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Subprocess changing directory

... @The_Diver That's why cd must be implemented as internal shell command. There's no other way to do it. Internal shell commands are executed within the same process as the shell. What I meant by subshell is the shell executed for ...
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Is nested function a good approach when required by only one function? [closed]

... >>> def sum(x, y): ... def do_it(): ... return x + y ... return do_it ... >>> a = sum(1, 3) >>> a <function do_it at 0xb772b304> >>> a() 4 Is this what you were looking for? It's called a closure. ...
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How to sign an android apk file

... https://developer.android.com/studio/publish/app-signing.html Okay, a small overview without reference or eclipse around, so leave some space for errors, but it works like this Open your project in eclipse Press right-mouse - > tools (android tools?) - > export signed application (apk?) G...
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Unlink of file failed

... That usually means a process is still using that specific file (still has an handle on it) (on Windows, ProcessExplorer is good at tracking that kind of process) Try closing your other programs, and try again your git pull. Note th...
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Android emulator and virtualbox cannot run at same time

... Thanks @MichaelHampton. I installed vagrant-libvert and it worked! – jchook Jan 13 '19 at 21:42 add a comment  |...
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How to declare a global variable in JavaScript?

...s available only in browsers. Could you edit you answer to make it work in all environments? See How to get the global object in JavaScript? – Michał Perłakowski Nov 30 '16 at 15:50 ...
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How can I find and run the keytool

...n by myself as below quote. It works fine. "C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias > sociallisting -keystore "D:\keystore\SocialListing" | > "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe" > base64 ...
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Floating point vs integer calculations on modern hardware

... From my experience, there are many, many variables to performance...especially between integer & floating point math. It varies strongly from processor to processor (even within the same family such as x86) because different processors have different "pipeline" lengths. Also, some operations ...
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error: passing xxx as 'this' argument of xxx discards qualifiers

...ere the value type is the same as the key type, both iterator and const_iterator are constant iterators. It is unspecified whether or not iterator and const_iterator are the same type. So VC++ 2008 Dinkumware implementation is faulty. Old answer: You got that error because in certain...
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Finding sum of elements in Swift array

...st) way to find the sum of an array of integers in swift? I have an array called multiples and I would like to know the sum of the multiples. ...