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How to get a cross-origin resource sharing (CORS) post request working

... I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the Access-Control-Request-Headers: x-requested-with header to all CORS requests....
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Best practices for in-app database migration for Sqlite

... I maintain an application that periodically needs to update a sqlite database and migrate old databases to the new schema and here's what I do: For tracking the database version, I use the built in user-version variable that sqlite provides (sqlite does nothing w...
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C library function to perform sort

... qsort() is the function you're looking for. You call it with a pointer to your array of data, the number of elements in that array, the size of each element and a comparison function. It does its magic and your array is sorted in-place. An example follows: #include <st...
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How can I print the contents of a hash in Perl?

I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? 11 Answers ...
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What is the size limit of a post request?

...o: #set max post size php_value post_max_size 20M And, yes, I can personally attest to the fact that this works :) If you're using IIS, I don't have any idea how you'd set this particular value. share | ...
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What is the most robust way to force a UIView to redraw?

...ouble with that, you're likely running into one of these issues: You're calling it before you actually have the data, or your -drawRect: is over-caching something. You're expecting the view to draw at the moment you call this method. There is intentionally no way to demand "draw right now this ver...
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Equals(=) vs. LIKE

...tify an example where these operators produce obviously different results. Allow me to quote from the MySQL manual: Per the SQL standard, LIKE performs matching on a per-character basis, thus it can produce results different from the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLA...
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PHP method chaining?

...g PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it? ...
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TypeError: 'module' object is not callable

...> This is what the error message means: It says module object is not callable, because your code is calling a module object. A module object is the type of thing you get when you import a module. What you were trying to do is to call a class object within the module object that happens to have ...
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List of special characters for SQL LIKE clause

What is the complete list of all special characters for a SQL (I'm interested in SQL Server but other's would be good too) LIKE clause? ...