cnnVis
Network
Training Stats
t-SNE
Test
Visualization
Neural Net Visualization
Run / Pause
Network
Instantiate a Network and Trainer
Training Stats
Learning rate:
Momentum:
Batch size:
Weight decay:
Loss:
Test an image from your computer:
Network Visualization
Example predictions on Test set


Ladybug Tools » 🕸 »
Box-Shape L-Shape T-Shape H-Shape
Height 8
Perimeter depth 15
Number of openings 5
Window to wall ratio in %40
Overhang depth 3
Fin depth 2
Orientation 0
Opacity 85
rotation
toggle edges
Legend


Lewis Capaldi drops new track "Before You Go"
by Nick FitzgeraldThe Scottish singer has revealed it's his most personal song yet
A Christmas gift has arrived early for fans of Lewis Capaldi with a brand new single released earlier today.
The Someone You Loved singer broke the news on social media, saying "Before You Go" would be out by 5pm.
Capaldi has revealed it's his most personal track yet, describing the tune as "my favourite song I've ever written".
The release comes as the singer is due to create an extended version of his debut album, Divinely Uninspired To A Hellish Extent.
Capaldi wrote to his millions of followers:
"The past year has been absolutely wild, didn't in a million years think of all this stuff would happen to me.
"Less than two years ago I was lucky enough to get to gigs in small pubs and bars back home in Scotland and somehow I am writing this with a number one single in America and getting to play to and meet thousands of ya every night all over the world!
"Today at 5pm UK time I am releasing 'Before You Go', which is by far te most personal tune I've ever written.
"Can't wait for ya to hear it!"
You can listen to the track below.


{% load index_template %}
Reprocessing will apply the qmap file below, rerun datasets through corr, and regenerate plots. Records will be re-ingested into search with the suffix given below.
No valid search results could be found.


- Request - Class in com.example.skipthegas
-
This is a class that stores all the information relevant for a ride request
- RequestCustomList - Class in com.example.skipthegas
-
This is a class that contains a list implementation of requests
- RequestCustomList(Context, ArrayList<Request>) - Constructor for class com.example.skipthegas.RequestCustomList
-
- RequestRideActivity - Class in com.example.skipthegas
-
This is a class that governs the request ride screen
- RequestRideActivity() - Constructor for class com.example.skipthegas.RequestRideActivity
-
- requestRides(View) - Method in class com.example.skipthegas.RiderProfileActivity
-
This opens the browse active requests screen upon a button click
- returnToProfile(View) - Method in class com.example.skipthegas.ActiveRequestsActivity
-
This returns the user back to their profile on a button click
- returnToProfile(View) - Method in class com.example.skipthegas.RideConfirmedActivity
-
This returns the user back to their profile upon a button press
- Ride - Class in com.example.skipthegas
-
This is a class that stores and contains getter methods for all attributes of a request
- RideCancelledFragment - Class in com.example.skipthegas
-
This is a class which implements a fragment displaying to a driver that a ride has been cancelled
by the rider who originally requested it
- RideCancelledFragment() - Constructor for class com.example.skipthegas.RideCancelledFragment
-
- RideCancelledFragment.OnFragmentInteractionListener - Interface in com.example.skipthegas
-
- RideConfirmedActivity - Class in com.example.skipthegas
-
This is a class that governs the ride confirmed screen
- RideConfirmedActivity() - Constructor for class com.example.skipthegas.RideConfirmedActivity
-
- RiderActivity - Class in com.example.skipthegas
-
This is a class that implements the opening screen of the Rider account
Rider is able to send requests from this screen
Rider can access their profile from this screen
Rider can logout from this screen
- RiderActivity() - Constructor for class com.example.skipthegas.RiderActivity
-
- RiderActivityTest - Class in com.example.skipthegas
-
- RiderActivityTest() - Constructor for class com.example.skipthegas.RiderActivityTest
-
- RiderProfileActivity - Class in com.example.skipthegas
-
This is a class that governs the rider profile screen
- RiderProfileActivity() - Constructor for class com.example.skipthegas.RiderProfileActivity
-
- RiderProfileActivityTest - Class in com.example.skipthegas
-
- RiderProfileActivityTest() - Constructor for class com.example.skipthegas.RiderProfileActivityTest
-
- RiderProfileEditable - Class in com.example.skipthegas
-
This is a class that governs the editable view of the rider profile screen
- RiderProfileEditable() - Constructor for class com.example.skipthegas.RiderProfileEditable
-
- rides - Variable in class com.example.skipthegas.DriverRequestFragment
-
- rule - Variable in class com.example.skipthegas.DriverDrawerActivityTest
-
- rule - Variable in class com.example.skipthegas.LogInActivityTest
-
- rule - Variable in class com.example.skipthegas.MainActivityTest
-
- rule - Variable in class com.example.skipthegas.RiderActivityTest
-
- rule - Variable in class com.example.skipthegas.SignUpActivityTest
-


In this guide we will learn how to comunicate with nunu applications embeded inside a webpage using messages and how to use DOM elements to controll app content.
To explore more about communication check the NunuApp API documentation.
To comunicate with the running application a message comunication model is used. The app or the page can send messages to each other that will be catched by callbacks used to process the information sent between them.
Its also possible to communicate between apps running on the same page, to achieve this we can pass the app objects from the page to the apps.
To send a message from the webpage to the nunuStudio aplication running the use the sendData(data) method. Data can be anything, assuming that the nunuApp is on the same JS context as the sender its possible send even object references.
To receive these messages inside the app we need to create a onAppData
function onAppData(data)
{
//TODO PROCESS RECEIVED DATA
}
Before sending data from the nunu app to the webpage we need to define a onMessageReceive callback to process received messages.
This callback can be defined using the code shown bellow.
app.setOnDataReceived(function(data)
{
//TODO PROCESS RECEIVED DATA
});


|
JTS Topology Suite version 1.13 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object com.vividsolutions.jts.operation.buffer.BufferParameters
public class BufferParameters
A value class containing the parameters which specify how a buffer should be constructed.
The parameters allow control over:
| Field Summary | |
|---|---|
static int |
CAP_FLAT
Specifies a flat line buffer end cap style. |
static int |
CAP_ROUND
Specifies a round line buffer end cap style. |
static int |
CAP_SQUARE
Specifies a square line buffer end cap style. |
static double |
DEFAULT_MITRE_LIMIT
The default mitre limit Allows fairly pointy mitres. |
static int |
DEFAULT_QUADRANT_SEGMENTS
The default number of facets into which to divide a fillet of 90 degrees. |
static int |
JOIN_BEVEL
Specifies a bevel join style. |
static int |
JOIN_MITRE
Specifies a mitre join style. |
static int |
JOIN_ROUND
Specifies a round join style. |
| Constructor Summary | |
|---|---|
BufferParameters()
Creates a default set of parameters |
|
BufferParameters(int quadrantSegments)
Creates a set of parameters with the given quadrantSegments value. |
|
BufferParameters(int quadrantSegments,
int endCapStyle)
Creates a set of parameters with the given quadrantSegments and endCapStyle values. |
|
BufferParameters(int quadrantSegments,
int endCapStyle,
int joinStyle,
double mitreLimit)
Creates a set of parameters with the given parameter values. |
| Method Summary | |
|---|---|
static double |
bufferDistanceError(int quadSegs)
Computes the maximum distance error due to a given level of approximation to a true arc. |
int |
getEndCapStyle()
Gets the end cap style. |
int |
getJoinStyle()
Gets the join style |
double |
getMitreLimit()
Gets the mitre ratio limit. |
int |
getQuadrantSegments()
Gets the number of quadrant segments which will be used |
boolean |
isSingleSided()
Tests whether the buffer is to be generated on a single side only. |
void |
setEndCapStyle(int endCapStyle)
Specifies the end cap style of the generated buffer. |
void |
setJoinStyle(int joinStyle)
Sets the join style for outside (reflex) corners between line segments. |
void |
setMitreLimit(double mitreLimit)
Sets the limit on the mitre ratio used for very sharp corners. |
void |
setQuadrantSegments(int quadSegs)
Sets the number of line segments used to approximate an angle fillet. |
void |
setSingleSided(boolean isSingleSided)
Sets whether the computed buffer should be single-sided. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final int CAP_ROUND
public static final int CAP_FLAT
public static final int CAP_SQUARE
public static final int JOIN_ROUND
public static final int JOIN_MITRE
public static final int JOIN_BEVEL
public static final int DEFAULT_QUADRANT_SEGMENTS
public static final double DEFAULT_MITRE_LIMIT
| Constructor Detail |
|---|
public BufferParameters()
public BufferParameters(int quadrantSegments)
quadrantSegments
- the number of quadrant segments to usepublic BufferParameters(int quadrantSegments, int endCapStyle)
quadrantSegments
- the number of quadrant segments to useendCapStyle
- the end cap style to usepublic BufferParameters(int quadrantSegments, int endCapStyle, int joinStyle, double mitreLimit)
quadrantSegments
- the number of quadrant segments to useendCapStyle
- the end cap style to usejoinStyle
- the join style to usemitreLimit
- the mitre limit to use| Method Detail |
|---|
public int getQuadrantSegments()
public void setQuadrantSegments(int quadSegs)
mitreLimit = |quadSegs|
quadSegs
- the number of segments in a fillet for a quadrantpublic static double bufferDistanceError(int quadSegs)
quadSegs
- the number of segments used to approximate a quarter-circle
public int getEndCapStyle()
public void setEndCapStyle(int endCapStyle)
CAP_ROUND
, CAP_FLAT
, and CAP_SQUARE
.
The default is CAP_ROUND.
endCapStyle
- the end cap style to specifypublic int getJoinStyle()
public void setJoinStyle(int joinStyle)
JOIN_ROUND
(which is the default),
JOIN_MITRE
and {link JOIN_BEVEL}.
joinStyle
- the code for the join stylepublic double getMitreLimit()
public void setMitreLimit(double mitreLimit)
mitreLimit
- the mitre ratio limitpublic void setSingleSided(boolean isSingleSided)
The side used is determined by the sign of the buffer distance:
The End Cap Style for single-sided buffers is always ignored, and forced to the equivalent of CAP_FLAT.
isSingleSided
- true if a single-sided buffer should be constructedpublic boolean isSingleSided()
|
JTS Topology Suite version 1.13 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |


