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ALTER TABLE without locking the table?
...y RDBMS systems do anyway...
- Create a new table
You can then copy the contents of the old table over a chunk at a time. Whilst always being cautious of any INSERT/UPDATE/DELETE on the source table. (Could be managed by a trigger. Although this would cause a slow down, it's not a lock...)
On...
Recommendation for compressing JPG files with ImageMagick
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Just saying for those who using Imagick class in m>PHP m>:
$im -> gaussianBlurImage(0.8, 10); //blur
$im -> setImageCompressionQuality(85); //set compress quality to 85
share
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How do I find the MySQL my.cnf location
... a MySQL command to locate the my.cnf configuration file, similar to how m>PHP m>'s m>php m>info() locates its m>php m>.ini ?
25 Ans...
Does JavaScript have a method like “range()” to generate a range within the supplied bounds?
In m>PHP m>, you can do...
62 Answers
62
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Regular m>ex m>pression to match DNS hostname or IP Address?
...mes only (and not intranet), I wrote the following snipped, a mix of shell/m>php m> but it should be applicable as any regular m>ex m>pression.
first go to ietf website, download and parse a list of legal level 1 domain names:
tld=$(curl -s http://data.iana.org/TLD/tlds-alpha-by-domain.txt | sed 1d | cut ...
How do I print out the contents of an object in Rails for easy debugging?
I think I'm trying to get the m>PHP m> equivalent of print_r() (print human-readable); at present the raw output is:
8 Answers...
Remove all special characters from a string [duplicate]
... the full cleanString() can be downloaded from http://www.unm>ex m>pectedit.com/m>php m>/m>php m>-clean-string-of-utf8-chars-convert-to-similar-ascii-char
cleanString(
str_replace( // preg_replace can be used to support more complicated replacements
array_keys($dict),
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.m>php m>?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.m>ex m>tmail....
原文地址：http://bbs.chinaunix.net/viewthread.m>php m>?tid=770141
执照wangmingda老大...
Remove non-utf8 characters from string
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what to use instead $regm>ex m> = <<<'END' for m>PHP m> < 5.3.x ?
– serhio
Apr 8 '10 at 23:00
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Is Dvorak typing appropriate for programming? [closed]
..., since users of the dvorak keyboard layout have proven themselves to be flm>ex m>ible enough to adopt another layout, they can probably just as easily manage adapting to a personally tuned one - and to great effect? (just playing devil's advocate here)
– sehe
Nov 9...