilla/3
or Mozilla/4
.
Security. Preclude certain types of method from you web application.
<rule>
<condition type="method" next="or">PROPFIND</condition>
<condition type="method">PUT</condition>
<from>.*</from>
<to type="redirect">/bad-method.html</to>
</rule>
Sunday Specials
<rule>
<condition type="dayofweek">1</condition>
<from>^/products/$</from>
<to>/products/sunday-specials.html</to>
</rule>
Set the "Cache-Control" HTTP response header for all requests
<rule>
<from>.*</from>
<set type="response-header" name="Cache-Control">max-age=3600, must-revalidate</set>
</rule>
Forward a request to a servlet
<rule>
<from>^/products/purchase$</from>
<to>/servlets/ProductsServlet</to>
<set name="action">purchase</set>
</rule>
e.g. the request /products/purchase
will be forwarded to /servlets/ProductsServlet
and
inside
the servlet request.getAttribute("action")
will return purchase
.
Set an "Expires" HTTP header 6 hours into the future for js, css and gif files
<rule>
<from>^.*\.(js|css|gif)$</from>
<set type="expires">6 hours</set>
</rule>
Hide jsessionid for requests from googlebot.
<outbound-rule>
<name>Strip URL Session ID's</name>
<note>
Strip ;jsession=XXX from urls passed through
response.encodeURL().
The characters ? and # are the only things we can use to
find out where the jsessionid ends.
The expression in 'from' below contains three capture
groups, the last two being optional.
1, everything before ;jesessionid
2, everything after ;jesessionid=XXX starting with a ?
(to get the query string) up to #
3, everything ;jesessionid=XXX and optionally ?XXX
starting with a # (to get the target)
eg,
from index.jsp;jsessionid=sss?qqq to index.jsp?qqq
from index.jsp;jsessionid=sss?qqq#ttt to index.jsp?qqq#ttt
from index.jsp;jsessionid=asdasdasdsadsadasd#dfds -
index.jsp#dfds
from u.jsp;jsessionid=wert.hg - u.jsp
from /;jsessionid=tyu - /
</note>
<condition name="user-agent">googlebot</condition>
<from>^(.*?)(?:\;jsessionid=[^\?#]*)?(\?[^#]*)?(#.*)?$</from>
<to>$1$2$3</to>
</outbound-rule>
Permanently redirect incoming URLs containing jsessionid.
<rule>
<name>Strip URL Session ID's</name>
<note>
Strip ;jsession=XXX from urls passed through
response.encodeURL().
The characters ? and # are the only things we can use to
find out where the jsessionid ends.
The expression in 'from' below contains three capture
groups, the last two being optional.
1, everything before ;jesessionid
2, everything after ;jesessionid=XXX starting with a ?
(to get the query string) up to #
3, everything ;jesessionid=XXX and optionally ?XXX
starting with a # (to get the target)
eg,
from index.jsp;jsessionid=sss?qqq to index.jsp?qqq
from index.jsp;jsessionid=sss?qqq#ttt to index.jsp?qqq#ttt
from index.jsp;jsessionid=asdasdasdsadsadasd#dfds -
index.jsp#dfds
from u.jsp;jsessionid=wert.hg - u.jsp
from /;jsessionid=tyu - /
</note>
<condition type="requested-session-id-from-url" operator="equal">true</condition>
<from>^(.*?)(?:\;jsessionid=[^\?#]*)?(\?[^#]*)?(#.*)?$</from>
<to type="permanent-redirect">$1$2$3</to>
</rule>
Method Invocation
The standard servlet mapping that is done via web.xml is rather limiting. Only *.xxx or /xxxx/*, no abilty to have any sort of smart matching. Using UrlRewriteFilter any rule when matched can be set to run method(s) on a class.
Invoke a servlet directly
<rule>
<from>^/products/purchase$</from>
<run class="com.blah.web.MyServlet" method="doGet" />
</rule>
This will invoke doGet(HttpServletRequest request, HttpServletResponse response)
when the "from" is
matched on a request. (remeber this method needs to be public!)