The Monolith Monsters (1957) 77m.
The only movie about killer rocks you'll ever see. It's hard to believe such a story pitch was ever greenlighted, and just as unbelievable to see that it actually works. Concept is similar to that of J.G. Ballard's creepy novel 'The Crystal World', and execution follows the pattern of other more well-known genre films of the time: it has an ominous opening narration (usually a prerequisite for these films); a desert setting (always popular, since this gives the monster more time to roam about killing wayfarers before it reaches the already-alerted community nearby); a hero who works for the government with some military/scientific background; his girlfriend (subject for possible paper: Why are the leading couples never married in 1950s SF/horror films?); a quasi-scientific rationale for the monster's creation; and a race against time to find a means of defeating the invading creature. Where it differs most dramatically is the choice of monster. It falls back on that SF staple, the silicon-based lifeform - if it is a lifeform. The monoliths of the title are spires of obsidian, neither living nor dead. Their only means of movement is to grow into spindly obelisks which then splinter and topple forward. This is one of the few monster movies you'll see where you feel nothing whatsoever towards the monster (e.g. pity, revulsion, admiration, fear), but perversely it is this complete lack of connection that makes the monsters more threatening - they are truly alien.
Film manages to maintain interest despite sticking to formula - the effects are good (and original); the dialogue isn't embarrassing (there's only one silly line, when hero Grant Williams remarks "You're absolutely right, it's ridiculous - but that's what they said about the wheel when someone first thought of it."); and the time element is used effectively to convey a sense of menace. My favorite moment is when Williams and his colleague are alone in a workshop trying to determine the cause of the rocks' growth, unaware that it is starting on a major scale all around them. It's too bad the film didn't work more of these ironies into the story - for example, the fact that the technology they're using to find a way to defeat the monsters is all mineral-based (at one point an early victim is kept alive for a while in an iron lung!). The science is just as specious here as in other genre pics, but at least this time around it sounds convincing. Pretty much overlooked, but just as deserving of attention as some of those other SF 'classics' that were around at the time.
The review above was posted to the
rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
The Internet Movie Database accepts no responsibility for the contents of the
review and has no editorial control. Unless stated otherwise, the copyright
belongs to the author.
Please direct comments/criticisms of the review to relevant newsgroups.
Broken URLs inthe reviews are the responsibility of the author.
The formatting of the review is likely to differ from the original due
to ASCII to HTML conversion.
Related links: index of all rec.arts.movies.reviews reviews


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@Acura the text says
Decentralized exchange built on top of Komondo KMD with support of their tokens and also main coins like BTC, DASH, DOGE and ETH. Uses atomic swaps for trading
atomicDEX doesn't use our tokens
can you ask that to be changed too?
this should be better
Decentralized exchange built by the Komondo KMD team. Lists main coins like BTC, DASH, DOGE and ETH. Uses atomic swaps for trading.


Members
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Click on a community area to see more detail.
The problem: Given history of crime in Chicago up to day x, predict whether there will be a violent crime committed in a given community area on day x + 1.
The approach: We used two machine learning models and a naive baseline to predict violent crime.
The results: We tested each algorithm against a random sample fo 2500 days between January 1, 2005 and April 3, 2015. Sequential did poorly across the board. This map compares the performance of the non-sequential and baseline algorithms in each community area.
Darker green means non-sequential did better.
Days with violent crime since 2001: %
One of our big questions was what class of machine learning model would be best suited to this problem. Should we use a sequential model that takes the order of crime history into account? With clever data munging, could a nonsequential model do just as well? And will either approach beat a naive baseline that just predicts crime if a neighborhood has seen enough crime in the last thirty days?
Crime prediction is sequential in nature. Given a sequence of days with or without violent crime, do we expect a violent crime the next day? We call models that consider the order of training examples sequential. Hidden Markov models and recurrent neural networks are examples of sequential models. We used a hidden Markov model. We used thehmmlearn library.
A nonsequential model like Naive Bayes or logistic regression considers each training example independently of its temporal sequence. However, we cheated by baking history into the training examples. During preprocessing, we add data about criminal activity in the past week and month to each day's feature vector. With this janky temporality, nonsequential classifiers have a fighting chance. We used scikit-learn's logistic regression.
It's fun to play with fancy algorithms, but do they buy us anything for this problem? We made a simple baseline predictor to find out. Given a day to predict, the baseline will predict violent crime if at least 15 of the last 30 days in that community area had violent crime. This naive predictor can be distressingly effective.
For one algorithm to be ranked above another, it must have performed significantly better. We tested significance with a Z-test at 95% confidence.


From an Organization Management member account, add yourself to Exchange Windows Permissions. This is possible by default (see the above technet page).
$id = [Security.Principal.WindowsIdentity]::GetCurrent()
$user = Get-ADUser -Identity $id.User
Add-ADGroupMember -Identity "Exchange Windows Permissions" -Members $user
RELOG to update groups in your token then give yourself Ds-Replication-Get-Changes-All extended right on the domain object.
$acl = get-acl "ad:DC=test,DC=local"
$id = [Security.Principal.WindowsIdentity]::GetCurrent()
$user = Get-ADUser -Identity $id.User
$sid = new-object System.Security.Principal.SecurityIdentifier $user.SID
# rightsGuid for the extended right Ds-Replication-Get-Changes-All
$objectguid = new-object Guid 1131f6ad-9c07-11d1-f79f-00c04fc2dcd2
$identity = [System.Security.Principal.IdentityReference] $sid
$adRights = [System.DirectoryServices.ActiveDirectoryRights] "ExtendedRight"
$type = [System.Security.AccessControl.AccessControlType] "Allow"
$inheritanceType = [System.DirectoryServices.ActiveDirectorySecurityInheritance] "None"
$ace = new-object System.DirectoryServices.ActiveDirectoryAccessRule $identity,$adRights,$type,$objectGuid,$inheritanceType
$acl.AddAccessRule($ace)
Set-acl -aclobject $acl "ad:DC=test,DC=com"


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From this list, choose the scope in which the compiler will work when you click Compile and choose Compile All in the TypeScript tool window. The
available options are:
- All Places:
all the scopes listed below.
- Project Files:
all the files within the project content roots (see Content roots).
- Project Production Files:
all the files within the project content roots excluding test sources.
- Project Test Files:
all the files within the project test source roots.
- Scratches and Consoles:
all the files from the Scratches and Consoles directory located in the Project tool window.
- Open Files:
all the files that are currently opened in the editor.
- Current File:
the file opened in the active editor tab.
VCS Scopes: these scopes are only available if your project is
under version control.
- All Changed Files:
all changed files, that is, all files associated with all existing changelists.
- Default Changelist:
all the files associated with the changelist
Default
.
Alternatively, click the Browse button and configure a custom scope
in the Scopes dialog that opens.
For more details on scopes, see the pages Scopes.


Custom SourceBuffers
Overview
Technically speaking SourceBuffer
s are browser objects allowing JavaScript
applications to “append” media segments for them to be decoded at the right time
through their attached media element (e.g. <audio>
or <video>
media
elements).
The browser usually already defines audio and video SourceBuffers
. This
directory allows us to implement more “Custom” SourceBuffers
such as text
for subtitles.
The implementation of those Custom SourceBuffers
is done to be the closest
possible to the ones implemented by the browser.
Let’s say for example that we want to implement a custom SourceBuffer for text contents. This custom SourceBuffer will have to:
- update its buffered information
- call the corresponding text parser
- display the right subtitle at the right timecode


>
This is part of the old website. New website begins at fontforge.github.io
Are you a web developer? Help us migrate this page on Github
Hot Keys are now configurable through a gettext based mechanism.
The above descriptions assume you are using a keyboard for an IBM pc or compatible. But different keyboard vendors label their keys differently and different versions of X may map them differently.
I am aware of the following significant differences:
FontForge will attempt to guess what keyboard you are using and produce menus with hot-key indicators that match the host machine. If you are displaying on a different machine from the one you are running on the menu names may be wrong. You can fix this up with the keyboard resource, or the -keyboard command line argument.
| Tool | Modifier | Result | Tool | Modifier | Result | ||||
|---|---|---|---|---|---|---|---|---|---|
| pointer | Shift | Constrain horizontal/vert or italic angle/45° | Magnify |
|
|
||||
| Alt | Select control points before normal points | ||||||||
| Shift-Alt | Constrain control point motion to original angle from point | ||||||||
| freehand | Shift | Constrain horizontal/vert/45° | scroll | Shift | Constrain scroll either in single direction or by same amount in both directions |
||||
| add curve | Shift | Constrain horizontal/vert/45° from last point | add corner | Shift | Constrain horizontal/vert/45° from last point | ||||
| add tangent | Shift | Constrain horizontal/vert/45° from last point | pen | Shift | Constrain points h/v/45 from last point Constrain control points h/v/45 from point |
||||
| knife | Shift | Constrain horizontal/vert/45° | ruler | Shift | Constrain measurement to one direction | ||||
| Alt | Give current position more accurately | ||||||||
| scale | Shift | Constrain either to scale along x or y axis or scale both axes the same |
flip | ||||||
| rotate | Shift | Constrain rotation to a multiple of 45° | skew | ||||||
| 3d rotate | perspective | ||||||||
| rect/elipse | Shft | square/circle | polygon/star | Shift | Constrains so that one of the vertices is horizontal/vertical/45° |
Control |
Makes the arrow keys scroll |
| Alt | Makes the arrow keys move by ten times as much as they would otherwise |


QuickTableView is a toolset to make interacting with UITableView
in Swift fast and easy. If you’ve ever dreaded writing the boilerplate required to make even the simplest tableview, you’re going to love it.
QuickTableView uses Semantic Versioning.
Please read the documentation for more information.
What’s Included
- [x]
UITableViewCell
subclasses for common cell types, with built-in Auto Layout support. - [x] A drop-in replacement for
UITableViewController
that automatically updates constraints based on keyboard appearance. - [x] A clean, enum-based approach that greatly simplifies
UITableView
row and section management. - [x] Much, much more!
Usage
To run the example project, clone the repo, and run pod install
from the Example directory first.
Installation
QuickTableView is available through CocoaPods. To install it, simply add the following line to your Podfile:
pod "QuickTableView"
Author
Dan Loewenherz<EMAIL_ADDRESS>License
QuickTableView is available under the Apache 2.0 license. See the LICENSE file for more info.


