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What does 'public static void' mean in Java?
...rds is also important. All modifiers first (public, static, private, etc.) then the return type (void in this case).
– Pindatjuh
Mar 5 '10 at 21:34
...
Convert NaN to 0 in javascript
...same effect as above.
If the intent was to test for more than just NaN, then you can do the same, but do a toNumber conversion first.
a = +a || 0
This uses the unary + operator to try to convert a to a number. This has the added benefit of converting things like numeric strings '123' to a numb...
How can I maximize the editor pane in IntelliJ IDEA?
...editor pane to make the editor pane take up the entire Eclipse window, and then again to restore the pane back to its previous size exposing the other panes.
...
Remote origin already exists on 'git push' to a new repository
...nit locally and are trying to push it remote, and made a misstep like me). Then follow RobinH's answer: git remote set-url origin git@github.com:username/projectname.git
– Clarence Liu
May 23 '14 at 1:46
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Check if element exists in jQuery [duplicate]
...
Try to check the length of the selector, if it returns you something then the element must exists else not.
if( $('#selector').length ) // use this if you are using id to check
{
// it exists
}
if( $('.selector').length ) // use this if you are using class to check
{
...
What is the difference between the 'COPY' and 'ADD' commands in a Dockerfile?
...r archive in a recognized compression format (identity, gzip, bzip2 or xz) then it is unpacked as a directory. Resources from remote URLs are not decompressed.
Note that the Best practices for writing Dockerfiles suggests using COPY where the magic of ADD is not required. Otherwise, you (since yo...
String concatenation: concat() vs “+” operator
...t quite.
Firstly, there's a slight difference in semantics. If a is null, then a.concat(b) throws a NullPointerException but a+=b will treat the original value of a as if it were null. Furthermore, the concat() method only accepts String values while the + operator will silently convert the argumen...
Authorize a non-admin developer in Xcode / Mac OS
...
This solution worked for me for about 10 minutes, and then for some reason it started asking for my username/password again. I tried typing it into Terminal again, but it no longer responds.
– jowie
Jun 19 '12 at 11:33
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How to apply multiple transforms in CSS?
...before rotate. As for me no matter what i do, element is rotated first and then skewed which results in something that is not what i want.
– Muhammad Umer
Sep 7 '13 at 19:50
2
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Deleting multiple elements from a list
... them aren't deleting elements in a list, are they? (But making a copy and then replacing the original one with the edited copy).
Why not just delete the higher index first?
Is there a reason for this?
I would just do:
for i in sorted(indices, reverse=True):
del somelist[i]
If you really do...