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How do PHP sessions work? (not “how are they used?”)
...that unique identification number from PHPSESSID cookie (on each request), then PHP searches in the temporary directory and compares that number to the file name. If both are the same, then it retrieves the existing session, otherwise it creates a new session for that user.
A session gets destroye...
How to set child process' environment variable in Makefile
...example, one might wish to have one single rule for invoking a command and then several other rules which modify that behaviour by setting environment variables. Consider: test: cmd perf: export PERF="yes" perf: test If 'cmd' is complicated (and it usually is), then this approach is a lot...
how to use “AND”, “OR” for RewriteCond on Apache?
.....
RewriteRule ^ - [E=RESULT_TWO:True]
# if ( RESULT_ONE AND RESULT_TWO ) then ( RewriteRule ...something... )
RewriteCond %{ENV:RESULT_ONE} =True
RewriteCond %{ENV:RESULT_TWO} =True
RewriteRule ...something...
Requirements:
Apache mod_env enabled
...
What is the point of interfaces in PHP?
... a method
in A that B and C have overridden, and D does not override it, then
which version of the method does D inherit: that of B, or that of C?
Source: https://en.wikipedia.org/wiki/Multiple_inheritance#The_diamond_problem
Why/When to use an interface?
An example... All cars in the world h...
Is MonoTouch now banned on the iPhone? [closed]
...ir license agreement now that if the original application is written in C# then it would be violating the license:
...Applications must be originally written in Objective-C, C, C++, or JavaScript as executed by the iPhone OS WebKit engine...
They even hammer it in a little further:
Applications t...
Setting log level of message at runtime in slf4j
... @Domin Hi, you mean, the logger could examine the current call stack, then extract the last entry for automatic logging, which is not the case here? In principle yes, but in fact, the stack will grove a bit more even after this until the actual message is written out (in particular, logback has...
SQL DELETE with INNER JOIN
...
If the database is InnoDB then it might be a better idea to use foreign keys and cascade on delete, this would do what you want and also result in no redundant data being stored.
For this example however I don't think you need the first s:
DELETE s ...
Delaying AngularJS route change until model loaded to prevent flicker
... of this function to a variable (var MyCtrl = angular.controller(...)) and then work with that further (MyCtrl.loadData = function(){..}). Check out egghead's video, the code is shown there straight away: egghead.io/video/0uvAseNXDr0
– petrkotek
Apr 21 '13 at 2...
How can I troubleshoot my Perl CGI script?
... Why $|=1 instead of $|++? It doesn't really make a difference, and even then, $| is magical.
– brian d foy
Mar 30 '11 at 3:04
2
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Linux: is there a read or recv from socket with timeout?
...ing the code for linux. Thanks. If windows is not using struct timeval tv; then does it mean select() wont work too? I tried porting my select() code to windows and it just timeouts immediately it looks like its ignoring the value I am setting at timeval.
– kuchi
...