File Formats¶
Current format support: (e = endianness; B = big, l = little, * = either)
| Format | e | Command | Creates/modifies |
|---|---|---|---|
| miniSEED | B | readmseed! | existing SeisData |
| B | readmseed | new SeisData | |
| SAC | * | readsac | new SeisData |
| * | sachdr | dumps header to stdout | |
| l | writesac | sac files on disk | |
| SEG Y | B | readsegy (a) | new SeisData |
| B | segyhdr | dumps header to stdout | |
| UW | B | readuw | new SeisEvent |
| B | uwpf! | existing SeisEvent | |
| B | uwpf | new SeisHdr | |
| B | uwdf | new SeisData | |
| win32 | B | readwin32 | new SeisData |
- Use keyword PASSCAL=true for PASSCAL SEG Y.
Format Descriptions¶
miniSEED: SEED stands for Standard for the Exchange of Earthquake Data; the data format is used by FDSN as a universal omnibus-type standard for seismic data. miniSEED is a data-only format with a limited number of blockette types. [1]
SAC: widely-used data format developed for the Seismic Analysis Code interpreter, supported in virtually every programming language. [2] [3] [4]
SEG Y: standard energy industry seismic data format, developed and maintained by the Society for Exploration Geophysicists(a) [5] A single-channel SEG Y variant format, referred to here as “PASSCAL SEG Y” was developed by PASSCAL/New Mexico Tech and is used with PASSCAL field equipment. [6]
UW: the University of Washington data format was designed for event archival. A UW event is described by a pickfile and a corresponding data file, whose names are identical except for the last character, e.g.<PHONE_NUMBER>5o,<PHONE_NUMBER>5W.(b)
Win32 : data format developed by the NIED (National Research Institute for Earth Science and Disaster Prevention), Japan. Data are typically divided into files that contain a minute of continuous data from channels on a single network or subnet; data within each file are stored by channel as variable-precision integers in 1s segments. Channel information for each stream is retrieved from a channel information file.(c) [7] [8]
Usage Warnings¶
(a) SEG Y v \(\le\) rev 1 is supported. Trace header field definitions in SEG Y are not ridigly controlled by any central authority, so some industry SEG Y files may be unreadable. Please address questions about unreadable SEG Y files to their creators.
(b) UW data format has no online documentation. Please contact the SeisIO creators or the Pacific Northwest Seismic Network (University of Washington, United States) if additional help is needed to read these files.
(c) Win32 channel information files are not ridigly controlled by any central authority; thus, inconsistencies in channel parameters (e.g. gains) are known to exist. Please remember that redistribution of Win32 files is strictly prohibited by the NIED.
External References
| [1] | FDSN SEED manual: https://www.fdsn.org/seed_manual/SEEDManual_V2.4.pdf |
| [2] | SAC data format intro: https://ds.iris.edu/ds/nodes/dmc/kb/questions/2/sac-file-format/ |
| [3] | SAC file format: https://ds.iris.edu/files/sac-manual/manual/file_format.html |
| [4] | SAC software homepage: https://seiscode.iris.washington.edu/projects/sac |
| [5] | SEG Y Wikipedia page: http://wiki.seg.org/wiki/SEG_Y |
| [6] | PASSCAL SEG Y trace files: https://www.passcal.nmt.edu/content/seg-y-what-it-is |
| [7] | How to use Hi-net data: http://www.hinet.bosai.go.jp/about_data/?LANG=en |
| [8] | WIN data format (in Japanese): http://eoc.eri.u-tokyo.ac.jp/WIN/Eindex.html |
File I/O Functions¶
-
readmseed
(fname)¶
-
readmseed!(S, fname)
Read miniSEED data file fname
into a new or existing SeisData structure.
-
readsac
(fname[, full=false::Bool])¶
-
rsac
(fname[, full=false::Bool])¶
Read SAC data file fname
into a new SeisData structure. Specify keyword full=true
to save all SAC header values in field :misc
.
-
readsegy
(fname[, passcal=true::Bool])¶
Read SEG Y data file fname
into a new SeisData structure. Use keyword passcal=true
for PASSCAL-modified SEG Y.
-
readuw
(fname)¶
Read UW data file into new SeisData structure. fname
can be a pick file (ending in [a-z]), a data file (ending in W), or a file root (numeric UW event ID).
-
readwin32
(fstr, cf)¶
Read win32 data from files matching pattern fstr
into a new SeisData structure using channel information file cf
. fstr
can be a path with wild card filenames, but cannot use wild card directories.
..function:: rlennasc(fname)
Read Lennartz-formatted ASCII file into a new SeisData structure.
-
rseis
(fname)¶
Read SeisIO native format data into an array of SeisIO structures.
-
sachdr
(fname)¶
Print headers from SAC file to stdout.
-
segyhdr
(fname[, PASSCAL=true::Bool])¶
Print headers from SEG Y file to stdout. Specify passcal=true
for PASSCAL SEG Y.
-
uwdf
(dfname)¶
Parse UW event data file dfname
into a new SeisEvent structure.
-
uwpf!(evt, pfname)
Parse UW event pick file into SeisEvent structure.
-
uwpf
(pfname)¶
Parse UW event pick file pfname
into a new SeisEvent structure.
-
writesac
(S[, ts=true])¶
-
wsac
(S[, ts=true])¶
Write SAC data to SAC files with auto-generated names. Specify ts=true to write time stamps; this will flag the file as generic x-y data in the SAC interpreter.
-
wseis
(fname, S)¶
-
wseis
(fname, S, T, U)
Write SeisIO data to fname. Multiple objects can be written at once.


Deceptive Trade
by BRIEFAUSTIN, Texas — Texas accuses Vickery-Young & Associates, Jamie W. Vickery, Amber Vickery, et al., all of Kentucky, of deceptive trade and abusive telemarketing, in Travis County Court.
Copyright © 2019 courthousenews.com
AUSTIN, Texas — Texas accuses Vickery-Young & Associates, Jamie W. Vickery, Amber Vickery, et al., all of Kentucky, of deceptive trade and abusive telemarketing, in Travis County Court.
Copyright © 2019 courthousenews.com


Certifications
Postgraduate
Diploma of Database Development 2006-2007
Universidad Jorge Tadeo Lozano, Bogota - Colombia
Core content :
- Advanced Database Design.
- Database Optimization.
- Data Warehousing.
- Design of BI Applications.
Bachelor
Bachelor of Systems Engineering IT 1997-2002
Universidad Santiago de Cali, Cali - Colombia
Core content :
- Engineering Mathematics.
- Fundamentals of Hardware.
- Computer Systems analysis.
- Algorithms and Data Structures.
- Optimization of algorithms and methods.
- Object Oriented Software Design.
- Signals and Telematics.
- Systems Engineering and Project Management.


Day 30:
thirty days
Day 29:
mesh
Day 28:
hyperspace
Day 27:
particles
Day 26:
scaffolding
Day 25:
angel
Day 24:
more displacement
Day 23:
displacement
Day 22:
curves
Day 21:
alignment
Day 20:
paper
Day 19:
year of the luigi
Day 18:
volumetric
Day 17:
busy
Day 16:
waves
Day 15:
collapsing mesh
Day 14:
counting
Day 13:
hyrax
Day 12:
rainbow zebra
Day 11:
glitch post processing
Day 10:
color space
Day 09:
stress
Day 08:
TesseracT: Altered State
Day 07:
fridge
Day 06:
storm
Day 05:
germs
Day 04:
sapphire
Day 03:
trees
Day 02:
cake cake cake cake
Day 01:
Galaxy


{% extends 'gui/base.html' %} {% block content %} Delete this store This action is irreversible and will remove all information related to this store. (Invoices, Apps etc...) {% csrf_token %} Delete this store {% endblock content %}
This action is irreversible and will remove all information related to this store. (Invoices, Apps etc...)


