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Is there a REAL performance difference between INT and VARCHAR primary keys?
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You make a good point that you can avoid some number of joined queries by using what's called a natural key instead of a surrogate key. Only you can assess if the benefit of this is significant in your application.
That is, you can measure the queries in your application that are the most im...
Android: AsyncTask vs Service
...our background threads are executing until you kill your app process (e.g. by swapping from recent tasks). I have checked this with 4.4.2 Google Nexus AOSP grouper
– Shirish Herwade
Jul 16 '14 at 14:45
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Instantiating a generic class in Java [duplicate]
...da useless to me, just a convoluted way of passing Foo.class to the object by declaring another class
– newacct
Jul 27 '09 at 2:19
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How to define several include path in Makefile
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
C# Regex for Guid
...false positives which have a wrong closing delimiter.
This can be avoided by regex conditionals which are broadly supported.
Conditionals are supported by the JGsoft engine, Perl, PCRE, Python, and the .NET framework.
Ruby supports them starting with version 2.0. Languages such as Delphi, PHP, an...
How to theme the ENTIRE Xcode IDE to light-on-dark?
...ded.
You can also change the debug console to have a different background by going into preferences ⌘., then go to Fonts & Colors, then select the Console. Now you can edit its background:
Just be sure to edit the font colors of the various input and outputs texts if you choose black. By d...
How do I remove a file from the FileList
... Common input element APIs. It appears you can delete the entire file list by setting the value property of the input object to an empty string, like:
document.getElementById('multifile').value = "";
BTW, the article Using files from web applications might also be of interest.
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PHP passing $_GET in linux command prompt
...ate the $_SERVER['QUERY_STRING'], but you can easily affect the same thing by referencing $_SERVER['argv'][1].
– Eric L.
Jul 31 '13 at 14:31
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Encrypt and decrypt a string in C#?
...mon. Also too much work to alter this answer otherwise.
private static byte[] _salt = __To_Do__("Add a app specific salt here");
/// <summary>
/// Encrypt the given string using AES. The string can be decrypted using
/// DecryptStringAES(). The sharedSecret parameters must ...
Representing Monetary Values in Java [closed]
...d gives a great example of why rolling your own is a bad answer. "Oh, and by the way, it doesn't work for $CURRENCY_X." That's a good sign that it also doesn't work for lots of other currencies.
– James Moore
Nov 1 '11 at 14:05
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