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On design patterns: When should I use the singleton?
The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.
19 Answers
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How can I propagate exceptions between threads?
...d). Within the body of the function we spawn multiple worker threads to do CPU intensive work, wait for all threads to finish, then return the result on the main thread.
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How can I override Bootstrap CSS styles?
...Dec 21 '13 at 17:04
Markus KottländerMarkus Kottländer
7,41033 gold badges3131 silver badges5757 bronze badges
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Equals(=) vs. LIKE
...duce results different from the = comparison operator:
mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci;
+-----------------------------------------+
| 'ä' LIKE 'ae' COLLATE latin1_german2_ci |
+-----------------------------------------+
| 0 |
+------...
Check to see if a string is serialized?
...r.wordpress.org/reference/functions/is_serialized
– Cédric Françoys
Feb 22 '19 at 8:57
add a comment
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Starting iPhone app development in Linux? [closed]
...e, I'm running OS X and Xcode on a virtualised (VMware) machine on Linux. CPU is a Core2Quad (Q8800), and it is perfectly fast. I found a prebuilt VM online (I'll leave it to you to find)
Xcode/iPhone development works perfectly, as does debugging via USB to the phone itself.
It actually surprise...
How can I escape a double quote inside double quotes?
...more characters as well, such as ', ( and )
– David Pärsson
May 10 '13 at 10:14
printf %q generates strings ready for...
Using awk to remove the Byte-order mark
...t not UTF-16 files without a BOM) to UTF-8 without a BOM:
$ printf '\ufeffä\n'|iconv -f utf-8 -t utf-16be>bom-utf16be
$ printf '\ufeffä\n'|iconv -f utf-8 -t utf-16le>bom-utf16le
$ printf '\ufeffä\n'>bom-utf8
$ printf 'ä\n'|iconv -f utf-8 -t utf-16be>utf16be
$ printf 'ä\n'|iconv -f ...
Django Setup Default Logging
...ation was not found in Django documentation.
– Eino Mäkitalo
Mar 12 '13 at 10:11
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Regex to match only letters
...r letters than A–Z, you can either add them to the character set: [a-zA-ZäöüßÄÖÜ]. Or you use predefined character classes like the Unicode character property class \p{L} that describes the Unicode characters that are letters.
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