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How to ignore xargs commands if stdin input is empty?
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edited May 13 '16 at 20:55
kenorb
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Create a Path from String in Java7
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answered Jun 4 '13 at 13:45
Jon SkeetJon Skeet
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Understanding Linux /proc/id/maps
...tch to kernel mode. Here's a good article about it: "What is linux-gate.so.1?"
You might notice a lot of anonymous regions. These are usually created by mmap but are not attached to any file. They are used for a lot of miscellaneous things like shared memory or buffers not allocated on the heap. F...
What is the Gradle artifact dependency graph command?
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130
The command is gradle dependencies, and its output is much improved in Gradle 1.2. (You can al...
Simulating ENTER keypress in bash script
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133
echo -ne '\n' | <yourfinecommandhere>
or taking advantage of the implicit newline that...
How to ALTER multiple columns at once in SQL Server
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13 Answers
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How to remove array element in mongodb?
...ollection.update(
{ _id: id },
{ $pull: { 'contact.phone': { number: '+1786543589455' } } }
);
It will find document with the given _id and remove the phone +1786543589455 from its contact.phone array.
You can use $unset to unset the value in the array (set it to null), but not to remove it c...
How to use Bitbucket and GitHub at the same time for one project?
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117
You can use multiple remote repositories with git. But you'll have to push separately into 2 o...
How do I disable text selection with CSS or JavaScript? [duplicate]
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315
<div
style="-moz-user-select: none; -webkit-user-select: none; -ms-user-select:none; user-...