大约有 47,000 项符合查询结果（耗时：0.0467秒） [XML]
I want to delete all bin and obj folders to force all projects to rebuild everything
...rgs rm -rf
find . -iname "obj" | xargs rm -rf
and this can be reduced to one line with an OR:
find . -iname "bin" -o -iname "obj" | xargs rm -rf
Note that if your directories of filenames contain spaces or quotes, find will send those entries as-is, which xargs may split into multiple entries. ...
How to get the raw value an field?
...hat is not a valid floating-point number. But if whatwg says it cannot be done; then that's the answer. Workaround for my current need added below.
– Ian Boyd
Sep 17 '13 at 15:45
...
How to convert int[] to Integer[] in Java?
...
Native Java 8 (one line)
With Java 8, int[] can be converted to Integer[] easily:
int[] data = {1,2,3,4,5,6,7,8,9,10};
// To boxed array
Integer[] what = Arrays.stream( data ).boxed().toArray( Integer[]::new );
Integer[] ever = IntStream...
Why would json_encode return an empty string
...
Thanks for your solution... however, one side note: Change the } else { to } else if (is_string ($d)) {; otherwise you will be changing everything to strings (e.g. INT will become a STRING).
– Paul Peelen
Jun 5 '14 at 21:36...
How can I use modulo operator (%) in JavaScript? [duplicate]
...
You can fit 3 exactly 3 times in 9. If you would add 3 one more time to 9, you would end up with 12. But you were dividing 10, so instead you say it's 3 times 9 with the remainder being 1. That's what modulo gets you.
– MarioDS
May 12 '13 at...
Sublime Text 2 and 3: open the same file multiple times
...n.
Type Ctrl-p (Mac: ⌘-p) to get the list of files available.
Select the one you're after and it will be loaded into the current pane
(Even if it's already open in another pane.)
share
|
improve...
Python idiom to return first item or None
...
Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return item
return default
Example:
x ...
How can I view live MySQL queries?
...ke sure that you restarted the server, and also that the file you chose is one that mysql would have write access to.
– Chad Birch
Feb 20 '09 at 15:22
8
...
What does '--set-upstream' do?
... in commits from the <remote-branch> into the current local branch.
One way to avoid having to explicitly type --set-upstream is to use its shorthand flag -u as follows:
git push -u origin local-branch
This sets the upstream association for any future push/pull attempts automatically.
For m...
data.frame rows to a list
...etely abuse the data.frame (as I do) and like to keep the $ functionality, one way is to split you data.frame into one-line data.frames gathered in a list :
> df = data.frame(x=c('a','b','c'), y=3:1)
> df
x y
1 a 3
2 b 2
3 c 1
# 'convert' into a list of data.frames
ldf = lapply(as.list(1:d...