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How to trigger event when a variable's value is changed?
...ntly creating an application in C# using Visual Studio. I want to create som>me m> code so that when a variable has a value of 1 then a certain piece of code is carried out.
I know that I can use an if statem>me m>nt but the problem is that the value will be changed in an asynchronous process so technically t...
Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Schem>me m>) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
It seems to m>me m> that you can do the sam>me m> thing in a SQL query using either NOT EXISTS, NOT IN, or LEFT JOIN WHERE IS NULL. For example:
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Downloading a large file using curl
...
<?php
set_tim>me m>_limit(0);
//This is the file where we save the information
$fp = fopen (dirnam>me m>(__FILE__) . '/localfile.tmp', 'w+');
//Here is the file we are downloading, replace spaces with %20
$ch = curl_init(str_replace(" ","%20",$...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...an app on Heroku with a Postgresql backend. Periodically, I get this error m>me m>ssage when trying to access the database, both from the CLI and from loading a page on the server:
...
Default value of function param>me m>ter
...{
Add(4);
}
The compilation of test.cpp will not see the default param>me m>ter declaration, and will fail with an error.
For this reason, the default param>me m>ter definition is usually specified in the function declaration:
lib.h
int Add(int a, int b = 3);
...
Why do we use $rootScope.$broadcast in AngularJS?
Tried to find som>me m> basic information for AngularJS $rootScope.$broadcast , But the AngularJS docum>me m>ntation doesn't help much. In easy words why do we use this?
...
Xcode is not currently available from the Software Update server
... manually from here:
https://developer.apple.com/downloads/index.action?nam>me m>=for%20Xcode
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What is the source code of the “this” module doing?
...
And that can actually be implem>me m>nted more simply in both 2.x and 3.x as import codecs; print(codecs.decode(s, "rot-13")). Writing the algorithm out by hand like that was just further obfuscation of the easter egg.
– ncoghlan
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How to npm install to a specified directory?
...y existing node_modules directory higher up in the hierarchy. (See npm docum>me m>ntation on folders.)
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