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is it possible to change values of the array when doing foreach in javascript?
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return "four";
})
alert(arr);
First off, here is where you should be reading about Array.prototype.forEach():
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
Second, let's talk briefly about value types in JavaScript.
Primitives (undefined, nul...
Why use sprintf function in PHP?
...creases, but it is much faster to just (given you have a class Language to read language strings):
/**
* throws exception with message($name = "ExampleMethod"):
* - using en.txt: ExampleMethod could not be found.
* - using hu.txt: A keresett eljárás (ExampleMethod) nem található.
*/
throw...
Regex Email validation
...w]+\.)+[a-zA-Z]{2,4})|(([0-9]{1,3}\.){3}[0-9]{1,3}))$";
For more info go read about it here: C# – Email Regular Expression
Also, this checks for RFC validity based on email syntax, not for whether the email really exists. The only way to test that an email really exists is to send and email and...
How to check if a String is numeric in Java
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This answer is concise, simple and readable. You can almost read it like English -- "chars all match digits". It requires no third-party libraries. It does not use exceptions in non-exceptional cases. This should become the accepted answer.
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How to grep (search) committed code in the Git history
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If you get an "unable to read tree" error when you invoke git grep history with rev-list, you might need to clean things up. Try git gc or check out: stackoverflow.com/questions/1507463/…
– Anthony Panozzo
Oct...
How to print the ld(linker) search path
...0000)
The first paths, without hwcap in the line, are either built-in or read from /etc/ld.so.conf.
The linker can then search additional directories under the basic library search path, with names like sse2 corresponding to additional CPU capabilities.
These paths, with hwcap in the line, can con...
pass **kwargs argument to another function with **kwargs
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thank you, I always like to read more about topics i don't understand.
– user945967
Mar 26 '12 at 6:43
add a comment
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How to remove items from a list while iterating?
...This function always returns a list i.e., @Alex Martelli's solution that already uses a list instead of a generator is most probably more efficient
– jfs
May 7 '15 at 20:48
7
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C library function to perform sort
... big :-) And, @AndreyT, clever though that hack is, I prefer my code to be readable :-)
– paxdiablo
Nov 24 '09 at 11:44
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How to write LaTeX in IPython Notebook?
...X Primer I've seen: It clearly shows how to use LaTeX commands in easy to read, and easy to remember manner !! Highly recommended.
This Link has Excellent Examples showing both the code, and the rendered result !
You can use this site to quickly learn how to write LaTeX by example.
And, here i...