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Does Python SciPy need BLAS?
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The SciPy webpage used to provide build and installation instructions, but the instructions there now rely on OS binary distributions. To build SciPy (and NumPy) on operating systems without precompiled packages of the required libraries, you must build and then st...
Inline SVG in CSS
...rk nicely is Safari (5.1.4). In Opera 11.62 the gradient is black, in IE 9 and Firefox 12 it's white. In Chrome 19, it works UNLESS you specify the width/height of the SVG in % units. I'd say it's more of an oddity than a real feature. It's a cool find though.
– toniedzwiedz
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How to check command line parameter in “.bat” file?
... I need to have a ".bat" file where I need to check if user enters any command-line parameter or not. If does then if the parameter equals to -b then I will do something otherwise I will flag "Invalid input". If user does not enter any command-line parameter then I will do something. I have crea...
Detect the Internet connection is offline?
...etermine that the connection is lost by making failed XHR requests.
The standard approach is to retry the request a few times. If it doesn't go through, alert the user to check the connection, and fail gracefully.
Sidenote: To put the entire application in an "offline" state may lead to a lot of ...
How can I select every other line with multiple cursors in Sublime Text?
... Text 2, is it possible to instantly select every other (or odd/even) line and place multiple cursors on those lines?
4 Ans...
How to get just one file from another branch
I am using git and working on master branch. This branch has a file called app.js .
10 Answers
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How to get a list of installed Jenkins plugins with name and version pair
... visiting http://<jenkins-url>/script. (Given that you are logged in and have the required permissions).
Enter the following Groovy script to iterate over the installed plugins and print out the relevant information:
Jenkins.instance.pluginManager.plugins.each{
plugin ->
println ...
What is non-blocking or asynchronous I/O in Node.js?
...rage is a blocking operation as it stalls execution to read. On the other hand, fetch is a non-blocking operation as it does not stall alert(3) from execution.
// Blocking: 1,... 2
alert(1);
var value = localStorage.getItem('foo');
alert(2);
// Non-blocking: 1, 3,... 2
alert(1);
fetch('example.com...
'Missing recommended icon file - The bundle does not contain an app icon for iPhone / iPod Touch of
...en here.
Here's a helpful website that creates an icon for iOS, Mac App and Android app.
You just need to drag and drop your 1024 x 1024 icon and the site will create all the icon sizes and send it to your email. Then follow the following method to set icons for iOS app.
After Apple launched iO...
Android: how to make keyboard enter button say “Search” and handle its click?
...ure this out. Some apps have a EditText (textbox) which, when you touch it and it brings up the on-screen keyboard, the keyboard has a "Search" button instead of an enter key.
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