Between the migration crisis, the threat of terrorism, the rise of populism, the eurozone’s economic struggles and the Brexit vote, the very foundations of European integration have been called into question in recent years. But Emmanuel Macron’s victory in the French election and the prospect of a new grand coalition in Germany have raised hopes that a new European dawn could be in store. Undoubtedly, Nico would have been able to tell this story like few others in his profession: just consider some of his most famous work, from his creation of a Mars Bar index – “a currency for our time” - to his division of the world, and its politicians, into the “soggy” and the “crunchy”.
So in this momentous year for Europe, here is your chance to emulate one of the finest reporters of his generation, and launch a career in the exciting world of journalism at two of the most global and prestigious news organisations. Below are the details.
What do the prizes involve and who is eligible?
Two awards are on offer: one, for a British or Irish applicant, will consist of a three-month fellowship in continental Europe at The Economist; the other, for an applicant from elsewhere in the European Union, will be in London at the Financial Times also lasting three months. The fellowships are open only to EU citizens. Both winners will receive a bursary of £6,000 to cover accommodation and travel.
Who are the fellowships suited for?
The fellowships are intended for aspiring or early-career journalists with bold ideas and a lively writing style, each capable of adapting to the excitement and pressures of a modern newsroom. The fellow should have a particular interest and curiosity about European affairs, as the prize aims to help continental writers understand Britain and British writers understand Europe.
What is this year’s subject?
What is Europe’s greatest weakness? Please choose the country, institution, or issue that is of greatest concern.
How to apply?
Please send a submission on the subject above, together with a CV and covering letter. The submission can be:
- an unpublished written article, blog post or data-rich essay of max 850 words (pdf or doc)
- an unpublished 2-minute video (avi or mp4)
- an unpublished 2-minute podcast (mp3)
Please make sure you submit your work in one of the formats specified. Big files can be sent using a file transfer or file hosting service or by submitting a password-protected link.
Entries should be sent, by the closing date of April 6th 2018, by e-mail to<EMAIL_ADDRESS>Shortlisted candidates will be asked to provide confirmation of their citizenship.
Successful applicants will be notified by the end of May 2018.
I had been thinking about academia then decided that wasn't for me. But I wasn't sure what to do instead. The Nico Colchester fellowship kindled my enthusiasm for journalism because I figured out this was something I could do
John Prideaux
US editor, The Economist
John was awarded the Nico Colchester fellowship in 2003, spending three months at the Financial Times in Brussels. After the fellowship, he wrote freelance for The Economist and the New Statesman for some time. Eventually, he became an intern at The Economist, which led to a job covering British politics. He has been there ever since, at the moment as US editor.
The Nico Colchester fellowship actually changed my professional plans. I enjoyed it so much I decided to pursue a career in journalism
Viktoria Dendrinou
Brussels correspondent, The Wall Street Journal
Viktoria was awarded the Nico Colchester fellowship in 2011, spending three months at The Economist in London. Afterwards, she went on to Reuters, starting as an intern, and then moved on to Breakingviews, the commentary side of Reuters, writing mainly about macroeconomics. In the Spring of 2014 she began working for the Wall Street Journal in Brussels and is still here covering EU economic and financial news.
The Nico Colchester fellowship launched my journalism career in a way that I will always be thankful for, giving me a passion for the newsroom, writing and reporting
James Politi
Rome Bureau Chief, Financial Times
James was awarded the Nico Colchester fellowship in 2000, spending three months at the Financial Times in London. He then joined the FT’s graduate trainee scheme, eventually taking up the role of US deals correspondent in New York, covering Wall Street. He later moved to Washington as economics and trade correspondent, and is now Rome Bureau Chief.
The Nico Colchester fellowship award has had a decisive impact on my life, as I had never contemplated working in Brussels or following European politics before starting my internship
Jennifer Rankin
Brussels correspondent, The Guardian
Jennifer was awarded the Nico Colchester fellowship in 2006, spending three months at The Economist in Brussels. After the fellowship, she spent five years as a freelance journalist in Brussels and Moscow, working for the Scotsman, the Irish Times and Reuters. In 2012 she joined The Guardian in London and in 2016 was appointed Brussels correspondent for The Guardian.
See a list of all previous Nico Colchester fellowship award winners


Due to your association having 10 or fewer homes, you must pay annually. Sorry! You can learn more here.
Get 1 month free! Comes out to ${{$ctrl.settings.premiumPlanCostDollars * 0.92 | number:2}}/mo.
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Looped
d3
animations of basic comparison sorts
Bubblesort
Lap:
0
Insertion sort
Lap:
0
Mergesort
Lap:
0
Heapsort
Lap:
0
Quicksort
Lap:
0


var returnUrl: String?
The URL to redirect your customer back to after they authenticate or cancel their payment on the payment method’s app or site. If you’d prefer to redirect to a mobile application, you can alternatively supply an application URI scheme. This parameter is only used for cards and other redirect-based payment methods.
See return_url.


At club santaRaha umoja (Nairobi)
Hanging out with fellow rugby player
chilling out with andrew omonde kenya 7s
paddy the musician "with bro frank"
Dj Arika this was great


Add your property
Your Property:
Please upload a picture of your property:
Property information
Are Pets Allowed?:
Yes
No
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Please describe your property:


class Route
Schema Information¶ ↑
Table name: routes
id :integer not null, primary key name :string(255) lat :float long :float total_distance :float mode :integer start_picture_id :integer end_picture_id :integer created_at :datetime updated_at :datetime start_time :datetime end_time :datetime total_time :integer user_id :integer
Constants
- MIN_DISTANCE
Public Class Methods
record(user, points)
click to toggle source
Records a new route for the given user
Parameters¶ ↑
user
-
the user who the route is being recorded against
points
-
an array of points to be created as RoutePoints
Returns¶ ↑
The recorded route
# File app/models/route.rb, line 66 def self.record(user, points) if points.blank? return { error: "No route points" } end # Randomise trim amount within range trim_amount = 0.1 + (rand * 0.05) # Calculate route distance total_dist = points.each_with_index.inject(0) do |dist, (elem, index)| if index >= points.length - 1 dist else next_point = points[index+1] next_coords = [next_point[:lat], next_point[:long]] coords = [elem[:lat], elem[:long]] dist += Geocoder::Calculations.distance_between(coords, next_coords) end end return unless total_dist >= MIN_DISTANCE previous_coords = nil distance_covered = 0 points = points.inject([]) do |acc, point| coords = [point[:lat], point[:long]] if previous_coords.present? distance_covered += Geocoder::Calculations.distance_between(previous_coords, coords) if distance_covered > trim_amount and distance_covered < (total_dist-trim_amount) acc << point end end previous_coords = coords acc end # Create the route route = Route.new route.mode = "bike" route.user_id = user.id ActiveRecord::Base.transaction do # Perform all insertions in a single transaction points.each_with_index do |point, index| route_point = RoutePoint.create do |rp| rp.lat = point[:lat] rp.long = point[:long] rp.altitude = point[:altitude] rp.kph = point[:speed] if point[:speed] rp.kph = point[:kph] if point[:kph] rp.time = Time.at(point[:time].to_i) rp.vertical_accuracy = point[:vertical_accuracy] rp.horizontal_accuracy = point[:horizontal_accuracy] rp.course = point[:course] rp.street_name = point[:street_name] if point[:street_name].present? rp.route = route if index == 0 route.lat = rp.lat route.long = rp.long end if index == 0 or index == (points.length-1) rp.is_important = true end end route.points << route_point end # Save route.save route end end
summarise_routes(start_maidenhead, end_maidenhead, user)
click to toggle source
Summary of all routes between a start and end maidenhead
# File app/models/route.rb, line 241 def self.summarise_routes(start_maidenhead, end_maidenhead, user) if user.present? routes = Route.where(start_maidenhead: start_maidenhead, end_maidenhead: end_maidenhead, user_id: user.id).order('created_at DESC') else routes = Route.where(start_maidenhead: start_maidenhead, end_maidenhead: end_maidenhead).order('created_at DESC') end unique_routes = routes.inject([]) do |uniques, route| should_add = uniques.none? do |elem| route.is_similar? elem end uniques << route if should_add uniques end if unique_routes.count == 1 return unique_routes.first.summary end # Overview route = routes.first start_name = nil end_name = nil if route.points.count > 0 start_name = route.points.first.street_name end_name = route.points.last.street_name end summary = { start_maidenhead: start_maidenhead, end_maidenhead: end_maidenhead, start_name: start_name, end_name: end_name, last_route_time: route.created_at.to_i, num_instances: unique_routes.count, num_reviews: routes.pick(:review).count, } # Averages average_distance = routes.pick(:total_distance).average average_safety_rating = routes.pick(:review).pick(:safety_rating).average average_difficulty_rating = routes.pick(:review).pick(:difficulty_rating).average average_time = routes.pick(:total_time).average average_speed = (average_distance * 1000)/average_time average_environment_rating = routes.pick(:review).pick(:environment_rating).average summary[:averages] = { distance: average_distance, safety_rating: average_safety_rating, difficulty_rating: average_difficulty_rating, environment_rating: average_difficulty_rating, time: average_time, speed: average_speed } summary end
Public Instance Methods
all_uses()
click to toggle source
# File app/models/route.rb, line 50 def all_uses Rails.logger.debug "Getting uses for start #{start_maidenhead} and end #{end_maidenhead}" return unless start_maidenhead.present? and end_maidenhead.present? similar = Route.where(start_maidenhead: start_maidenhead, end_maidenhead: end_maidenhead) Rails.logger.debug "Number similar: #{similar.count}" similar.select { |route| self.is_similar? route } end
create_review(user, review_data)
click to toggle source
Records a new review against the route and the provided user
Parameters¶ ↑
user
-
user making the review
review_data
-
data needed to create the review
Returns¶ ↑
The recorded review
# File app/models/route.rb, line 147 def create_review(user, review_data) return unless review_data[:safety_rating] and review_data[:difficulty_rating] and review_data[:environment_rating] review = RouteReview.create do |review_instance| review_instance.safety_rating = review_data[:safety_rating] review_instance.difficulty_rating = review_data[:difficulty_rating] review_instance.environment_rating = review_data[:environment_rating] review_instance.comment = review_data[:comment] end self.review = review user.reviews << review if user.save and self.save review else nil end end
is_similar?(other_route)
click to toggle source
# File app/models/route.rb, line 304 def is_similar?(other_route) Rails.logger.debug "similarity score: #{similarity(self.maidenheads, other_route.maidenheads)}" similarity(self.maidenheads, other_route.maidenheads) >= 0.9 end
maidenheads()
click to toggle source
# File app/models/route.rb, line 233 def maidenheads self.points.inject([]) do |maidenhead, point| maidenhead << point.maidenhead maidenhead end end
points_data()
click to toggle source
Returns points for a route in format required by Route Controller
Returns¶ ↑
The route points
# File app/models/route.rb, line 220 def points_data points = [] route_points = RoutePoint.where(route_id: id) route_points.each do |point| points << { lat: point.lat, long: point.long, altitude: point.altitude, time: point.time } end end
summary()
click to toggle source
Returns summary of this route and all uses
Returns¶ ↑
The route details.
# File app/models/route.rb, line 169 def summary uses = self.all_uses Rails.logger.debug "USES: " + uses.inspect start_name = nil end_name = nil if points.count > 0 start_name = points.first.street_name end_name = points.last.street_name end route_summary = { id: self.id, name: self.name, start_name: start_name, end_name: end_name, start_maidenhead: self.points.first.maidenhead, end_maidenhead: self.points.last.maidenhead, last_route_time: uses.first.created_at.to_i, num_instances: uses.count, num_reviews: uses.pick(:review).count } # Averages average_distance = uses.pick(:total_distance).average reviews = uses.pick(:review) if reviews.present? average_safety_rating = reviews.pick(:safety_rating).average average_difficulty_rating = reviews.pick(:difficulty_rating).average average_environment_rating = reviews.pick(:environment_rating).average end average_time = uses.pick(:total_time).average average_speed = (average_distance * 1000)/average_time route_summary[:averages] = { distance: average_distance, time: average_time, speed: average_speed, safety_rating: average_safety_rating, difficulty_rating: average_difficulty_rating, environment_rating: average_environment_rating } route_summary end
to_coordinates()
click to toggle source
# File app/models/route.rb, line 46 def to_coordinates [lat, long] end


