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Display filename before matching line
... If grep is supplied with multiple file names, it will automatically display the file names before the match, but it will leave the file name out in case of a single input file. By using /dev/null as an extra input file grep "thinks" it dealing with multiple files, but /dev/null is of cou...
Purpose of memory alignment
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It's a limitation of many underlying processors. It can usually be worked around by doing 4 inefficient single byte fetches rather than one efficient word fetch, but many language specifiers decided it would be easier just to outlaw them and force everything to be aligned.
There is ...
Git: add vs push vs commit
...the suggested way to commit is the combined git commit -a, but you can mentally add a git add to the change block to understand the flow.
Lastly, the reason why push is a separate command is because of git's philosophy. git is a distributed versioning system, and your local working directory is your...
Git: which is the default configured remote for branch?
...ory for pushing and pulling using git-branch’s track option. You’d normally do this by specifying the --track option when creating your local master branch, but as it already exists we’ll just update the config manually like so:
Edit your .git/config
[branch "master"]
remote = origin
mer...
Converting bool to text in C++
...ch shows you the console output and explains more about the API.
Additionally using std::boolalpha will modify the global state of std::cout, you may want to restore the original behavior go here for more info on restoring the state of std::cout.
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Is it possible to override the configuration of a plugin already defined for a profile in a parent P
....1 of org.jenkins-ci.plugins in the pom.xml using Maven 3.3.9. Until I manually changed the <source> to 1.7 in the ~/.m2/repository/org/jenkins-ci/jenkins/1.34/jenkins-1.34.pom nothing worked.
– Alexander Samoylov
Jun 16 at 10:56
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How do you do block comments in YAML?
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The syntax differences are subtle and seldom arise in practice: JSON allows extended charactersets like UTF-32, YAML requires a space after separators like comma, equals, and colon while JSON does not, and some non-standard implementations of JSON extend the grammar to include Javascript's /* ...
Code coverage for Jest
...ing --coverage to the Jest script. Below are some examples:
I tend to install Jest locally, in which case the command might look like this:
npx jest --coverage
I assume (though haven't confirmed), that this would also work if I installed Jest globally:
jest --coverage
The very sparse docs are ...
Visual C++: How to disable specific linker warnings?
... /wd4099 will not work), but what you can do instead is patch link.exe (usually C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\link.exe) to remove it from said list . Sounds like a jackhammer, i know. It works though.
For instance, if you want to remove the warning for 4099, open link.e...
TortoiseGit not showing icon overlays
... What I did was this (copied):
I find solution :)
Wrapping with "" all tortoise keys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers
on 1TortoiseNormal and etc...
I understood the problem, seeing as Dropbox and it worked regedi...