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Learn C first before learning Objective-C [closed]
...Usually I then replace some Obj-C code with pure C code (after all you can mix them as much as you like, the content of an Obj-C method can be entirely, pure C code). Without any intention to insult any Obj-C programmer, there are solutions that are very elegant in Obj-C, these are solutions that ju...
Case insensitive regular expression without re.compile?
...ECASE
>>> import re
>>> test = 'UPPER TEXT, lower text, Mixed Text'
>>> re.findall('text', test, flags=re.IGNORECASE)
['TEXT', 'text', 'Text']
and if we want to replace text matching the case...
>>> def matchcase(word):
def replace(m):
text...
Learning Python from Ruby; Differences and Similarities
... If you need to mimic multiple inheritance, you can define modules and use mix-ins to pull the module methods into classes. Python supports multiple inheritance rather than module mix-ins.
Python supports only single-line lambda functions. Ruby blocks, which are kind of/sort of lambda functions, c...
What is your preferred style for naming variables in R? [closed]
...tions like Hadley notwithstanding);
dots are evil too because they can get mixed up in simple method dispatch; I believe I once read comments to this effect on one of the R list: dots are a historical artifact and no longer encouraged;
so we have a clear winner still standing in the last round: came...
TypeError: not all arguments converted during string formatting python
...
You're mixing different format functions.
The old-style % formatting uses % codes for formatting:
'It will cost $%d dollars.' % 95
The new-style {} formatting uses {} codes and the .format method
'It will cost ${0} dollars.'.fo...
How to Convert Boolean to String
...
Note that you need extra brackets when you mix ternary operator and string concatenation. echo '<active>' . $res ? 'true' : 'false' . '</active>'; does not produce desired result, echo '<active>' . ($res ? 'true' : 'false') . '</active>'; does....
MySQL LIKE IN()?
...^9999$'
OR field NOT REGEXP '1940 |^test ';
OR Mixed Alternative:
SELECT * FROM fiberbox WHERE field REGEXP '1740 |1938 '
OR field NOT REGEXP '1940 |^test '
OR field NOT LIKE 'test %'
OR field ...
Difference between if () { } and if () : endif;
...ing legibility (for both PHP
and HTML!) in situations where you
have a mix of them.
http://ca3.php.net/manual/en/control-structures.alternative-syntax.php
When mixing HTML an PHP the alternative sytnax is much easier to read. In normal PHP documents the traditional syntax should be used.
...
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...(long version)
* @param string $folder the path being checked.
* @return mixed returns the canonicalized absolute pathname on success otherwise FALSE is returned
*/
function folder_exist($folder)
{
// Get canonicalized absolute pathname
$path = realpath($folder);
// If it exist, chec...
How do I create a link using javascript?
... I definitely like the first option better. +1 for that, but mixing JS and HTML mixes content and behavior, which should be separate. Overdone, that can lead to a maintenance nightmare.
– jmort253
Jan 23 '11 at 7:56
...