Ocean [bd56], ocean, in Crystal Sea
Last updated Turn #134
Ocean [bd56], ocean, in Crystal Sea
------------------------------------------------------------------------
18: Pleasure Sloop [v5n], ship, 30 hulls, 1 rowing port, 90 sails,
18: 7% damaged, arrived from Shade Wood [bd55], owner:
18: Dorothy [v1b], Pen, with one peasant, 94 sailors
19: Pleasure Sloop [v5n], ship, 30 hulls, 1 rowing port, 90 sails,
19: 7% damaged, departed for Shade Wood [be56].
Routes leaving Ocean:
North, to Ocean [bc56], 6 days
East, to Ocean [bd57], 6 days
South, forest, to Shade Wood [be56], Tenka, 2 days
West, forest, to Shade Wood [bd55], Tenka, 2 days


For Leeds.gov.uk domains, always use the Open Sans font in Regular for body text, and Montserrat External link in Bold for headings.
{% extends "page-layout-styleguide.html" %} {% block page_title %} Typography {% endblock %} {% block css_register %} {% endblock %} {% block additional_page_scripts %} {% endblock %} {% block header %} Typography {% endblock %} {% block main_nav %} {% include "includes/main_nav.html" %} {% endblock %} {% block sectionOneTop %} {% endblock %} {% block sectionOneFull%} {% endblock %} {% block breadcrumb %} {% include "includes/breadcrumb_sp.html" %} {% endblock %} {% block sectionOneContent %} {% endblock %} {% block pageContent %} {% endblock %} {% block sectionOneFullBottom %} {% endblock %} {% block sectionOneRightHandColumn %} {% endblock %} {% block sectionLeftHandColumn %}
For Leeds.gov.uk domains, always use the Open Sans font in Regular for body text, and Montserrat External link in Bold for headings.

A xlarge heading

A large heading

A medium heading

A small heading

There should only be one lead paragraph per page.
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This is a body copy paragraph. Felis at varius tincidunt, turpis dui finibus risus, ac varius libero eros ac dolor.

This is a lead paragraph. Pretium molestie ligula in, volutpat mattis libero. Aenean dapibus augue id dolor egestas, in tincidunt dolor volutpat.

This is a body copy paragraph. Felis at varius tincidunt, turpis dui finibus risus, ac varius libero eros ac dolor.

Avoid using bold and italics.
This is a body copy paragraph. Pretium molestie ligula in, volutpat mattis libero. Aenean dapibus augue id dolor egestas, in tincidunt dolor volutpat.
A supporting text paragraph. Felis at varius tincidunt, turpis dui finibus risus, ac varius libero eros ac dolor.

This is a body copy paragraph. Pretium molestie ligula in, volutpat mattis libero. Aenean dapibus augue id dolor egestas, in tincidunt dolor volutpat.

A supporting text paragraph. Felis at varius tincidunt, turpis dui finibus risus, ac varius libero eros ac dolor.

Links without surrounding text should not have a full stop at the end.
A link without surrounding text
A body copy link. Pretium molestie ligula in, volutpat mattis libero. Aenean dapibus augue id dolor egestas, in tincidunt dolor volutpat.
A body copy external link External link. Fusce dapibus, tellus ac cursus commodo.
A body copy PDF document (PDF, 1MB) External link. Fusce dapibus, tellus ac cursus commodo.
Back

A link without surrounding text

A body copy link. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.

A body copy external link External link. Fusce dapibus, tellus ac cursus commodo.

A body copy PDF document (PDF, 1MB) External link. Fusce dapibus, tellus ac cursus commodo.

Back
List items start with a lowercase letter and have no full stop at the end.

here is a bulleted list

in tincidunt dolor volutpat

est non tempus malesuada

imperdiet lorem consequat sit amet

here is a numbered list

in tincidunt dolor volutpat

est non tempus malesuada

imperdiet lorem consequat sit amet

Related link

Related link

Related link

External link External link

More

A home visit

Completion of an application form

Attending a three day training course

General medical and criminal records check (known as a Disclosure and Barring Service – DBS check)

Working with a social worker on your assessment and portfolio

Attending a fostering panel

Registration as a foster carer

Use bordered inset text to draw attention to important content on the page.
It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.
It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.
It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.
If you need to contact the council urgently when our offices are closed phone one of our emergency numbers.

It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.

It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.

It can take up to 8 weeks to register a lasting power of attorney if there are no mistakes in the application.

Emergency and out-of-hours

If you need to contact the council urgently when our offices are closed phone one of our emergency numbers.

Use text block to highlight information. For example: phone numbers, addresses and banking information.
Complete and return your form by post to:
Leeds City Council
PO BOX 60
Leeds
LS2 8JR
You can call us on:
0113 456 7676
You will need the following information:
Name of organisation: Leeds City Council
Bank and branch name: National Westminster Bank, 8 Park Row, Leeds LS1 1QS
Branch address: Head Office Collection
Account number: 00000000
Sort code: 57-12-72

Complete and return your form by post to:

Leeds City Council

PO BOX 60

Leeds

LS2 8JR

You can call us on:

0113 456 7676

You will need the following information:

Name of organisation: Leeds City Council

Bank and branch name: National Westminster Bank, 8 Park Row, Leeds LS1 1QS

Branch address: Head Office Collection

Account number: 00000000

Sort code: 57-12-72

Use bold text with an exclamation icon if there are legal consequences - for example, a fine or prison sentence.

Warning

You can be fined up to £5,000 if you don’t register.

I had the opportunity to work with a number of partners on this project and engaged with a number of senior managers across the authority.

I had the opportunity to work with a number of partners on this project and engaged with a number of senior managers across the authority.

Headteacher - Calverley Church of England Primary School

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StakeHolder Protocol applies a 5% fee to all transactions on the StakeHolder coin!! 3% of the transaction fee will be redistribute to all holders, 1% will be burned, and the rest of 1% will going to our treasure. Every 24 hours one of the holders will win a treasure box tokens via lottery. This will take place in the first week.
Day after listing we will announce our liquidity mining
program whit higher APY% in all BSC space.
Our liquidity mining program will be live, our "connect wallet"
button will work. When you connect your wallet will be able to see below the button how many lottery tickets you have!
To be one of the lucky people in our lottery who will receive tickets, you must hold StakeHolder tokens. This is the tiers for the tickets. There will be 5 winning tickets in a week. The more ticket you have the better chance to WIN!
The reward will be shared like :
• First ticket - 30% from the total prize
• Second ticket - 20%
• 3rd - 5th = 10%


@* * Copyright 2021 HM Revenue & Customs * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *@ @import includes.forms.errorSummary @import includes.backLink @import uk.gov.hmrc.urls.Link @(formForErrorSummary: Option[Form[_]] = None, displayBackLink: Boolean = false, backLinkGaEventAction: Option[String] = None, mainHeadingText: String, preHeadingText: String, headerWidthClasses: Option[String] = Some("column-two-thirds"), preHeadingAccessibleAnnouncement: String = "", customBackLinkContent: Option[Html] = None, additionalTopLinkContent: Option[Html] = None )(implicit m: Messages) @preHeadingHidden = @{ if(preHeadingAccessibleAnnouncement=="") Messages("tai.ptaHeader.accessible.preHeading") else preHeadingAccessibleAnnouncement } @if(displayBackLink) {
@preHeadingHidden @Html(preHeadingText)


I am a passionate Test engineer with 3+ years of experience in Agile and DevOps projects. I have expertise in test design and framework development for automation. I have a solid background in telecom, banking & financial services domains. Proficient in automation tools like Selenium, UFT, and Tosca.
Developed an API automation framework with Newman and Concourse integration to enable continuous testing and automatic reporting on Slack.
Performed extensive testing of microservices and end-to-end testing of Rest and SOAP related services.
Performed white Box and grey Box testing on microservices and helped in fixing potential bugs and security vulnerabilities in the early stages of SDLC.
Developed test design frameworks for order management projects following DevOps model in the telecom services domain.
Developed VBS and Excel VBA macros for automating the day-to-day tasks and helped the team save 8 man hours per sprint.
Developed a TestNG framework with Maven Dependencies in Selenium for easy cross browser testing of banking websites.
Developed a Selenium Grid framework for enabling parallel cross browser testing of banking applications.
Developed test design frameworks for online banking projects following Waterfall and Agile process models in the financial services domain.
Automated the smoke and regression suites for saving manual efforts and designed touchless automation suites.
Performed exploratory and Ad-hoc testing in addition to end-to-end testing and helped the team in finding security bugs.
CGPA: 8.15
I spend a large amount of my free time exploring the latest technology advancements in the web development & testing world. Apart from finding bugs and improving the quality of the software, I enjoy most of my time automating stuff.
I am an aspiring full stack developer and a budding stand-up comic. Books are my best company. Cricket & garlic bread are my second love, after family.


