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Keep only date part when using pandas.to_datetime

...stored as an array of pointers and is inefficient relative to a pure NumPy-based series. Since your concern is format when writing to CSV, just use the date_format parameter of to_csv. For example: df.to_csv(filename, date_format='%Y-%m-%d') See Python's strftime directives for formatting conven...
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Execution time of C program

... MinGW compiler is GCC based. So it will work on it. But if you use visual C compiler, then you will get error. – user2550754 Jan 9 '14 at 11:37 ...
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I want to delete all bin and obj folders to force all projects to rebuild everything

...d for me: for /d /r . %%d in (bin,obj) do @if exist "%%d" rd /s/q "%%d" Based on this answer on superuser.com share | improve this answer | follow | ...
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How to validate IP address in Python? [duplicate]

... (most recent call last): ... ValueError: invalid literal for long() with base 10: 'foobar' However, like Dustin's answer, it will accept things like "4" and "192.168" since, as mentioned, these are valid representations of IP addresses. If you're using Python 3.3 or later, it now includes the i...
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Android SDK manager won't open

... Same problem here. Fixed! I installed the correct Java stuff, all for 64 bit, because my system is x64, and nothing happened. So I went to C:\Users\[my name] and deleted the directory .android that has been created the first time the SDK ran, apparently with some wrong configuration. Then it w...
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Call UrlHelper in models in ASP.NET MVC

...ty on a created MyModel object will return the valid Url to view the Model based on the routing in Global.asax share | improve this answer | follow | ...
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PostgreSQL - Rename database

I need to rename the database but when I do in PGAdmin : ALTER DATABASE "databaseName" RENAME TO "databaseNameOld" it told me that it cannot. ...
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Easiest way to activate PHP and MySQL on Mac OS 10.6 (Snow Leopard), 10.7 (Lion), 10.8 (Mountain Lio

... My use of the symlink was based partially on ignorance; it's completely unnecessary. I just don't trust large installation scripts with root. And if you don't think MacPorts spreads files over many directories, just look at the uninstallation instru...
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Convert form data to JavaScript object with jQuery

...amed": /^[a-zA-Z0-9_]+$/ }; this.build = function(base, key, value){ base[key] = value; return base; }; this.push_counter = function(key){ if(push_counters[key] === undefined){ push_counters[key] = 0; ...
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What are file descriptors, explained in simple terms?

...value. FD's for a particular process can be seen in /proc/$pid/fd (on Unix based systems). share | improve this answer | follow | ...