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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...derstand how branch mispredictions affect performance, take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information ca...
Writing your own STL Container
...the C++11 standard is freely available here.
You might as well, read some excellent books which will help you understand the requirements from an perspective of user of the container. Two excellent books which struck my mind easily are:
Effective STL by Scott Meyers &
The C++ Standard Librar...
What browsers support HTML5 WebSocket API?
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Webbit is an excellent Java WebSocket server that should be added to the list.
– Aslak Hellesøy
Oct 20 '11 at 0:06
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Testing if a checkbox is checked with jQuery
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Stefan Brinkmann's answer is excellent, but incomplete for beginners (omits the variable assignment). Just to clarify:
// this structure is called a ternary operator
var cbAns = ( $("#ans").is(':checked') ) ? 1 : 0;
It works like this:
var myVar = (...
JavaScript hashmap equivalent
... use it as a key.
US state abbreviation + driver license number makes an excellent key.
Country abbreviation + passport number is an excellent key too.
Some function on fields, or a whole object, can return a unique value — use it as a key.
I used your suggestion and cached all objects using a...
How do I remove the last comma from a string using PHP?
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Excellent answer!
– DiChrist
Nov 18 '16 at 12:36
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How to break lines at a specific character in Notepad++?
...suming you didn't want to write code, you could manipulate it in Microsoft Excel.
If you copy your string to location B1:
A2 =LEFT(B1,FIND(",",B1)-1)
B2 =MID(B1,FIND(",",B1)+1,10000)
Select A2 and B2, copy the code to successive cells (by dragging):
A3 =LEFT(B2,FIND(",",B2)-1)
B3 =MID(B2,FIND("...
Java equivalent to Explode and Implode(PHP) [closed]
...ur array and build string using StringBuilder/StringBuffer. Or you can try excellent Google Guava Splitter and Joiner or split/join methods from Apache Commons StringUtils.
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What's the fundamental difference between MFC and ATL?
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+1 I wish I could +10 this. Thanks for the excellent history description -- it's very well-written and informative! :)
– user541686
Aug 27 '11 at 4:57
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How to set background color of HTML element using css properties in JavaScript
...dColor = "color"; for example - element.style.backgroundColor = "orange"; excellent answer
– Catto
Jul 1 '16 at 17:05
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