Vector driver in Python implementation tutorial
New in version 3.1.
Introduction
Since GDAL 3.1, the capability of writing read-only vector drivers in Python has been added. It is strongly advised to read the Vector driver implementation tutorial first, which will give the general principles of how a vector driver works.
This capability does not require the use of the GDAL/OGR SWIG Python bindings (but a vector Python driver may use them.)
Note: per project policies, this is considered as an "experimental" feature and the GDAL project will not accept such Python drivers to be included in the GDAL repository. Drivers aiming at inclusion in GDAL master should priorly be ported to C++. The rationale for this is that:
the correctness of the Python code can mostly be checked at runtime, whereas C++ benefits from static analysis (at compile time, and other checkers).
Python code is executed under the Python Global Interpreter Lock, which makes them not scale.
Not all builds of GDAL have Python available.
Linking mechanism to a Python interpreter
Driver location
Driver filenames must start with gdal_ or ogr_ and have the .py extension. They will be searched in the following directies:
the directory pointed by the
GDAL_PYTHON_DRIVER_PATH
configuration option (there may be several paths separated by : on Unix or ; on Windows)if not defined, the directory pointed by the
GDAL_DRIVER_PATH
configuration option.if not defined, in the directory (hardcoded at compilation time on Unix builds) where native plugins are located.
GDAL does not try to manage Python dependencies that are imported by the driver .py script. It is up to the user to make sure its current Python environment has all required dependencies installed.
Import section
Drivers must have the following import section to load the base classes.
from gdal_python_driver import BaseDriver, BaseDataset, BaseLayer
The gdal_python_driver
module is created dynamically by GDAL and is not
present on the file system.
Metadata section
In the first 1000 lines of the .py file, a number of required and optional KEY=VALUE driver directives must be defined. They are parsed by C++ code, without using the Python interpreter, so it is vital to respect the following constraints:
each declaration must be on a single line, and start with
# gdal: DRIVER_
(space character between sharp character and gdal, and between colon character and DRIVER_)the value must be a literal value of type string (except for # gdal: DRIVER_SUPPORTED_API_VERSION which can accept an array of integers), without expressions, function calls, escape sequences, etc.
strings may be single or double-quoted
The following directives must be declared:
# gdal: DRIVER_NAME
= "some_name": the short name of the driver# gdal: DRIVER_SUPPORTED_API_VERSION
= [1]: the API version(s) supported by the driver. Must include 1, which is the only currently supported version in GDAL 3.1# gdal: DRIVER_DCAP_VECTOR
= "YES": declares a vector driver# gdal: DRIVER_DMD_LONGNAME
= "a longer description of the driver"
Additional directives:
# gdal: DRIVER_DMD_EXTENSIONS
= "ext1 ext2": list of extension(s) recognized by the driver, without the dot, and separated by space# gdal: DRIVER_DMD_HELPTOPIC
= "url_to_hep_page"# gdal: DRIVER_DMD_OPENOPTIONLIST
= xml_value where xml_value is an OptionOptionList specification, like "<OpenOptionList><Option name='OPT1' type='boolean' description='bla' default='NO'/></OpenOptionList>"**and all other metadata items found in gdal.h starting with GDAL_DMD_ (resp. GDAL_DCAP) by creating an item name which starts with # gdal: DRIVER_ and the value of the GDAL_DMD_ (resp. GDAL_DCAP) metadata item. For example
#define GDAL_DMD_CONNECTION_PREFIX "DMD_CONNECTION_PREFIX"
becomes# gdal: DRIVER_DMD_CONNECTION_PREFIX
Example:
# gdal: DRIVER_NAME = "DUMMY"
# gdal: DRIVER_SUPPORTED_API_VERSION = [1]
# gdal: DRIVER_DCAP_VECTOR = "YES"
# gdal: DRIVER_DMD_LONGNAME = "my super plugin"
# gdal: DRIVER_DMD_EXTENSIONS = "foo bar"
# gdal: DRIVER_DMD_HELPTOPIC = "http://example.com/my_help.html"
Driver class
The entry point .py script must contains a single class that inherits from
gdal_python_driver.BaseDriver
.
That class must define the following methods:
- identify(self, filename, first_bytes, open_flags, open_options={})
- Parameters:
filename (str) -- File name, or more generally, connection string.
first_bytes (binary) -- First bytes of the file (if it is a file). At least 1024 (if the file has at least 1024 bytes), or more if a native driver in the driver probe sequence has requested more previously.
open_flags (int) -- Open flags. To be ignored for now.
open_options (dict) -- Open options.
- Returns:
True if the file is recognized by the driver, False if not, or -1 if that cannot be known from the first bytes.
- open(self, filename, first_bytes, open_flags, open_options={})
- Parameters:
filename (str) -- File name, or more generally, connection string.
first_bytes (binary) -- First bytes of the file (if it is a file). At least 1024 (if the file has at least 1024 bytes), or more if a native driver in the driver probe sequence has requested more previously.
open_flags (int) -- Open flags. To be ignored for now.
open_options (dict) -- Open options.
- Returns:
an object deriving from gdal_python_driver.BaseDataset or None
Example:
# Required: class deriving from BaseDriver
class Driver(BaseDriver):
def identify(self, filename, first_bytes, open_flags, open_options={}):
return filename == 'DUMMY:'
# Required
def open(self, filename, first_bytes, open_flags, open_options={}):
if not self.identify(filename, first_bytes, open_flags):
return None
return Dataset(filename)
Dataset class
The Driver.open() method on success should return an object from a class that
inherits from gdal_python_driver.BaseDataset
.
Layers
The role of this object is to store vector layers. There are two implementation
options. If the number of layers is small or they are fast to construct, then
the __init__
method can defined a layers
attribute that is a sequence of
objects from a class that inherits from gdal_python_driver.BaseLayer
.
Example:
class Dataset(BaseDataset):
def __init__(self, filename):
self.layers = [Layer(filename)]
Otherwise, the following two methods should be defined:
- layer_count(self)
- Returns:
the number of layers
- layer(self, idx)
- Parameters:
idx (int) -- Index of the layer to return. Normally between 0 and self.layer_count() - 1, but calling code might pass any value. In case of invalid index, None should be returned.
- Returns:
an object deriving from gdal_python_driver.BaseLayer or None. The C++ code will take care of caching that object, and this method will only be called once for a given idx value.
Example:
class Dataset(BaseDataset):
def layer_count(self):
return 1
def layer(self, idx):
return [Layer(self.filename)] if idx = 0 else None
Metadata
The dataset may define a metadata
dictionary, in __init__
of
key: value of type string, for the default metadata domain.
Alternatively, the following method may be implemented.
- metadata(self, domain)
- Parameters:
domain (str) -- metadata domain. Empty string for the default one
- Returns:
None, or a dictionary of key:value pairs of type string;
Other methods
The following method may be optionally implemented:
- close(self)
Called at the destruction of the C++ peer GDALDataset object. Useful to close database connections for example.
Layer class
The Dataset object will instantiate one or several objects from a class that
inherits from gdal_python_driver.BaseLayer
.
Metadata, and other definitions
The following attributes are required and must defined at __init__ time:
- name
Layer name, of type string. If not set, a
name
method must be defined.
- fields
Sequence of field definitions (may be empty). Each field is a dictionary with the following properties:
- name
Required
- type
A integer value of type ogr.OFT_ (from the SWIG Python bindings), or one of the following string values:
String
,Integer
,Integer16
,Integer64
,Boolean
,Real
,Float
,Binary
,Date
,Time
,DateTime
If that attribute is not set, a
fields
method must be defined and return such a sequence.
- geometry_fields
Sequence of geometry field definitions (may be empty). Each field is a dictionary with the following properties:
- name
Required. May be empty
- type
Required. A integer value of type ogr.wkb_ (from the SWIG Python bindings), or one of the following string values:
Unknown
,Point
,LineString
,Polygon
,MultiPoint
,MultiLineString
,MultiPolygon
,GeometryCollections
or all other values returned byOGRGeometryTypeToName()
- srs
The SRS attached to the geometry field as a string that can be ingested by
OGRSpatialReference::SetFromUserInput()
, such as a PROJ string, WKT string, or AUTHORITY:CODE.
If that attribute is not set, a
geometry_fields
method must be defined and return such a sequence.
The following attributes are optional:
- fid_name
Feature ID column name, of type string. May be empty string. If not set, a
fid_name
method may be defined.
- metadata
A dictionary of key: value strings, corresponding to metadata of the default metadata domain. Alternatively, a
metadata
method that accepts a domain argument may be defined.
- iterator_honour_attribute_filter
Can be set to True if the feature iterator takes into account the
attribute_filter
attribute that can be set on the layer.
- iterator_honour_spatial_filter
Can be set to True if the feature iterator takes into account the
spatial_filter
attribute that can be set on the layer.
