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Why #egg=foo when pip-installing from git repo
...#egg=Package so pip knows what to expect at that URL. See https://pip.pypa.io/en/stable/reference/pip_install/#vcs-support
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What exactly are unmanaged resources?
...llector does not know about. For example:
Open files
Open network connections
Unmanaged memory
In XNA: vertex buffers, index buffers, textures, etc.
Normally you want to release those unmanaged resources before you lose all the references you have to the object managing them. You do this by cal...
Is it possible to dynamically compile and execute C# code fragments?
...
The best solution in C#/all static .NET languages is to use the CodeDOM for such things. (As a note, its other main purpose is for dynamically constructing bits of code, or even whole classes.)
Here's a nice short example take from LukeH'...
C# Interfaces. Implicit implementation versus Explicit implementation
...ic void CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
and explicitly as:
void ICollection.CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
The difference is that implicit implementation allows you to access the interface through the class...
How to retrieve a module's path?
...fy is simple, you just need to know the directory you want to get notifications from.
19 Answers
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Create tap-able “links” in the NSAttributedString of a UILabel?
... need to resolve two independent tasks:
Changing the appearance of a portion of the text to look like a link
Detecting and handling touches on the link (opening an URL is a particular case)
The first one is easy. Starting from iOS 6 UILabel supports display of attributed strings. All you need to...
Loading cross-domain endpoint with AJAX
...
jQuery Ajax Notes
Due to browser security restrictions, most Ajax requests are subject to the same origin policy; the request can not successfully retrieve data from a different domain, subdomain, port, or protocol.
Script and JSONP requests are not subject to the same origi...
Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
11
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Can you get DB username, pw, database name in Rails?
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From within rails you can create a configuration object and obtain the necessary information from it:
config = Rails.configuration.database_configuration
host = config[Rails.env]["host"]
database = config[Rails.env]["database"]
username = config[Rails.env]["usern...
Clear icon inside input text
...ements:
/**
* Clearable text inputs
*/
$(".clearable").each(function() {
var $inp = $(this).find("input:text"),
$cle = $(this).find(".clearable__clear");
$inp.on("input", function(){
$cle.toggle(!!this.value);
});
$cle.on("touchstart click", function(e) {
...