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How to set Oracle's Java as the default Java in Ubuntu?

...of the JVM, you don't need to update your .bashrc file, it should automatically point to the new version. If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file. ...
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Any way to properly pretty-print ordered dictionaries?

...well if you don't care about the order of the keys. Personally, I wish the __repr__ for OrderedDict would produce output like this but preserve the order of the keys. – ws_e_c421 Sep 24 '15 at 15:54 ...
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Window.open and pass parameters by post method

...').submit(); </script> Edit: To set the values in the form dynamically, you can do like this: function openWindowWithPost(something, additional, misc) { var f = document.getElementById('TheForm'); f.something.value = something; f.more.value = additional; f.other.value = misc; win...
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When to use symbols instead of strings in Ruby?

...iers. For Ruby < 2.2 only use symbols when they aren't generated dynamically, to avoid memory leaks. Full answer The only reason not to use them for identifiers that are generated dynamically is because of memory concerns. This question is very common because many programming languages don't h...
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Python integer incrementing with ++ [duplicate]

...I've looked back at my VB6 days and thought, "What modern language doesn't allow incrementing with double plus signs?": 7 A...
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C# Lazy Loaded Automatic Properties

... 4.0 Lazy<T> type to create this pattern private Lazy<string> _someVariable =new Lazy<string>(SomeClass.IOnlyWantToCallYouOnce); public string SomeVariable => _someVariable.Value; This code will lazily calculate the value of _someVariable the first time the Value expression i...
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How to sort an array by a date property

...e a custom non-enumerable sortBy function using a Schwartzian transform on all arrays : (function(){ if (typeof Object.defineProperty === 'function'){ try{Object.defineProperty(Array.prototype,'sortBy',{value:sb}); }catch(e){} } if (!Array.prototype.sortBy) Array.prototype.sortBy = sb; ...
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Deploying website: 500 - Internal server error

..., because this is a general message without giving information on what's really happening for security reasons. With the detailed error, you can locate the real issue here. Also, if you can run the browser on the server, you get details on the error, because the server recognizes that you are loca...
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Asp.net 4.0 has not been registered

... For those getting this error in after installing .NET Framework 4.6 - Read and install one of these hotfixes to resolve the issue. share | improve this answer ...
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Can I replace groups in Java regex?

I have this code, and I want to know, if I can replace only groups (not all pattern) in Java regex. Code: 7 Answers ...