Use it to delagate cleanly to your methods
<rule>
<from>^/pref-editor/addresses$</from>
<run class="com.blah.web.PrefsServlet" method="runAddresses" />
</rule>
<rule>
<from>^/pref-editor/phone-nums$</from>
<run class="com.blah.web.PrefsServlet" method="runPhoneNums" />
</rule>
Browser based delagation to your methods
<rule>
<condition name="user-agent">Mozilla/[1-4]</condition>
<from>^/content/.*$</from>
<run class="com.blah.web.ContentServlet" method="runForOldBrowsers" />
</rule>
<rule>
<condition name="user-agent" operator="notequal">Mozilla/[1-4]</condition>
<from>^/content/.*$</from>
<run class="com.blah.web.GeneralServlet" method="runRobotMonitor" />
<run class="com.blah.web.ContentServlet" method="runForNewBrowsers" />
</rule>
When the method specified in the "run" is invoked it has full control over the request and response as if it were a servlet.
URL Abstraction
Both incoming request and embedded links in JSP's can be rewritten allowing full URL abstraction.
<rule>
<from>^/tidy/page$</from>
<to>/old/url/scheme/page.jsp</to>
</rule>
<outbound-rule>
<from>^/old/url/scheme/page.jsp$</from>
<to>/tidy/page</to>
</outbound-rule>
Any incoming requests for /tidy/page
will be transparently forwarded to
/old/url/scheme/page.jsp
.
If you use JSTL your JSP page would have something like:
<a href="<c:url value="/old/url/scheme/page.jsp"/>">some link
This will be rewritten upon output to:
some link
Or if you use standard JSP:
<a href="<%= response.encodeURL("/old/url/scheme/page.jsp") %>">some link
Will generate output like:
some link
mod_rewrite vs urlrewrite filter
Examples of mod_rewrite style conf vs urlrewrite filter conf are below, there are all examples copied directly from Apache 2.0's official rewrite guide.
<rule>
<name>Canonical URLs</name>
<note>
On some webservers there are more than one URL for a resource. Usually there are canonical URLs (which
should be actually used and distributed) and those which are just shortcuts, internal ones, etc. Independent
of which URL the user supplied with the request he should finally see the canonical one only.
We do an external HTTP redirect for all non-canonical URLs to fix them in the location view of the Browser
and for all subsequent requests. In the example ruleset below we replace /~user by the canonical /u/user and
fix a missing trailing slash for /u/user.
RewriteRule ^/~([^/]+)/?(.*) /u/$1/$2 [R]
RewriteRule ^/([uge])/([^/]+)$ /$1/$2/ [R]
</note>
<from>^/~([^/]+)/?(.*)</from>
<to type="redirect">/u/$1/$2</to>
</rule>
<rule>
<from>^/([uge])/([^/]+)$</from>
<to type="redirect">/$1/$2/</to>
</rule>
<rule>
<name>Canonical Hostnames</name>
<note>
The goal of this rule is to force the use of a particular hostname, in preference to other hostnames which
may be used to reach the same site. For example, if you wish to force the use of www.example.com instead of
example.com, you might use a variant of the following recipe.
RewriteCond %{HTTP_HOST} !^fully\.qualified\.domain\.name [NC]
RewriteCond %{HTTP_HOST} !^$
RewriteRule ^/(.*) http://fully.qualified.domain.name/$1 [L,R]
</note>
<condition name="host" operator="notequal">^fully\.qualified\.domain\.name</condition>
<condition name="host" operator="notequal">^$</condition>
<from>^/(.*)</from>
<to type="redirect" last="true">http://fully.qualified.domain.name/$1</to>
</rule>
<rule>
<name>Moved DocumentRoot</name>
<note>
Usually the DocumentRoot of the webserver directly relates to the URL "/". But often this data is not
really of top-level priority, it is perhaps just one entity of a lot of data pools. For instance at our
Intranet sites there are /e/www/ (the homepage for WWW), /e/sww/ (the homepage for the Intranet) etc. Now
because the data of the DocumentRoot stays at /e/www/ we had to make sure that all inlined images and other
stuff inside this data pool work for subsequent requests.
We just redirect the URL / to /e/www/. While is seems trivial it is actually trivial with mod_rewrite, only.
