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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
I know that the >= operator means more than or equal to, but I've seen => in some source code. What's the meaning of that operator?
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Good way of getting the user's location in Android
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MySQL - why not index every field?
...ex must be updated any time a row is updated, inserted, or deleted. So the more indexes you have, the slower performance you'll have for write operations.
Also, every index takes up further disk space and memory space (when called), so it could potentially slow read operations as well (for large ta...
How to print a number with commas as thousands separators in JavaScript
...entioned that this function adds commas in undesirable places if there are more than 3 digits after the decimal point. If this is a problem, you can use this function:
function numberWithCommas(x) {
var parts = x.toString().split(".");
parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",...
Using a piano keyboard as a computer keyboard [closed]
....com.
And for the other part, translating keyboard midi notes to keys and more, I would go for AutoItX, the ActiveX/COM and DLL interface to autoIt. Info and download, go to http://www.autoitscript.com/site/autoit/
No need to write keyboard driver.
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What's the difference between deadlock and livelock?
...k is a risk with
some algorithms that detect and
recover from deadlock. If more than
one process takes action, the deadlock
detection algorithm can be repeatedly
triggered. This can be avoided by
ensuring that only one process (chosen
randomly or by priority) takes action.
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How to make the 'cut' command treat same sequental delimiters as one?
...y isn't), in contrast with the awk solution. The awk solution is also much more readable and less verbose.
– n.caillou
Apr 4 '18 at 23:31
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How to calculate date difference in JavaScript?
... @trisweb—even something as simple as getting a difference in days is more complex than your comment. How many days between 10pm Tuesday and 9am Wednesday? Your algorithm says 0. Others might think 1.
– RobG
Oct 19 '15 at 1:53
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JavaScript editor within Eclipse [closed]
...e as an Eclipse plugin. I've been using Spket which is good. But, is there more better one?
8 Answers
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How do I check if file exists in Makefile so I can delete it?
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More concise: FILE_EXISTS := $(or $(and $(wildcard $(PATH_TO_FILE)),1),0)
– cmaster - reinstate monica
Nov 16 '18 at 14:57
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