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How does the keyword “use” work in PHP and can I import classes with it?

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Git: How to squash all commits on branch

... Another way to squash all your commits is to reset the index to master: git checkout yourBranch git reset $(git merge-base master yourBranch) git add -A git commit -m "one commit on yourBranch" This isn't perfect as it implies you know from which br...
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C++: const reference, before vs after type-specifier

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cartesian product in pandas

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UltiSnips and YouCompleteMe

I have bundles ultisnips and youcompleteme installed on my macvim. The problem is that ultisnips doesn't work because tab is bound by ycm. I tried putting let g:UltiSnipsExpandTrigger = "<s-tab>" so that I can trigger the snippet completion with shift-tab, but it doesn't work for some unknow...
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Struggling with NSNumberFormatter in Swift for currency

...matter.string(from:) is an optional String not a String (as implied by the comments) so will need unwrapping before use. – Ali Beadle Sep 10 '17 at 9:16  |...
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Force line-buffering of stdout when piping to tee

... is for pipeline mode where unbuffer reads from stdin and passes it to the command in the rest of the arguments) share | improve this answer | follow | ...
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What is the best way to convert seconds into (Hour:Minutes:Seconds:Milliseconds) time?

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How does Apple know you are using private API?

... I'm curious about the workaround of calling private methods. I think the compiler will generate call to objc_msgSend(foo, @selector(privateMethod)) for [foo privateMethod], so if Apple can detect the direct call of privateMethod they can also detect the indirect call via objc_msgSend(or performSel...
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Efficiently test if a port is open on Linux?

... Bash for child processes, so 3,4,6,7,8, and 9 should be safe. As per the comment below, to test for listening on a local server in a script: exec 6<>/dev/tcp/127.0.0.1/445 || echo "No one is listening!" exec 6>&- # close output connection exec 6<&- # close input connection T...