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How can I convert ereg expressions to preg in PHP?
Since POSIX regular expressions (ereg) are deprecated since PHP 5.3.0, I'd like to know an easy way to convert the old expressions to PCRE (Perl Compatible Regular Expressions) (preg) .
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preventDefault() on an tag
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Aliaksandr Sushkevich
5,89666 gold badges2525 silver badges3636 bronze badges
answered Nov 5 '08 at 15:31
Davide GualanoDav...
What's the best way to send a signal to all members of a process group?
... negation of the group number. For example to kill every process in group 5112, use kill -TERM -- -5112.
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The way to check a HDFS directory's size?
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165
Prior to 0.20.203, and officially deprecated in 2.6.0:
hadoop fs -dus [directory]
Since 0.20....
How to disable margin-collapsing?
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community wiki
5 revs, 3 users 87%hqcasanova
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Error:(1, 0) Plugin with id 'com.android.application' not found
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450
Updated Answer (Apr. 10, 2020)
Latest Gradle: 6.3
Version check:
./gradlew -v
How to update:
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
...web application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 .
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What is a “surrogate pair” in Java?
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edited Apr 19 '17 at 13:35
answered May 5 '11 at 19:28
Jef...
Formula to determine brightness of RGB color
...minance?
Luminance (standard for certain colour spaces): (0.2126*R + 0.7152*G + 0.0722*B) [1]
Luminance (perceived option 1): (0.299*R + 0.587*G + 0.114*B) [2]
Luminance (perceived option 2, slower to calculate): sqrt( 0.241*R^2 + 0.691*G^2 + 0.068*B^2 ) → sqrt( 0.299*R^2 + 0.587*G^2 + 0.114*B^...
Default value to a parameter while passing by reference in C++
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