Because the typical old mechanisms of URL Aliases (as provides by mod_alias and friends) only used prefix
matching. With this you cannot do such a redirection because the DocumentRoot is a prefix of all URLs.
With mod_rewrite it is really trivial:
RewriteRule ^/$ /e/www/ [R]
</note>
<from>^/$</from>
<to type="redirect">/e/www/</to>
</rule>
<rule>
<name>Trailing Slash Problem</name>
<note>
Every webmaster can sing a song about the problem of the trailing slash on URLs referencing directories.
If they are missing, the server dumps an error, because if you say /~quux/foo instead of /~quux/foo/ then
the server searches for a file named foo. And because this file is a directory it complains. Actually it
tries to fix it itself in most of the cases, but sometimes this mechanism need to be emulated by you. For
instance after you have done a lot of complicated URL rewritings to CGI scripts etc.
The solution to this subtle problem is to let the server add the trailing slash automatically. To do this
correctly we have to use an external redirect, so the browser correctly requests subsequent images etc. If
we only did a internal rewrite, this would only work for the directory page, but would go wrong when any
images are included into this page with relative URLs, because the browser would request an in-lined object.
For instance, a request for image.gif in /~quux/foo/index.html would become /~quux/image.gif without the
external redirect!
</note>
<from>^/~quux/foo$</from>
<to type="redirect">/~quux/foo/</to>
</rule>
<rule>
<name>Move Homedirs to Different Webserver</name>
<note>
Many webmasters have asked for a solution to the following situation: They wanted to redirect just all
homedirs on a webserver to another webserver. They usually need such things when establishing a newer
webserver which will replace the old one over time.
The solution is trivial with mod_rewrite (and urlrewrite filter). On the old webserver we just redirect all
/~user/anypath URLs to http://newserver/~user/anypath.
RewriteRule ^/~(.+) http://newserver/~$1 [R,L]
</note>
<from>^/~(.+)</from>
<to type="redirect" last="true">http://newserver/~$1</to>
</rule>
<rule>
<name>Structured Homedirs</name>
<note>
Some sites with thousands of users usually use a structured homedir layout, i.e. each homedir is in a
subdirectory which begins for instance with the first character of the username. So, /~foo/anypath is
/home/f/foo/.www/anypath while /~bar/anypath is /home/b/bar/.www/anypath.
We use the following ruleset to expand the tilde URLs into exactly the above layout.
RewriteRule ^/~(([a-z])[a-z0-9]+)(.*) /home/$2/$1/.www$3
</note>
<from>^/~(([a-z])[a-z0-9]+)(.*)</from>
<to>/home/$2/$1/.www$3</to>
</rule>
<rule>
<name>Redirect Homedirs For Foreigners</name>
<note>
We want to redirect homedir URLs to another webserver www.somewhere.com when the requesting user does not
stay in the local domain ourdomain.com. This is sometimes used in virtual host contexts.
Just a rewrite condition:
RewriteCond %{REMOTE_HOST} !^.+\.ourdomain\.com$
RewriteRule ^(/~.+) http://www.somewhere.com/$1 [R,L]
</note>
<condition name="host">!^.+\.ourdomain\.com$</condition>
<from>^(/~.+)</from>
<to type="redirect" last="true">http://www.somewhere.com/$1</to>
</rule>
<rule>
<name>Time-Dependent Rewriting</name>
<note>
When tricks like time-dependent content should happen a lot of webmasters still use CGI scripts which do for
instance redirects to specialized pages. How can it be done via mod_rewrite?
There are a lot of types in conjunction with operators we can do time-dependent redirects:
RewriteCond %{TIME_HOUR}%{TIME_MIN} >0700
RewriteCond %{TIME_HOUR}%{TIME_MIN} <1900
RewriteRule ^foo\.html$ foo.day.html
RewriteRule ^foo\.html$ foo.night.html
</note>
<condition type="hourofday" operator="greater">7</condition>
<condition type="hourofday" operator="less">19</condition>
<from>^foo\.html$</from>
<to>foo.day.html</to>
</rule>
<rule>
<from>^foo\.html$</from>
<to>foo.night.html</to>
</rule>
<rule>
<name></name>
<note>
Assume we have recently renamed the page foo.html to bar.html and now want to provide the old URL for
backward compatibility. Actually we want that users of the old URL even not recognize that the pages was
renamed.
