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Javascript sort array by two fields

...iot proof - but doesn't seem necessary. function getSortMethod(){ var _args = Array.prototype.slice.call(arguments); return function(a, b){ for(var x in _args){ var ax = a[_args[x].substring(1)]; var bx = b[_args[x].substring(1)]; var cx; ...
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How to use base class's constructors and assignment operator in C++?

...Base&) { /*...*/ } }; class Derived : public Base { int additional_; public: Derived(const Derived& d) : Base(d) // dispatch to base copy constructor , additional_(d.additional_) { } Derived& operator=(const Derived& d) { Base::operat...
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Converting a Java Keystore into PEM Format

...d certificates 139848775526048:error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt:evp_enc.c:539: 139848775526048:error:23077074:PKCS12 routines:PKCS12_pbe_crypt:pkcs12 cipherfinal error:p12_decr.c:104: 139848775526048:error:2306A075:PKCS12 routines:PKCS12_item_decrypt_d2i:pkcs1...
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How to launch Safari and open URL from iOS app

... @g_fred. Why would he not be able to include a Swift version? – ericgu Mar 24 '15 at 13:21 2 ...
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std::string formatting like sprintf

...rintfs are output correctly. Disabling this link (with a call to cout.sync_with_stdio(false)) causes c++'s streams to outperform stdio, at least as of MSVC10. – Jimbo Jan 20 '13 at 21:15 ...
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Reading specific lines only

... with linecache.getlin('some_file', 4) I get the 4th line, not the 5th. – Juan Dec 11 '14 at 18:14 ...
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How to check if AlarmManager already has an alarm set?

... a pending intent like this: Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION"); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); Calendar calendar = Calendar.getInstance(); calendar.se...
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Is Big O(logn) log base e?

... But it's very easy to show that log_2 n is in Θ(log_a n) for any base a, so I'm not sure I see how using base 2 is "more correct". – bcat Oct 15 '09 at 0:34 ...
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When do we need curly braces around shell variables?

...ing practice. This is both for consistency and to avoid surprises like $foo_$bar.jpg, where it's not visually obvious that the underscore becomes part of the variable name. share | improve this answ...
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Is it possible to run a single test in MiniTest?

...b -l 25 Yup! Use Nick Quaranto's "m" gem. With it you can say: m spec/my_spec.rb:25 share | improve this answer | follow | ...