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How do you create a random string that's suitable for a session ID in PostgreSQL?
...n session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
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It is a quirk of the syntax for passing arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the fir...
What does auto do in margin:0 auto?
...th on the object that you have applied margin: 0 auto to, the object will sit centrally within it's parent container.
Specifying auto as the second parameter basically tells the browser to automatically determine the left and right margins itself, which it does by setting them equally. It guarantee...
How to hide reference counts in VS2013?
Visual Studio 2013 introduced a new feature where it shows you how many times each of your methods are used.
5 Answers
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MySQL offset infinite rows
...offset by 5 from the start of the table. As far as I can tell, MySQL's LIMIT requires a limit as well as an offset. Is there any way to do this?
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How can I replace every occurrence of a String in a file with PowerShell?
...hell, I want to replace all exact occurrences of [MYID] in a given file with MyValue . What is the easiest way to do so?
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URL matrix parameters vs. query parameters
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http://example.com/res/categories;name=foo/objects;name=green/?page=1
It really comes down to namespacing.
Note: The 'levels' of resources here are categories and objects.
If only query parameters were used for a multi-level URL, you would end up with
http://example.com/res?categories_name...
How to auto-center jQuery UI dialog when resizing browser?
...xcept for one thing.
When the browser is resized, the dialog just stays in it's initial position which can be really annoying.
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Difference between .keystore file and .jks file
...ifference between .keystore files and .jks files, yet I could not find it. I know jks is for "Java keystore" and both are a way to store key/value pairs.
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pull/push from multiple remote locations
The short: is there a way to have a git repo push to and pull from a list of remote repos (rather than a single "origin")?
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