We rewrite the old URL to the new one internally via the following rule:
RewriteBase /~quux/
RewriteRule ^foo\.html$ bar.html
</note>
<from>^/~quux/foo\.html$</from>
<to>/~quux/bar.html</to>
</rule>
<rule>
<name>From Old to New (extern)</name>
<note>
Assume again that we have recently renamed the page foo.html to bar.html and now want to provide the old URL
for backward compatibility. But this time we want that the users of the old URL get hinted to the new one,
i.e. their browsers Location field should change, too.
We force a HTTP redirect to the new URL which leads to a change of the browsers and thus the users view:
RewriteBase /~quux/
RewriteRule ^foo\.html$ bar.html [R]
</note>
<from>^/~quux/foo\.html$</from>
<to type="redirect">/~quux/bar.html</to>
</rule>
<rule>
<name>Browser Dependent Content</name>
<note>
At least for important top-level pages it is sometimes necessary to provide the optimum of browser dependent
content, i.e. one has to provide a maximum version for the latest Netscape variants, a minimum version for
the Lynx browsers and a average feature version for all others.
We cannot use content negotiation because the browsers do not provide their type in that form. Instead we
have to act on the HTTP header "User-Agent". The following condig does the following: If the HTTP header
"User-Agent" begins with "Mozilla/3", the page foo.html is rewritten to foo.NS.html and and the rewriting
stops. If the browser is "Lynx" or "Mozilla" of version 1 or 2 the URL becomes foo.20.html. All other
browsers receive page foo.32.html. This is done by the following ruleset:
RewriteCond %{HTTP_USER_AGENT} ^Mozilla/3.*
RewriteRule ^foo\.html$ foo.NS.html [L]
RewriteCond %{HTTP_USER_AGENT} ^Lynx/.* [OR]
RewriteCond %{HTTP_USER_AGENT} ^Mozilla/[12].*
RewriteRule ^foo\.html$ foo.20.html [L]
RewriteRule ^foo\.html$ foo.32.html [L]
</note>
<condition name="user-agent">^Mozilla/3.*</condition>
<from>^foo\.html$</from>
<to last="true">foo.NS.html</to>
</rule>
<rule>
<condition name="user-agent" next="or">^Lynx/.*</condition>
<condition name="user-agent">^Mozilla/[12].*</condition>
<from>^foo\.html$</from>
<to last="true">foo.20.html</to>
</rule>
<rule>
<from>^foo\.html$</from>
<to last="true">foo.32.html</to>
</rule>
<rule>
<name>From Static to Dynamic</name>
<note>
How can we transform a static page foo.html into a dynamic variant foo.cgi in a seamless way, i.e. without
notice by the browser/user.
We just rewrite the URL to the jsp/servlet and force the correct MIME-type so it gets really run as
a CGI-script. This way a request to /~quux/foo.html internally leads to the invocation of /~quux/foo.jsp.
RewriteBase /~quux/
RewriteRule ^foo\.html$ foo.cgi [T=application/x-httpd-cgi]
</note>
<from>^/~quux/foo\.html$</from>
<to>/~quux/foo.jsp</to>
</rule>
<rule>
<name>Blocking of Robots</name>
<note>
How can we block a really annoying robot from retrieving pages of a specific webarea? A /robots.txt file
containing entries of the "Robot Exclusion Protocol" is typically not enough to get rid of such a robot.
We use a ruleset which forbids the URLs of the webarea /~quux/foo/arc/ (perhaps a very deep directory
indexed area where the robot traversal would create big server load). We have to make sure that we forbid
access only to the particular robot, i.e. just forbidding the host where the robot runs is not enough.
This would block users from this host, too. We accomplish this by also matching the User-Agent HTTP header
information.
