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How do I validate a date string format in python?

... >>> import datetime >>> def validate(date_text): try: datetime.datetime.strptime(date_text, '%Y-%m-%d') except ValueError: raise ValueError("Incorrect data format, should be YYYY-MM-DD") >>> validate('2003-12-23') >>> vali...
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Is there a way to create multiline comments in Python?

... they appear in the source code. If you try to run this code... def parse_token(token): """ This function parses a token. TODO: write a decent docstring :-) """ if token == '\\and': do_something() elif token == '\\or': do_something_else() elif token =...
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How do I install and use curl on Windows?

...\Windows\System32" Done Even more easier: Download the Win64 2000/XP x86_64 MSI installer provided by Edward LoPinto. At the time of writing file curl-7.46.0-win64.exe was the most recent. Tested with Windows 10. share ...
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

...nd C-H to many interesting logics and formulations of logics to obtain a really wide variety of correspondences. Here I've tried to focus on some of the more interesting ones rather than on the obscure, plus a couple of fundamental ones that haven't come up yet. evaluation | proof norm...
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Can you use if/else conditions in CSS?

...at looks something like this: p { background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px; } In this case, you will however have a performance impact, since caching such a stylesheet will be difficult. ...
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How to pass a class type as a function parameter

...lass: AnyClass = type(of: self) Swift 2.x let myClass: AnyClass = object_getClass(self) and you can pass it as paramater later, if you'd like. share | improve this answer | ...
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CursorLoader usage without ContentProvider

... Found a nice code example that uses this - bitbucket.org/ssutee/418496_mobileapp/src/fc5ee705a2fd/demo/… - found it very useful ! – Shushu May 20 '12 at 21:17 ...
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Creating .pem file for APNS?

...com and "iPhone Advanced Projects" chapter 10 byJoe Pezzillo. With the aps_developer_identity.cer in the keychain: Launch Keychain Access from your local Mac and from the login keychain, filter by the Certificates category. You will see an expandable option called “Apple Development Push Servic...
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What is the motivation for bringing Symbols to ES6?

... Most languages (all mainstream ones afaik) provide some mechanism, usually reflection, to get access to private anyway. – Esailija May 14 '14 at 10:58 ...
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Is it safe to remove selected keys from map within a range loop?

...r(1024) m[k] = GenerateRandStr(1024*1024) for k2, _ := range m { delete(m, k2) break } } }() osSignals := make(chan os.Signal, 1) signal.Notify(osSignals, os.Interrupt) for { select { case &...