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How can I check whether a option already exist in select by JQuery
...it already exists:
$("#yourSelect option[value='yourValue']").length > 0;
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Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
... use \v, meaning that in the pattern after it all ASCII characters except '0'-'9', 'a'-'z', 'A'-'Z' and '_' have a special meaning:
:%s/\v(\w)(\w\w)/\1y\2/g
See:
:help \(
:help \v
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Modify/view static variables while debugging in Eclipse
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edited May 17 '17 at 17:01
Nathan
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TextView bold via xml file?
... android:layout_height="wrap_content" android:paddingLeft="20dp" android:paddingRight="20dp" android:text="@string/start" android:textAppearance="@style/PtSansNarrowFont" android:textColor="@color/white" /> style.xml <style name="...
'typeid' versus 'typeof' in C++
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203
C++ language has no such thing as typeof. You must be looking at some compiler-specific extensi...
Sublime Text 2 - Link with Editor / Show file in sidebar
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answered Feb 12 '12 at 10:32
Jeremy HalliwellJeremy Halliwell
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How can I get maven-release-plugin to skip my tests?
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406
-Darguments="-DskipTests" is what you want, or explicitly configuring the forked executions in ...
How to merge every two lines into one from the command line?
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awk:
awk 'NR%2{printf "%s ",$0;next;}1' yourFile
note, there is an empty line at the end of output.
sed:
sed 'N;s/\n/ /' yourFile
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Adding Xcode Workspace Schemes to Version Control
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200
Choose Manage Schemes from the Schemes control. Check "Shared" beside any schemes you'd like to...
throw Error('msg') vs throw new Error('msg')
... Yes. For current docs see: ecma-international.org/ecma-262/6.0/…
– theUtherSide
May 18 '18 at 0:27
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