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Are global variables bad? [closed]
...th global variables is that since every function has access to these, it becomes increasingly hard to figure out which functions actually read and write these variables.
To understand how the application works, you pretty much have to take into account every function which modifies the global stat...
How to use Boost in Visual Studio 2010
...ecifically for Visual Studio 2010 as requested, and include information on compiling in the various optional components which requires external libraries.
If you are using headers only libraries, then all you need to do is to unarchive the boost download and set up the environment variables. The in...
How to encrypt/decrypt data in php?
... from a reliable random number generator. The following example would be recommended (>= 5.3):
$key_size = 32; // 256 bits
$encryption_key = openssl_random_pseudo_bytes($key_size, $strong);
// $strong will be true if the key is crypto safe
This can be done once or multiple times (if you wish t...
ASP.NET MVC View Engine Comparison
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ASP.NET MVC View Engines (Community Wiki)
Since a comprehensive list does not appear to exist, let's start one here on SO. This can be of great value to the ASP.NET MVC community if people add their experience (esp. anyone who contributed to one of t...
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
... If you didnt change anything, try testing with other images and finally recompile/reinstall opencv.
– karlphillip
Jan 18 '12 at 10:39
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What's the absurd function in Data.Void useful for?
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How do I delete a Git branch locally and remotely?
...ost cases the remote name is origin.
In such a case you'll have to use the command like so.
$ git push -d origin <branch_name>
Delete Local Branch
To delete the local branch use one of the following:
$ git branch -d branch_name
$ git branch -D branch_name
Note: The -d option is an alias...
Exploitable PHP functions
...e to have a grep -able list of red-flag keywords handy when searching a compromised server for back-doors.
23 Answers
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What's the difference between the atomic and nonatomic attributes?
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@bbum Makes sense. I like your comment to another answer that thread-safety is more a model-level concern. From an IBM thread safety definition: ibm.co/yTEbjY "If a class is correctly implemented, which is another way of saying that it conforms to its spec...
Merge, update, and pull Git branches without using checkouts
...feature checked out:
git fetch upstream master:master
This use-case is so common, that you'll probably want to make an alias for it in your git configuration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What th...