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Studies on optimal code width?

...g with text. I look at the environment that the code will be used in, and set width standards based on that context. For example, when I worked in Emacs on XWindows, it worked well to have 2 Emacs windows side-by-side at all times. That limited them to 80 characters, so that was my max line lengt...
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Why do x86-64 systems have only a 48 bit virtual address space?

... time soon. So CPU manufacturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current CPUs just only use the lower 48 bits. The alternative was wasting transistors on handling a bigger address space which wasn't going to be needed for many years. So on...
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Why should I avoid using Properties in C#?

...ng methods. (In particular, having seen Java code with several getters and setters being called in the same statement, I know that the equivalent C# code would be a lot simpler to read. The Law of Demeter is all very well in theory, but sometimes foo.Name.Length really is the right thing to use...) ...
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Call a Javascript function every 5 seconds continuously [duplicate]

... Call a Javascript function every 5 seconds continuously. I have seen the setTimeOut event. Will it be working fine if I want it continuously? ...
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Android - Using Custom Font

...the solution. You can use a subfolder called fonts but it must go in the assets folder not the res folder. So assets/fonts Also make sure that the font ending I mean the ending of the font file itself is all lower case. In other words it should not be myFont.TTF but myfont.ttf this way must be...
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How do I exit the Vim editor?

...ode) QappendEnter iCtrl-ogQCtrl-r=Ctrl-k (thanks to porges for this case) :set insertmode (this is a case when Ctrl-\Ctrl-n returns you to normal mode) Edit: This answer was corrected due to cases above. It used to be: EscEscEsc:qa!Enter However, that doesn't work if you have entered Ex mode. ...
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jQuery: Count number of list elements?

...an be condensed down to: (by removing the 'var' which is not necessary to set a variable) count = $("#myList").children().length; however this is cleaner: count = $("#mylist li").size(); share | ...
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What is the difference between HTTP status code 200 (cache) vs status code 304?

...the answer being "no"). For most optimal web performance, you're best off setting a far-future Expires: or Cache-Control: max-age header for all assets, and then when an asset needs to be changed, changing the actual filename of the asset or appending a version string to requests for that asset. Th...
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Static way to get 'Context' in Android?

...text collected via the context passed to getInstance(). instance is never set a second time, nor cleared, so GC will never catch the appcontext referenced by instance. You don't leak any activities so it's low cost IMO. – Mark McKenna Aug 20 '18 at 20:37 ...
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Should I put #! (shebang) in Python scripts, and what form should it take?

...n is installed in a non-standard place then it likely means that python is setup in a non-standard way and that the script should fail fast as a result. As opposed to making assumptions about the properties of the python interpreter and hoping for the best. – Dunes ...