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What is the most elegant way to remove a path from the $PATH variable in Bash?
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Absolutely a little gem. Exactly what I was trying to do when I found this post. -Thank you Andrew! BTW: Maybe you'd like to add double-quotes around ":$PATH:", just in case it should contain spaces (same about "/usr/bin") and last line "$WORK".
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Why do you need to invoke an anonymous function on the same line?
...(a, b) { return a + b; }
alert(sum(5, 5)); // alerts 10
So you may ask, what's the difference between declaration and expression?
From ECMA Script specification:
FunctionDeclaration :
function Identifier ( FormalParameterListopt ){ FunctionBody
}
FunctionExpression :
func...
What is the use of “assert” in Python?
...nswer get so many up votes, actually others answers also. the question is "What is the use of “assert” in Python? ", so it is asking: when to use, or more exactly: what is the usage scenario of assert, but after reading all answers, i totally got nothing i want!
– lnshi
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What is the difference between substr and substring?
What is the difference between
10 Answers
10
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What are enums and why are they useful?
...rate methods, rather than one method that takes several flags which modify what it does), but if you have to use flags or type codes, enums are the way to go.
As an example, which is better?
/** Counts number of foobangs.
* @param type Type of foobangs to count. Can be 1=green foobangs,
* 2=wrin...
Test if number is odd or even
What is the simplest most basic way to find out if a number/variable is odd or even in PHP?
Is it something to do with mod?
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DLL and LIB files - what and why?
...dn't it be easier to just include all the code in a single executable? And what's the difference between DLL's and LIB's?
5...
WebClient vs. HttpWebRequest/HttpWebResponse
It seems to me that most of what can be accomplished with HttpWebRequest/Response can also be accomplished with the WebClient class. I read somewhere that WebClient is a high-level wrapper for WebRequest/Response .
So far, I can't see anything that can be accomplished with HttpWebRequest/...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
...t should have two rows, one row where a=1 and a second row where a=2.
But what should the value of b show on each of these two rows? There are three possibilities in each case, and nothing in the query makes it clear which value to choose for b in each group. It's ambiguous.
This demonstrates the ...
How to change the default collation of a table?
...ng of some comments:
Should avoid recommending utf8. It's almost never what you want, and often leads to unexpected messes. The utf8 character set is not fully compatible with UTF-8. The utf8mb4 character set is what you want if you want UTF-8. – Rich Remer Mar 28 '18 at 23:41
and
That ...