- feature_count_honour_attribute_filter
Can be set to True if the feature_count method takes into account the
attribute_filter
attribute that can be set on the layer.
- feature_count_honour_spatial_filter
Can be set to True if the feature_count method takes into account the
spatial_filter
attribute that can be set on the layer.
Feature iterator
The Layer class must implement the iterator interface, so typically with
a __iter__
method.
The iterator must return a dictionary with the feature content.
Two keys allowed in the returned dictionary are:
- id
Strongly recommended. The value must be of type int to be recognized as a FID by GDAL
- type
Required. The value must be the string "OGRFeature"
- fields
Required. The value must be a dictionary whose keys are field names, or None
- geometry_fields
Required. the value must be a dictionary whose keys are geometry field names (possibly the empty string for unnamed geometry columns), or None. The value of each key must be a geometry encoded as WKT, or None.
- style
Optional. The value must be a string conforming to the Feature Style Specification.
Filtering
By default, any attribute or spatial filter set by the user of the OGR API will be evaluated by the generic C++ side of the driver, by iterating over all features of the layer.
If the iterator_honour_attribute_filter
(resp. iterator_honour_spatial_filter
)
attribute of the layer object is set to True
, the attribute filter (resp.
spatial filter) must be honoured by the feature iterator method.
The attribute filter is set in the attribute_filter
attribute of the
layer object. It is a string conforming to OGR SQL.
When the attribute filter is changed by the OGR API, the attribute_filter_changed
optional method is called (see below paragraph about optional methods).
An implementation of attribute_filter_changed
may decide to fallback on
evaluation by the generic C++ side of the driver by calling the SetAttributeFilter
method (see below passthrough example)
The geometry filter is set in the spatial_filter
attribute of the
layer object. It is a string encoding as ISO WKT. It is the responsibility of
the user of the OGR API to express it in the CRS of the layer.
When the attribute filter is changed by the OGR API, the spatial_filter_changed
optional method is called (see below paragraph about optional methods).
An implementation of spatial_filter_changed
may decide to fallback on
evaluation by the generic C++ side of the driver by calling the SetSpatialFilter
method (see below passthrough example)
Optional methods
The following methods may be optionally implemented:
- extent(self, force_computation)
- Returns:
the list [xmin,ymin,xmax,ymax] with the spatial extent of the layer.
- feature_count(self, force_computation)
- Returns:
the number of features of the layer.
If self.feature_count_honour_attribute_filter or self.feature_count_honour_spatial_filter are set to True, the attribute filter and/or spatial filter must be honoured by this method.
- feature_by_id(self, fid)
- Parameters:
fid (int) -- feature ID
- Returns:
a feature object in one of the formats of the
__next__
method described above, or None if no object matches fid
- attribute_filter_changed(self)
This method is called whenever self.attribute_filter has been changed. It is the opportunity for the driver to potentially change the value of self.iterator_honour_attribute_filter or feature_count_honour_attribute_filter attributes.
- spatial_filter_changed(self)
This method is called whenever self.spatial_filter has been changed (its value is a geometry encoded in WKT) It is the opportunity for the driver to potentially change the value of self.iterator_honour_spatial_filter or feature_count_honour_spatial_filter attributes.
- test_capability(self, cap)
- Parameters:
string (cap) -- potential values are BaseLayer.FastGetExtent, BaseLayer.FastSpatialFilter, BaseLayer.FastFeatureCount, BaseLayer.RandomRead, BaseLayer.StringsAsUTF8 or other strings supported by
OGRLayer::TestCapability()
- Returns:
True if the capability is supported, False otherwise.
Full example
The following example is a passthrough driver that forwards the calls to the
SWIG Python GDAL API. It has no practical use, and is just intended to show
case most possible uses of the API. A real-world driver will only use part of the
API demonstrated. For example, the passthrough driver implements attribute and
spatial filters in a completely dummy way, by calling back the C++ part of the
driver. The iterator_honour_attribute_filter
and iterator_honour_spatial_filter
attributes, and the attribute_filter_changed
and spatial_filter_changed
method implementations, could have omitted with the same result.
The connection strings recognized by the drivers are "PASSHTROUGH:connection_string_supported_by_non_python_drivers". Note that the prefixing by the driver name is absolutely not a requirement, but something specific to this particular driver which is a bit artificial (without the prefix, the connection string would go directly to the native driver). The CityJSON driver mentioned in the Other examples paragraph does not need it.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This code is in the public domain, so as to serve as a template for
# real-world plugins.
# or, at the choice of the licensee,
# Copyright 2019 Even Rouault
# SPDX-License-Identifier: MIT
# gdal: DRIVER_NAME = "PASSTHROUGH"
# API version(s) supported. Must include 1 currently
# gdal: DRIVER_SUPPORTED_API_VERSION = [1]
# gdal: DRIVER_DCAP_VECTOR = "YES"
# gdal: DRIVER_DMD_LONGNAME = "Passthrough driver"
# gdal: DRIVER_DMD_CONNECTION_PREFIX = "PASSTHROUGH:"
from osgeo import gdal, ogr
from gdal_python_driver import BaseDriver, BaseDataset, BaseLayer
class Layer(BaseLayer):
def __init__(self, gdal_layer):
self.gdal_layer = gdal_layer
self.name = gdal_layer.GetName()
self.fid_name = gdal_layer.GetFIDColumn()
self.metadata = gdal_layer.GetMetadata_Dict()
self.iterator_honour_attribute_filter = True
self.iterator_honour_spatial_filter = True
self.feature_count_honour_attribute_filter = True
self.feature_count_honour_spatial_filter = True
def fields(self):
res = []
layer_defn = self.gdal_layer.GetLayerDefn()
for i in range(layer_defn.GetFieldCount()):
ogr_field_def = layer_defn.GetFieldDefn(i)
field_def = {"name": ogr_field_def.GetName(),
"type": ogr_field_def.GetType()}
res.append(field_def)
return res
def geometry_fields(self):
res = []
layer_defn = self.gdal_layer.GetLayerDefn()
for i in range(layer_defn.GetGeomFieldCount()):
ogr_field_def = layer_defn.GetGeomFieldDefn(i)
field_def = {"name": ogr_field_def.GetName(),
"type": ogr_field_def.GetType()}
srs = ogr_field_def.GetSpatialRef()
if srs:
field_def["srs"] = srs.ExportToWkt()
res.append(field_def)
return res
def test_capability(self, cap):
if cap in (BaseLayer.FastGetExtent, BaseLayer.StringsAsUTF8,
BaseLayer.RandomRead, BaseLayer.FastFeatureCount):
return self.gdal_layer.TestCapability(cap)
return False
def extent(self, force_computation):
# Impedance mismatch between SWIG GetExtent() and the Python
# driver API
minx, maxx, miny, maxy = self.gdal_layer.GetExtent(force_computation)
return [minx, miny, maxx, maxy]
def feature_count(self, force_computation):
# Dummy implementation: we call back the generic C++ implementation
return self.gdal_layer.GetFeatureCount(True)
def attribute_filter_changed(self):
# Dummy implementation: we call back the generic C++ implementation
if self.attribute_filter:
self.gdal_layer.SetAttributeFilter(str(self.attribute_filter))
else:
self.gdal_layer.SetAttributeFilter(None)
def spatial_filter_changed(self):
# Dummy implementation: we call back the generic C++ implementation
# the 'inf' test is just for a test_ogrsf oddity
if self.spatial_filter and 'inf' not in self.spatial_filter:
self.gdal_layer.SetSpatialFilter(
ogr.CreateGeometryFromWkt(self.spatial_filter))
else:
self.gdal_layer.SetSpatialFilter(None)
def _translate_feature(self, ogr_f):
fields = {}
layer_defn = ogr_f.GetDefnRef()
for i in range(ogr_f.GetFieldCount()):
if ogr_f.IsFieldSet(i):
fields[layer_defn.GetFieldDefn(i).GetName()] = ogr_f.GetField(i)
geom_fields = {}
for i in range(ogr_f.GetGeomFieldCount()):
g = ogr_f.GetGeomFieldRef(i)
if g:
geom_fields[layer_defn.GetGeomFieldDefn(
i).GetName()] = g.ExportToIsoWkt()
return {'id': ogr_f.GetFID(),
'type': 'OGRFeature',
'style': ogr_f.GetStyleString(),
'fields': fields,
'geometry_fields': geom_fields}
def __iter__(self):
for f in self.gdal_layer:
yield self._translate_feature(f)
def feature_by_id(self, fid):
ogr_f = self.gdal_layer.GetFeature(fid)
if not ogr_f:
return None
return self._translate_feature(ogr_f)
class Dataset(BaseDataset):
def __init__(self, gdal_ds):
self.gdal_ds = gdal_ds
self.layers = [Layer(gdal_ds.GetLayer(idx))
for idx in range(gdal_ds.GetLayerCount())]
self.metadata = gdal_ds.GetMetadata_Dict()
def close(self):
del self.gdal_ds
self.gdal_ds = None
class Driver(BaseDriver):
def _identify(self, filename):
prefix = 'PASSTHROUGH:'
if not filename.startswith(prefix):
return None
return gdal.OpenEx(filename[len(prefix):], gdal.OF_VECTOR)
def identify(self, filename, first_bytes, open_flags, open_options={}):
return self._identify(filename) is not None
def open(self, filename, first_bytes, open_flags, open_options={}):
gdal_ds = self._identify(filename)
if not gdal_ds:
return None
return Dataset(gdal_ds)
Other examples
Other examples, including a CityJSON driver, may be found at https://github.com/OSGeo/gdal/tree/master/examples/pydrivers