RewriteCond %{HTTP_USER_AGENT} ^NameOfBadRobot.*
RewriteCond %{REMOTE_ADDR} ^123\.45\.67\.[8-9]$
RewriteRule ^/~quux/foo/arc/.+ - [F]
</note>
<condition name="user-agent">^NameOfBadRobot.*</condition>
<condition type="remote-addr">^123\.45\.67\.[8-9]$</condition>
<from>^/~quux/foo/arc/.+</from>
<set type="status">403</set>
<to>null</to>
</rule>
<rule>
<name>Blocked Inline-Images</name>
<note>
Assume we have under http://www.quux-corp.de/~quux/ some pages with inlined GIF graphics. These graphics are
nice, so others directly incorporate them via hyperlinks to their pages. We don't like this practice because
it adds useless traffic to our server.
While we cannot 100% protect the images from inclusion, we can at least restrict the cases where the browser
sends a HTTP Referer header.
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://www.quux-corp.de/~quux/.*$ [NC]
RewriteRule .*\.gif$ - [F]
</note>
<condition name="referer" operator="notequal">^$</condition>
<condition name="referer" operator="notequal">^http://www.quux-corp.de/~quux/.*$</condition>
<from>.*\.gif$</from>
<set type="status">403</set>
<to>null</to>
</rule>
<rule>
<name>Blocked Inline-Images example 2</name>
<note>
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !.*/foo-with-gif\.html$
RewriteRule ^inlined-in-foo\.gif$ - [F]
</note>
<condition name="referer" operator="notequal">^$</condition>
<condition name="referer" operator="notequal">.*/foo-with-gif\.html$</condition>
<from>^inlined-in-foo\.gif$</from>
<set type="status">403</set>
<to>null</to>
</rule>


Get excited and find out how easy it is to build a web app!
Created by RailsGirls team / @railsgirlsbne
Use the right arrow to go to the next step. In some sections, you'll have the option of reading more information. Use the down arrow to read this, and when you're finished, use the right arrow to move on to the next step. If you get lost, hit the escape key (ESC) to see an overview of the course, or ask a coach for help.
To build apps and other things with Ruby on Rails, you need to set up 2 accounts, namely GitHub and Nitrous.io .
We need somewhere for you to write code and run a server , and we need somewhere for you to store and share your code so you can work with other people.
First, we're going to create a folder to store our app.
In Nitrous, the boxes at the bottom of the page are your Terminal.
Your Terminal is used to write commands that control the server,
the files you're creating and your database.
We are going to create a folder to store our app in .
In the terminal type:
mkdir projects
The 'mkdir' command means 'make directory'. So, we've made a directory called 'projects'.
Now, we need to access the directory we made.
In the terminal type:
cd projects
The 'cd' command means 'change directory'. We're now in the 'projects' directory.
The 'projects' directory is usually used to store all your different coding projects.
We're going to make an app called Rails Girls.
In the terminal type:
rails new railsgirls
The 'rails new' command creates a new rails app. All the necessary files gets created for you here.
To access our app, we need to change directory again
In the terminal type:
cd railsgirls
We are now in the 'railsgirls' directory where our app resides
If you type this in the terminal
ls
you will see a list of folders


Table Cell with image of square.
Table Cell with image of triangle.
Table Cell with image of circle.
Table Cell with image of button.


 A woman who was riding pillon on the 26-year-old's bike was also injured in the accident. The deceased man has been identified as 26-year-old Abhishek Anand.
Police say Anand died after his Royal Enfield motorcycle was hit by a speeding BMW car. The driver of the car -- identified as K Ashwin Rao -- was heavily drunk at the time of the accident and has been arrested, police said. Police also said that Rao was driving the BMW on the wrong lane at the time of the accident.
The accident took place at the Khanmet Junction in the Madhapur suburb of Hyderabad late Sunday night. Images of the accident showed a damaged Royal Enfield bike with its front wheel destroyed. The white BMW car too was damaged in the incident with a part of its bonnet completely missing.
According the police, Abhishek died on the spot while his 24-year-old pillion rider Lisa Chowdary suffered multiple fractures to her right leg. Lisa is undergoing treatment at the KIMS Hospital.


Click on Polux to test !!!
What is this?
- ShakaCSS is a tiny javascript tool for viewing:
- • guides as Photoshop style
- • a grid
- • a resizable and draggable rule
These small tools make the development of web interface easier.
