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Rails formatting date
...12)
%l - Hour of the day, 12-hour clock, blank-padded ( 1..12)
%P - Meridian indicator, lowercase (``am'' or ``pm'')
%p - Meridian indicator, uppercase (``AM'' or ``PM'')
%M - Minute of the hour (00..59)
%S - Second of the minute (00..59)
%L - Millisecond of the second (000..999)
%N...
HashSet versus Dictionary w.r.t searching time to find if an item exists
...
The accepted answer to this question does NOT validly answer the question! It happens to give the correct answer, but that answer isn't shown by the evidence they provided.
What that answer shows is that Key lookups on a Dictionary or HashSet are vastly quicker than looking...
Read .mat files in Python
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There is a nice package called mat4py which can easily be installed using
pip install mat4py
It is straightforward to use (from the website):
Load data from a MAT-file
The function loadmat loads all variables stored in the MAT-file into a simpl...
Check if SQL Connection is Open or Closed
...state must be closed before attempting to open it again so the code can be called repeatedly.
// Defensive database opening logic.
if (_databaseConnection.State == ConnectionState.Broken) {
_databaseConnection.Close();
}
if (_databaseConnection.State == ConnectionState.Closed) {
_database...
How to get a pixel's x,y coordinate color from an image?
...of your PNG. The following creates an off-screen canvas that is the same width and height as your image and has the image drawn on it.
var img = document.getElementById('my-image');
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
canvas.getConte...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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@BrianDavidBerman there is, if you set false to 32-but preferred and set x64 or Any CPU on a 64-bit machine.
– Lex Li
Aug 4 '16 at 14:49
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Show just the current branch in Git
... For those getting "symbolic ref" error: it's probably because you technically don't have a branch checked out, and are in a 'detached' state: stackoverflow.com/questions/10228760/fix-a-git-detached-head . So, if you need the command to exit successfully in detached head state, use the "rev-pars...
Link to the issue number on GitHub within a commit message
Is it somehow possible to automatically have a link to GitHub issue number in the git commit message?
8 Answers
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How do I get Pyflakes to ignore a statement?
...For implementing ignore functionality you will need to write your own that calls the pyflakes checker.
Here you can find an idea: http://djangosnippets.org/snippets/1762/
Note that the above snippet only for for comments places on the same line.
For ignoring a whole block you might want to add 'py...
How to implement history.back() in angular.js
...ction() {
window.history.back();
};
I usually create a global function called '$back' on my app controller, which I usually put on the body tag.
angular.module('myApp').controller('AppCtrl', ['$scope', function($scope) {
$scope.$back = function() {
window.history.back();
};
}]);
Then...