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How to free memory in Java?

...emory you may want to consider. For example, say you'd declared a List<String> at the beginning of a method which grew in size to be very large, but was only required until half-way through the method. You could at this point set the List reference to null to allow the garbage collector to p...
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How to get certain commit from GitHub project

...ng hash key 31af650ee25f65794b75d4dfefed6fe4758781c1, just get the first 7 chars 31af650. It's the default for GitHub. share | improve this answer | follow | ...
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Where can I set environment variables that crontab will use?

...eriod is equivalent to the "source" command: tldp.org/LDP/abs/html/special-chars.html#DOTREF – Jeff W Mar 8 '13 at 21:55 ...
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Generating random numbers in Objective-C

... arc4random_stir(void); void arc4random_addrandom(unsigned char *dat, int datlen); DESCRIPTION The arc4random() function uses the key stream generator employed by the arc4 cipher, which uses 8*8 8 bit S-Boxes. The S-Boxes can be in about (2**1700) states. The arc4random(...
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Design patterns or best practices for shell scripts [closed]

... values. This means that you have to invent a different strategy to return string values. My strategy is to use a variable called RESULT to store the result, and returning 0 if the function completed cleanly. Also, you can raise exceptions if you are returning a value different from zero, and then ...
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What is in your .vimrc? [closed]

...function! RotateColorTheme() let y = -1 while y == -1 let colorstring = "inkpot#ron#blue#elflord#evening#koehler#murphy#pablo#desert#torte#" let x = match( colorstring, "#", g:themeindex ) let y = match( colorstring, "#", x + 1 ) let g:themeindex = x + 1 if y == -...
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How do I write unencoded Json to my View using Razor?

...lAttendees)) In releases earlier than Beta 2 you did it like: @(new HtmlString(Json.Encode(Model.PotentialAttendees))) share | improve this answer | follow ...
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JavaScript + Unicode regexes

...e. Situation for ES 5 and below Even though JavaScript operates on Unicode strings, it does not implement Unicode-aware character classes and has no concept of POSIX character classes or Unicode blocks/sub-ranges. Issues with Unicode in JavaScript regular expressions Check your expectations here: ...
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Best Timer for using in a Windows service

... Console.WriteLine("{0} Creating timer.\n", DateTime.Now.ToString("h:mm:ss.fff")); Timer stateTimer = new Timer(timerDelegate, autoEvent, 1000, 250); // When autoEvent signals, change the period to every // 1/2 second. autoEvent.Wait...
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ctypes - Beginner

...endl; } which is compiled as before and the imported in the same way. The extra Python code to use this function would then be, import numpy as np py_print_array = lib.print_array py_print_array.argtypes = [ctl.ndpointer(np.float64, flags='aligned, c_conti...