- Its efficiency mainly comes from 2 things:
- • its deployment on any sites in 1 click, thanks to bookmarklet
- • registration of variables in a cookie that lets you navigate from one page to another keeping the markers
Bookmarklet
Click and drag this link: ShakaCSS to your browser bookmark field.


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Psalms 144:15
Happy is that people, that is in such a case: yea, happy is that people, whose God is the LORD.


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See:
Description
| Interface Summary | |
|---|---|
| Document | An interface representing an ExtenXLS WorkBook. |
| Handle | A generic handle interface to various XLS components Currently this interface is just a flag, similar to Synchronizable |
| WorkBook | An interface representing an ExtenXLS WorkBook. |
| WorkSheet | An interface representing an ExtenXLS WorkSheet |
| Class Summary | |
|---|---|
| AutoFilterHandle | AutoFilterHandle allows for manipulation of the AutoFilter feature of Excel |
| CellHandle | The CellHandle provides a handle to an XLS Cell and its values. |
| CellRange | Cell Range is a handle to a range of Workbook Cells
Contains useful methods for working with Collections of Cells. |
| CellRangeRef | Represents a reference to a 3D range of cells. |
| ChartHandle | Chart Handle allows for manipulation of Charts within a WorkBook. |
| ChartSeriesHandle | Chart Series Handle allows for manipulation of Chart Series within a Chart Handle. |
| ColHandle | The ColHandle provides access to an Worksheet Column and its Cells. |
| CommentHandle | CommentHandle allows for manipulation of the Note or Comment feature of Excel In order to create CommentHandles programatically use the methods in WorkSheetHandle or CellHandle |
| ConditionalFormatHandle | ConditionalFormatHandle allows for manipulation of the ConditionalFormat cells in Excel Using the ConditionalFormatHandle, the affected range of ConditionalFormats can be modified, along with the formatting applied to the cells when the condition is true. |
| ConditionalFormatRule | |
| DateConverter | Provides methods for conversion to and from Excel serial date values. |
| DocumentHandle | This is the Abstract document class which represents an atomic Document file or object. |
| EncryptedWorkBookHandle | EncryptedWorkBookHandle is a WorkBookHandle that manages encrypted files. |
| ExcelTools | ExtenXLS helper methods. |
| ExtenDOC | Utility class for working with DOCS |
| ExtenXLS | Useful Entry-Point for ExtenXLS functionality. |
| FormatCache | Deprecated. |
| FormatHandle | Provides methods for querying and changing cell formatting information. |
| FormulaHandle | Formula Handle allows for manipulation of Formulas within a WorkBook. |
| GetInfo | Prints various bits of information about this build. |
| ImageHandle | The ImageHandle provides access to an Image embedded in a spreadsheet. Use the ImageHandle to work with images in spreadsheet. With an ImageHandle you can: insert images into your spreadsheet set the position of the image set the width and height of the image write spreadsheet image files to any outputstream |
| NameHandle | The NameHandle provides access to a Named Range and its Cells. Use the NameHandle to work with individual Named Ranges in an XLS file. With a NameHandle you can: get a handle to the Cells in a Name set the default formatting for a Name |
| PivotTableHandle | PivotTable Handle allows for manipulation of PivotTables within a WorkBook. |
| PrinterSettingsHandle | The PrinterSettingsHandle gives you control over the printer settings for a Sheet. |
| RowHandle | The RowHandle provides access to a Worksheet Row and its Cells. |
| ValidationHandle | ValidationHandle allows for manipulation of the validation cells in Excel Using the ValidationHandle, the affected range of validations can be modified, along with many of the error messages and actual validation upon the cells. |
| WorkBookBeanFactory | |
| WorkBookHandle | The WorkBookHandle provides a handle to the XLS file and includes convenience methods for working with the WorkSheets and Cell values within the XLS file. |
| WorkSheetHandle | The WorkSheetHandle provides a handle to a Worksheet within an XLS file and includes convenience methods for working with the Cell values within the sheet. for example: WorkBookHandle book = new WorkBookHandle("testxls.xls"); WorkSheetHandle sheet1 = book.getWorkSheet("Sheet1"); CellHandle cell = sheet1.getCell("B22"); to add a cell: CellHandle cell = sheet1.add("Hello World","C22"); to add a numeric cell: CellHandle cell = sheet1.add(new Integer(120),"C23"); to add a formula cell: CellHandle cell = sheet1.add("=PI()","C24"); to write out the workbook to a file: |
| Exception Summary | |
|---|---|
| DocumentObjectNotFoundException | |
| WorkBookException | WorkBookInstantiationException is thrown when a workbook cannot be parsed for a particular reason. |
The ExtenXLS package contains the primary classes for working with spreadsheets. See: ExtenXLS Docs
|
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{% extends "base.html" %} {% load staticfiles %} {% block title %} About - Phthisis Ravens {% endblock %} {% block content %}
The application makes sharing, mapping, manipulating and linking TB genetic data to drug resistance phenotype as well as other epidemiological, demographic and host variables. As such, the tool performs 4 different tasks in its current version:
Clinicians and researchers can make predictions about a strain's resistance based on its genotype using a random forest classifier, trained using a 1400 strain bank of clinical Mycobacterium tuberculosis. This classifier will be updated and retrained with the contribution of new high quality genotype and drug resistance data from the research community.