About Hariharan Srinath
I have been driven by curiosity since my childhood and my life took a decidedly geeky turn at the age of eleven in early 90s when I taught myself computer programming in the BASIC Language from IBM Personal Computer manuals in my father’s office. Though I have pursued other avenues in higher education and career, coding has been a lifelong hobby to which I have recently added tinkering with hobby electronics.
I have degrees in Metallurgical Engineering (Indian Institute of Technology, Benaras Hindu University, Varanasi) and Management (Indian Institute of Management, Ahmedabad). I contributed to a paper on steel-making during my undergraduate internship in the Royal Institute of Technology, Stockholm.
I have been working at Procter & Gamble since 2006 in the field of consumer insights & analytics. The major area of expertise I have developed over the years is in emerging market sales & distribution recently leading analytic capabilities in this space globally. I also have significant experience in the areas of traditional & digital media planning, modern retail, segmentation, trial/sampling programs and application of behavioral science to consumer communications. I currently work in a global innovation role focused on developing new insights & analytics capabilities using emerging technologies.
I am based out of Mumbai, married to Deepa and we have a daughter.


Docker¶
The following document briefly describes:
the installation of Docker CE
a solution for utilizing Open3D with GUI/visualization under Docker
the use of Docker images for testing Open3D without a GUI
Ubuntu installation¶
Warning
For the latest and most accurate installation guide see the official documentation at Docker-CE install.
The prefered installation mode is to use the official Docker repository.
Install dependencies:
$ sudo apt update && \
sudo apt upgrade -y && \
sudo apt install -y \
curl \
apt-transport-https \
ca-certificates \
software-properties-common
Add Docker’s official GPG key:
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
Manually verify that the key is 9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88
:
$ sudo apt-key fingerprint 0EBFCD88
Set up the stable repository:
$ sudo add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
$ sudo apt update
Install the latest version:
$ sudo apt install -y docker-ce
Verify the installation:
$ sudo docker run hello-world
The verification will timeout if running behind a proxy:
Unable to find image 'hello-world:latest' locally
In order to address this problem see the Docker daemon proxy settings.
Optional steps
Docker Post-installation steps for Linux
Add user to “docker” group
This will eliminate the need to use sudo in order to run docker commands.
$ sudo usermod -aG docker <user_name>
Warning
Proxy settings¶
Docker daemon¶
In order to solve the hello-world issue above follow the Docker proxy settings.
Create a systemd drop-in directory for the docker service:
$ sudo mkdir -p /etc/systemd/system/docker.service.d
$ sudo touch /etc/systemd/system/docker.service.d/http-proxy.conf
$ sudo ne /etc/systemd/system/docker.service.d/http-proxy.conf
[Service]
Environment="HTTP_PROXY=server:port" "NO_PROXY=localhost;<IP_ADDRESS>"
$ sudo touch /etc/systemd/system/docker.service.d/https-proxy.conf
$ sudo ne /etc/systemd/system/docker.service.d/https-proxy.conf
[Service]
Environment="HTTPS_PROXY=server:port/" "NO_PROXY=localhost;<IP_ADDRESS>"
Flush changes and restart Docker:
$ sudo systemctl daemon-reload
$ sudo systemctl restart docker
Verify that the configuration has been loaded:
$ systemctl show --property=Environment docker
Docker container¶
The docker container proxy settings must be set in order to enable features like apt install in your container. This can be accomplished either in the Dockerfile itself or by using a global mechanism like chameleonsocks.
Dockerfile
Take a look at the first few lines of the example Dockerfile
:
3 4 5 6 7 8 9 10 | # ENV http_proxy ""
# ENV HTTP_PROXY ""
# ENV https_proxy ""
# ENV HTTPS_PROXY ""
# ENV ftp_proxy ""
# ENV socks_proxy ""
# ENV no_proxy ""
# ENV ALL_PROXY ""
|
Uncommenting and settings these environment variables does the job.
chameleonsocks
Another way to set the proxy settings of the container is to use chameleonsocks which is a mechanism to redirect SOCKS or HTTP proxies.
chameleonsocks has the advantage that the Dockerfile doesn’t need changing based on network configuration circumstances. However it can conflict with other proxy settings on your host system. When that happens stopping the chameleonsocks container addresses the conflicts.
$ cd ~
$ mkdir chameleonsocks
$ cd chameleonsocks
$ https_proxy=<https://server:port \
wget https://raw.githubusercontent.com/crops/chameleonsocks/master/chameleonsocks.sh && \
chmod 755 chameleonsocks.sh
In order to properly set the proxy settings edit the proxy settings inside the chameleonsocks.sh file:
# This is the domain name or ip address of your proxy server. It must
# be defined or nothing will work. Do not specify a protocol type
# such as http:// or https://.
: ${PROXY:=server}
# This is the port number of your proxy server
: ${PORT:=port}
# Possible PROXY_TYPE values: socks4, socks5, http-connect, http-relay
: ${PROXY_TYPE:=socks5}
# a file containing local company specific exceptions
: ${EXCEPTIONS:=chameleon.exceptions}
# Autoproxy url, this is often something like
# http://autoproxy.server.com or http://wpad.server.com/wpad.out
# ONLY additional exceptions are pulled from here. not the proxy
: ${PAC_URL=http://wpad.server.com/wpad.dat}
Create the chameleon.exceptions file:
$ touch chameleon.exceptions
$ ne chameleon.exceptions
server.com
.server.com
localhost
<IP_ADDRESS>
Install chameleonsocks:
$ ./chameleonsocks.sh --install
NOTE: the chameleonsocks.exceptions file disappears after the install step above.
DNS servers¶
In order to specify DNS servers for docker
edit /etc/docker/daemon.json
on the host:
$ sudo ne /etc/docker/daemon.json
{
"dns": ["xxx.xxx.xxx.xxx", "xxx.xxx.xxx.xxx"]
}


--- layout: post status: publish published: true title: Heartbeat networks on AWS author: display_name: neil login: neil email<EMAIL_ADDRESS>url: '' author_login: neil author_email<EMAIL_ADDRESS>wordpress_id: 46 wordpress_url: https://www.millardtechnicalservices.co.uk/?p=46 date: '2016-01-15 16:04:02 +0000' date_gmt: '2016-01-15 16:04:02 +0000' categories: - Uncategorised tags: - aws - private subnet comments: [] ---
What happens when you want a private non-routable network such that you would use for a cluster heartbeat or in this case, a vertica spread network, on AWS?
If like me, you use DHCP when attaching an ENI to your EC2 instance, then you will find that when your linux (centos or redhat distro) executes ifup-eth1, the default dhcp options will mean the default route will be set to this network.
The second network card in this configuration is on its own private non-routable network, and with AWS there is no way to remove the default gateway for this network. The best I could find was an article stating you could use ACL (access control list) to restrict the network to that subnet. This is of little use if your default gateway has been set to a router that blocks all traffic.
There is an answer however. The DHCP client looks for config files, and if they are not found, uses defaults.
The fix for my private non-routable network, create a file that looks like this:
/etc/dhcp/dhclient-eth1.conf
request subnet-mask, broadcast-address, time-offset,
interface-mtu;
This little file means only request the basic info from the DHCP Server. If we don't ask for the router, then we aren't going to get it.


ArrayFill( ByRef src, fdata )
Fills src array with fdata
NOTE: There are 2 functions that are reserved for internal use by ArrayFill: NumberArrayFill and StringArrayFill.
These functions will compile but will not work if called directly. Only use ArrayFill.
Example:


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One of the first projects Yahoo’s Marissa Mayer oversaw as CEO was the Yahoo Weather app. The app was so well received that it even ended up receiving a coveted Apple Design Award in 2013.
Background:
I’m a big fan of Yahoo weather app. I intented to replicate and generalize the approach they used for anyone going to use.
Implementation:
Glassy View is a subclass of UIView. It contains two UIScrollView, background and foreground. backgroundScrollView consists of two UIImageView, backgroundImageView and blurredImageView. The alpha of the blurred one changes as the background scrolls. And the background scrolls as the foreground scrolls(at a different rate). The foregroundScrollView consists of maskLayers and the foregroundContainerView(which is whatever you want it to be).
How to use:
- Create an instance of GlassyScrollView init(frame: CGRect, backgroundImage:UIImage, blurredImage:UIImage, viewDistanceFromBottom:CGFloat, foregroundView:UIView) and add it as a subview to whereever you need it to be.
- backgroundImage is essential, pick whatever fancy image that makes all the difference.
- blurredBackgroundImage is not neccessary but you can provide your own custom one.
- viewDistanceFromBottom is how much your foregroundView is visible from the bottom (like Yahoo temperature)
- foregroundView this is the view that will contain all the info.
Parallax effect implementation:
To achieve the parallax horizontal effect just call func scrollHorizontalRatio(ratio:CGFloat) that control each backgroundScrollView’s contentOffset while scrolling.
The following 2 screenshots describe the behavior:
Just control the contentOffset of backgroundScrollView like this:
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1 2 3 4 |
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Scrolling all foregroundScrollViews Vertically to the same point implementation:
To simulate the same behavior achieved by Yahoo’s Weather app that scroll all foregroundScrollViews Vertically to the same point, just control the contentOffset of foregroundScrollView and change offsetY accordingly.
So let’s assume that you scrolle one of the foregroundScrollViews vertically so then all foregroundScrollViews(others foregroundScrollViews 2 foregroundScrollViews in our case) should be scrolled vertically to the same point(offsetY) accordingly.
The following screenshot describe the behavior:
Start by calling scrollVerticallyToOffset(offsetY:CGFloat) for each glassScrollView in scrollViewWillBeginDragging:
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Then get the current Glassy scrollview:
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|
And then call scrollVerticallyToOffset(offsetY:CGFloat) to change the contentOffset of foregroundScrollView accordingly:
1 2 3 4 |
|
Check out Glassy control on GitHub.
=======


GFP
BBa_R0001
AGGAAGAGGAGCTCCT...(more than 10bp)
users from USTC
bricks by iGEM
reports #Molecular
reports by Jiyan today
reports since two weeks ago by Jiyan
Nucleotide BLAST
nucleotide to nucleotide
blasx
translated nucleotide to protein
tblastn
protein to translated nucleotide
Protein BLAST
protein to protein
powered by NCBI


"I have a great idea, but I'm not a coder... I wouldn't even know where to begin! How do I make this idea something real?"
Have you asked yourself this question? You're not alone.
We hear similar questions all the time. In fact, most of the people we encounter are in this exact position. While they have the business acumen and domain knowledge to make a successful business, they don't know how to create the software on top of which their business will be built.
By creating software, you're making a significant investment in your business. The software might be what your core business is built on, or maybe something that compliments your business. Whatever the case, it's important to first gain a technological understanding of the idea, before beginning to build.
The team at Velocity Labs has been creating software since 2001. Over the years, we have approached software in different ways and have used various methodologies. It took us many years of experimentation, trial, and error to arrive at where we are today.
One of the most profound lessons we've taken from our experiences is that the creation of software is not a static endeavor. It is a living, breathing process that changes as the understanding of the product, market, and customer's needs change.
Since 2007, we've been using an approach to defining, understanding, and building software that has yielded much greater flexibility for our clients. It has resulted in more accurate estimates and reduced the frustration often experienced during the software development lifecycle.
Our story workshop process allows us to dig deep into your idea and extract the functionality necessary for the product to be successful. The questions we ask are intended to get you thinking about how the application should function and how you see users interacting with it.
By the end of the story workshop, we will understand the who, what, and why of user interactions with your software.
There may be several actors in the system. What are their roles, how do they interact with each other, and what are the limitations, if any, imposed by the system?
Users are typically trying to accomplish some task. What are those tasks, which roles are completing them, and what is the outcome of completing, or failing to complete, a task.
It's important to know why a particular feature is important to your users and your business. This will help a lot when it comes to prioritizing functionality.
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Our Software Project Story Workshop is only $1,500 and usually takes a full day. You'll receive access to all of the information captured during the story workshop process, along with our proposal to turn those items into fully-functioning software.
Afterward, there's no obligation to hire us to build your software. If we haven't convinced you that we can successfully execute your project, feel free to take the output of the story workshop to another developer; no hard feelings!
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