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Finding the number of days between two dates

...I think returning a negative number of days provides relevant information. And you should be using $your_date-$now, if you want a future date to return a positive integer. – Tim Mar 2 '12 at 18:49 ...
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Windows batch: formatted date into variable

...g your variable namespace. If you need UTC instead of local time, the command is more or less the same: for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do set %%x set today=%Year%-%Month%-%Day% s...
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Are tuples more efficient than lists in Python?

Is there any performance difference between tuples and lists when it comes to instantiation and retrieval of elements? 8 A...
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Install go with brew, and running the gotour

... paste the export lines in .bash_profile, not in .bashrc, restart your mac and IntelliJ will find GOPATH (just tested, reboot needed) – firepol Jun 4 '15 at 4:53 ...
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Meaning of $? (dollar question mark) in shell scripts

... This is the exit status of the last executed command. For example the command true always returns a status of 0 and false always returns a status of 1: true echo $? # echoes 0 false echo $? # echoes 1 From the manual: (acessible by calling man bash in your shell) $?...
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How to filter SQL results in a has-many-through relation

Assuming I have the tables student , club , and student_club : 13 Answers 13 ...
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How to generate and validate a software license key?

...eveloping a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That key will then be entered into the application to "unlock" the full version. ...
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Is there a builtin identity function in python?

...ng some more research, there is none, a feature was asked in issue 1673203 And from Raymond Hettinger said there won't be: Better to let people write their own trivial pass-throughs and think about the signature and time costs. So a better way to do it is actually (a lambda avoids naming the...
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Which version of the git file will be finally used: LOCAL, BASE or REMOTE?

...merge , I open a mergetool called Meld . It opens three files LOCAL, BASE and REMOTE. As I've read LOCAL is my local branch, BASE is common ancestor and REMOTE is the branch to be merged. ...
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Checking the equality of two slices

... You need to loop over each of the elements in the slice and test. Equality for slices is not defined. However, there is a bytes.Equal function if you are comparing values of type []byte. func testEq(a, b []Type) bool { // If one is nil, the other must also be nil. if (a ...