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Why are margin/padding percentages in CSS always calculated against width?
...h CSS.
Specifically, there's a section on Percentage Padding in Horizontal vs. Vertical Writing Modes. By default, an element has a horizontal writing mode, where text flows horizontally (in the "inline" direction) from left to right. However, using the writing-mode CSS property, you can actually se...
How do cache lines work?
...n cache layer.
So a cache basically speeds up memory access greatly (60ns vs. 1ns).
Fetching a value, storing it in the cache for the chance of rereading it is good for variables that are often accessed but for memory copy operations it would be still to slow since one just reads a value, writes t...
Reference: Comparing PHP's print and echo
...in fact, it merely redirects to a dedicated SAPI function).
Speed: echo x vs print x
Unlike echo, print allocates a temporary variable. However, the amount of time spent on this activity is minuscule, so the difference between these two language constructs is negligible.
Speed: echo a,b,c vs ech...
Why doesn't C++ have a garbage collector?
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community wiki
9 revs, 2 users 92%Brian R. Bondy
73
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What is the best way to measure execution time of a function? [duplicate]
...ction’s performance?
High resolution timer in .NET
Environment.TickCount vs DateTime.Now
What’s the best way to benchmark programs in Windows?
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Difference between parameter and argument [duplicate]
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Argument is often used in the sense of actual argument vs. formal parameter.
The formal parameter is what is given in the function declaration/definition/prototype, while the actual argument is what is passed when calling the function — an instance of a formal parameter, if yo...
How do I clear the content of a div using JavaScript? [closed]
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@Mic's answer is about 250x quicker. jsperf.com/innerhtml-vs-removechild
– tleb
Oct 24 '16 at 0:45
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C# '@' before a String [duplicate]
...ped will be treated literally. msdn.microsoft.com/en-us/library/362314fe(v=VS.100).aspx explains further and gives examples.
– Mark Avenius
Feb 2 '11 at 20:12
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How do you calculate program run time in python? [duplicate]
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see this:
Python - time.clock() vs. time.time() - accuracy?
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Git error: src refspec master does not match any [duplicate]
...error fatal: Unable to create 'C:/Users/myname/Desktop/work/xamarin/myproj-vs2015/.git/index.lock': File exists. This is followed by "Another git process seems to be running in this repository, e.g. an editor opened by 'git commit'. Please make sure all processes are terminated then try again. If i...