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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
...OT 5 evaluates to -6, which is also TRUE! Finding this sort of bug is not fun.
Best Practices
Given the de facto rules that zero is interpreted as FALSE and any non-zero value is interpreted as TRUE, you should never compare boolean-looking expressions to TRUE or FALSE. Examples:
if (thisValue ...
What is the purpose of `text=auto` in `.gitattributes` file?
...eplaced CR + LF bytes with LF bytes in the object database. That was not a fun one to debug.
If you must use * text=auto, put it as the first line in .gitattributes, so that the later lines can override it. This seems to be becoming an increasingly popular practise.
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Dynamic validation and name in a form with AngularJS
...hBen Lesh
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How to use a dot “.” to access members of dictionary?
...alue
Make use of it as follows:
keys = AttributeDict()
keys.abc.xyz.x = 123
keys.abc.xyz.a.b.c = 234
That elaborates a bit on Kugel's answer of "Derive from dict and and implement __getattr__ and __setattr__". Now you know how!
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PHP Redirect with POST data
...m array $post_data POST data. Example: array('foo' => 'var', 'id' => 123)
* @param array $headers Optional. Extra headers to send.
*/
public function redirect_post($url, array $data, array $headers = null) {
$params = array(
'http' => array(
'method' => 'POST',
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Relational table naming convention [closed]
...D and COMPANY_ID, some of those values will be the same of course. But the 123 from USER_ID is not the same as 123 from COMPANY_ID, because their values are drawn from difference domains. That way it makes sense to name them differently.
– Ronnis
Mar 19 '19 at ...
Length of an integer in Python
...always convert it to string like str(133) and find its length like len(str(123)).
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Check if a string is a date value
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how exactly should one use this? moment("whatever 123").isValid() returns true.
– krivar
Jun 22 '15 at 11:49
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Hidden features of mod_rewrite
...ertain aspects of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
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Difference between 2 dates in SQLite
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SELECT julianday('now') - julianday(DateCreated) FROM Payment;
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