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How can you do anything useful without mutable state?
...ce new values.
This has several advantages.
First off, no side-effects means simpler programs, easier to reason about. No worrying that introducing a new part of program is going to interfere and crash an existing, working part.
Second, this makes program trivially parallelizable (efficient par...
valueOf() vs. toString() in Javascript
...bject Object]' One primitive, one object, `ToPrimitive` passed no hint, meaning conversion to string will occur, one of the operands is now a string, String(1) + String({}), `1[object Object]`
[] + [] // '' Two objects, `ToPrimitive` passed no hint, String([]) + String([]), '' (empty strin...
Why is a git 'pull request' not called a 'push request'?
...ot push.
So, I request them to perform a pull from me - which indirectly means that I am requesting them to accept my push.
So, no request for push. Only for a pull. And for acceptance of a push.
Hence, a 'pull' request. And not a 'push' request.
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Throw keyword in function's signature
... the behavior of your code, just put a comment above it. Not sure what you mean with the second part. Exceptions you will never catch even if you try?
– jalf
Apr 1 '16 at 10:09
4
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Where to put include statements, header or source?
... yet again.
Note that most headers should only contain declarations. This means adding an unnecessary header shouldn't (normally) have any effect on your final executable. The worst that happens is that it slows compilation a bit.
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Windows XP or later Windows: How can I run a batch file in the background with no window displayed?
...th the Windows Script Host Run() method, which takes:
intWindowStyle : 0 means "invisible windows"
bWaitOnReturn : false means your first script does not need to wait for your second script to finish
Here is invis.vbs:
set args = WScript.Arguments
num = args.Count
if num = 0 then
WScript.E...
.gitignore and “The following untracked working tree files would be overwritten by checkout”
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@marcamillion: What do you mean by "that worked"? If the files were tracked on the branch you switched to, you've overwritten them with your versions, which could be different...
– Cascabel
Feb 1 '11 at 6:30
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?
When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView .
17 Answers
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Must qualify the allocation with an enclosing instance of type GeoLocation
...ure:
FILE GeoLocation.java
public class GeoLocation {
public static void main(String[] args) throws InterruptedException {
int size = 10;
// create thread pool with given size
ExecutorService service = Executors.newFixedThreadPool(size);
// queue some tasks
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What is Serialization?
...with Object-Oriented Programming (OOP) and would like to know: what is the meaning of serialization in OOP parlance?
15 Ans...