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Why does the arrow (->) operator in C exist?
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364
I'll interpret your question as two questions: 1) why -> even exists, and 2) why . does not a...
java: run a function after a specific number of seconds
...nished.
– skaffman
Feb 13 '10 at 15:40
1
@skaffman: I added a statement from the javadoc. Do you ...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
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204
Using NOT EXISTS:
INSERT INTO TABLE_2
(id, name)
SELECT t1.id,
t1.name
FROM TABLE_1 ...
How to schedule a task to run when shutting down windows
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edited Apr 24 '17 at 20:30
Fabian Röling
74911 gold badge88 silver badges2424 bronze badges
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if else in a list comprehension [duplicate]
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544
>>> l = [22, 13, 45, 50, 98, 69, 43, 44, 1]
>>> [x+1 if x >= 45 else x+5 f...
sql ORDER BY multiple values in specific order?
...'f' THEN 1
WHEN 'p' THEN 2
WHEN 'i' THEN 3
WHEN 'a' THEN 4
ELSE 5 --needed only is no IN clause above. eg when = 'b'
END, id
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PostgreSQL error 'Could not connect to server: No such file or directory'
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104
Check there is no postmaster.pid in your postgres directory, probably /usr/local/var/postgres/
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Are trailing commas in arrays and objects part of the spec?
...f the specification.
Update: Apparently this is new in ES5. In ES3 (page 41), the definition was just:
ObjectLiteral :
{ }
{ PropertyNameAndValueList }
For arrays literals (Section 11.1.4) it is even more interesting (Update: this already existed in ES3):
ArrayLiteral :
[ Elision...
How to align an image dead center with bootstrap
...div class="container">
<div class="row">
<div class="span4"></div>
<div class="span4"><img class="center-block" src="logo.png" /></div>
<div class="span4"></div>
</div>
</div>
In Bootstrap already has css style call .cen...
Check OS version in Swift?
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405
For iOS, try:
var systemVersion = UIDevice.current.systemVersion
For OS X, try:
var s...