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Difference between == and === in JavaScript [duplicate]
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So, if I do for example: if (input == null) ..., will it also make the condition true when input is undefined?
– Filip Vondrášek
Jan 25 '13 at 23:42
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Possible reasons for timeout when trying to access EC2 instance
...ance - Operation timed out. What could be the reasons why, and what can I do to resolve it? Rebooting normally takes a long time to take effect, and might just makes things worst
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Looping in a spiral
...= X/2) and (-Y/2 < y <= Y/2):
print (x, y)
# DO STUFF...
if x == y or (x < 0 and x == -y) or (x > 0 and x == 1-y):
dx, dy = -dy, dx
x, y = x+dx, y+dy
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With bash, how can I pipe standard error into another process?
...t only 1 of them receives it, then you may be in an awkward situation. Try doing testing with something like grep instead. Plus you might find that both mouse/keyboard inputs are going to the 2nd command anyway rather than to weston.
– BeowulfNode42
Jun 28 '18 ...
How to read a file in reverse order?
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Alas, this doesn't work if you can't fit the whole file in memory.
– vy32
Feb 28 '10 at 19:31
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How to implement onBackPressed() in Fragments?
... for your return, you could have edited the post, to make your correction. Do not severely judge the overall solution.
– Maxime Jallu
Dec 14 '18 at 14:45
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How to set date format in HTML date input tag?
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You don't.
Firstly, your question is ambiguous - do you mean the format in which it is displayed to the user, or the format in which it is transmitted to the web server?
If you mean the format in which it is displayed to the us...
Listing only directories using ls in Bash?
...t to directories). Similarly, to list all subdirectories under /home/alice/Documents, use ls -d /home/alice/Documents/*/
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Undo git mv (rename)
What is the right way to undo a rename in git, like:
9 Answers
9
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What is the equivalent of the C++ Pair in Java?
...esence of a Pair construct in Java. The main argument is that a class Pair doesn't convey any semantics about the relationship between the two values (how do you know what "first" and "second" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each applicati...