Clinicians and researchers can also store and share TB genetic and phenotypic data, allowing for the expansion of the current dataset. Every additional dataset that is uploaded is given a persistent and citable identifier using the broadly supported Digital Object Identifier (DOI) system, an ISO standard which provides an actionable, interpretable, and persistent link.
The tool also makes mapping TB genetic and phenotypic data as well as resistances easy. In particular, the tool, as it stands, allows for the mapping of resistance frequencies by different geographies through an interactive interface.
Finally the tool allows clinicians and researchers with limited statistical experience to explore the data using a point and click interface that can generate summary statistics and a graphical or tabular data display. This feature is powered by the TwoRavens application.
Stay tuned for additional analysis features as we have several in progress. If you would like to receive updates on these features please email us at tbpredict @ gmail.com.
Farhat MR et. al. Genomic analysis identifies targets of convergent positive selection in drug-resistant Mycobacterium tuberculosis Nat Genet 2013
Development and validation of this Prediction classifier is described in detail in Farhat MR, Razvan S et. al. under review.
Maha Farhat, tbpredict @ gmail.com
This database is maintained as a benefit to the research and education community. This website is provided in an "as is" basis only and without warranty or representation, whether express or implied, (including warranties of merchantability and fitness for a particular purpose) as to its accuracy or reliability. The developers and the American Lung Association are neither responsible for nor accept any liability for any direct or indirect loss or damages arising from or connected to the use of this website. The information provided on this website is intended for research and educational purposes and is not intended to substitute for care by a licensed healthcare professional.
Farhat MR, Murray M, Choirat C, Prasad R, Honaker J, Durbin P, Idris MY, Crosas M, King G, Murray M. genTB: Translational Genomics of Tuberculosis. 2015.


---
layout: post
title: 10 steps to become a better .NET developer
date: '2010-11-19T12:54:00.001+01:00'
author: Dave Van den Eynde
tags:
modified_time: '2010-11-22T09:27:13.217+01:00'
blogger_id: tag:blogger.com,1999:blog-10546079.post-41936189133431831
blogger_orig_url: http://www.groovbird.com/2010/11/10-steps-to-become-better-net-developer.html
---
In response to this blog article, I'd like to present to you my very own list of tips to become a better .NET developer.
- Read a bunch of .NET related books. From each book, try to remember the stuff you feel will make you a better developer, and forget the rest.
- Read a bunch of programming books. From each book, try to remember the stuff you feel will make you a better developer, and forget the rest.
- Learn Unit Testing, so that when that day comes when your senior developer or manager coerces you into using it that at least you can defend yourself if you feel it’s not what you need.
- Idem dito about Continuous Integration, Cloud Computing, ORMs, Scrum, BDD, DDD, TDD, EDD, ServiceBus, Messaging Architectures, CQRS, IoC Containers.
