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What's the simplest way to subtract a month from a date in Python?

...at what they want can be done just by dt - timedelta(days=dt.day) As originally phrased though it sounded like they wanted to be able to subtract an arbitrary number of months and that is a bit harder. – Duncan Sep 19 '19 at 14:27 ...
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convert_tz returns null

...ving these files to a different location such as /usr/share/zoneinfo/.bak/ allows for the command mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql to fully populate all of the expected timezone information. This may or may not be a bug in my installed version of MySQL: $ mysql -...
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Convert a timedelta to days, hours and minutes

... 3 days, 21:06:40.001000, and you can parse hours and minutes using simple string operations or regular expression. share | improve this answer | follow | ...
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A html space is showing as %2520 instead of %20

... and it renders the image correctly in the browser, correctly encoding the string once. Helpful link: http://support.mozilla.org/en-US/questions/900466 share | improve this answer | ...
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Find unique rows in numpy.array

...e((np.void, a.dtype.itemsize * a.shape[1]))) ? – Akavall Jun 7 '13 at 0:28 3 @Akavall It is creat...
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How to get the python.exe location programmatically? [duplicate]

Basically I want to get a handle of the python interpreter so I can pass a script file to execute (from an external application). ...
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How to get notified about changes of the history via history.pushState?

...); } // ... whatever else you want to do // maybe call onhashchange e.handler return pushState.apply(history, arguments); }; })(window.history); Your jsfiddle becomes: window.onpopstate = history.onpushstate = function(e) { ... } You can monkey-patch window.h...
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Installing R with Homebrew

I'm trying to install R using Homebrew. I ran these commands which are recommended elsewhere on SO: 12 Answers ...
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Copy file remotely with PowerShell

...CategoryInfo : PermissionDenied: (\\192.168.1.100\Shared\test.txt:String) [Copy-Item], UnauthorizedAccessException> + FullyQualifiedErrorId : ItemExistsUnauthorizedAccessError,Microsoft.PowerShell.Commands.CopyItemCommand So this did it for me: netsh advfirewall firewall set rule...
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fork() branches more than expected?

...ou get a feel for it, you should trace out on paper what each operation is and account for the number of processes. Don't forget that fork() creates a near-perfect copy of the current process. The most significant difference (for most purposes) is that fork()'s return value differs between parent ...