- Keep yourself up to date by reading popular blogs and following popular people on Twitter. Many of these are biased or outright zealots, but that’s ok because you should follow all sides at once. While you do, keep an eye out for “the next big thing” and keep a ton of salt ready.
- Realize that, if you’re not a passionate developer, there’s not much use in reading these tips and you probably won’t ever become a better developer. If that makes you unhappy, find a different career.
- Learn about version control systems. Regardless of how many you know already, there may be more that you’ll never ever encounter, but it’s nice to see just how green the grass is on the other side. It may be greener, but it’s probably browner once you’re past the marketing fluff.
- Realize that, if you’re a passionate developer, you probably know most of these “tips” already, or at least you’re convinced you did and you’re just scanning over them to see if there’s any new acronyms in there that you didn’t hear about yet. Good boy.
- Listen to whatever Anders Hejlsberg says. He’s the next best thing to God himself. If he’s in town, clear your schedule.
- Realize that every list of tips you read is written by a passionate developer, who has his own personal beliefs that may cloud his judgement from time to time when he prepares such list of tips. Such as yours truly.


{% extends 'layouts/base.html' %} {% block content %}
Hi {{ request.user['username'] }}! Doula will send all email notifications to your GitHub Enterprise email {{ request.user['email'] }}.
Notify me about a job:


Bounce Blocks
A simple motion experiment animating canvas elements using the jQuery's easing plugin methods


{%extends "blog/base.html" %} {% block content %}
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This server has special hardware specs that make it capable of storing the entire history of the XRP Ledger. That means it’s not cheap and replacements cannot be easily brought online because full history is too large to quickly acquire/copy into a new instance.


I live in San Diego and previously studied computer engineering at UCSD. I'm currently working at esguard.io where we help users stay protected on the internet.


public class TTEBufferedReader
extends java.lang.Object
implements java.lang.Runnable
DiskReader
, reads data from file,
parses it into TTE
items and caches them, until DiskReader
will take them.
Data item will be provided over a SynchronousQueue
.DiskReader
| Constructor and Description |
|---|
TTEBufferedReader(java.lang.String fp)
The constructor initializes variables, the buffer and the input file.
|
| Modifier and Type | Method and Description |
|---|---|
void |
estimateAvgBytesPerS()
Estimates the average Bytes per Second
by counting bytes for each timestamp and divide them by the difference of the timestamps.
|
int |
getCAPACITY()
Gets the maximum capacity of the buffer.
|
java.util.concurrent.SynchronousQueue<venice.lib.parser.SlotEvent> |
getSyncQ()
Give access to the
SynchronousQueue to receive data from the TTEBufferedReader . |
int |
getTHRESHOLD()
Gets the threshold of the buffer.
|
long |
getThresholdTimestamp()
Gets the timestamp of the item on the threshold in the buffer of the
disk reader.
|
TTEBuffer |
getTTEBuffer()
method for debugging
|
boolean |
isFinished()
With this method
VeniceHub can check if this thread
has finished, after a call of stopThread . |
void |
run()
Runs a loop for reading data from file.
|
void |
seek(long timestampToSeek)
Induces the seek for a specific timestamp in the file.
|
void |
stopThread()
Will be called by VeniceHub to end this Thread.
|
public TTEBufferedReader(java.lang.String fp)
fp
- filepath of the log filepublic void run()
run
in interface java.lang.Runnable
public void stopThread()
public boolean isFinished()
VeniceHub
can check if this thread
has finished, after a call of stopThread
.true
if this thread is ready to be terminated;
false
if not.public void seek(long timestampToSeek)
timestampToSeek
- the timestamp to seekpublic long getThresholdTimestamp()
Example:
If the capacity of the buffer is 1000 and the threshold
is 100, than the timetamp of the 900th item is returned.
But if the buffer holds only 700 items, then the timestamp of the
700th event is returned.
public void estimateAvgBytesPerS()
Configuration
.public java.util.concurrent.SynchronousQueue<venice.lib.parser.SlotEvent> getSyncQ()
SynchronousQueue
to receive data from the TTEBufferedReader
.
This is used by DiskReader
.public TTEBuffer getTTEBuffer()
public int getCAPACITY()
public int getTHRESHOLD()