大约有 49,000 项符合查询结果（耗时：0.0920秒） [XML]
Can the Unix list command 'ls' output numerical chmod permissions?
...or(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
share
|
improve this answer
|
follow
|
...
What is the use for IHttpHandler.IsReusable?
...
This property indicates if multiple requests can be processed with the same IHttpHandler instance. By default at the end of a request pipeline all http handlers that are placed in the handlerRecycleList of the HttpApplication are set to null. If a h...
Table Header Views in StoryBoards
...
This only seems to work if you have at least one prototype cell in the table.
– Accatyyc
Nov 28 '12 at 10:31
4
...
What does !! mean in ruby?
... Why not just return .nil? instead of using !!? Is there a difference?
– ashes999
Sep 3 '14 at 13:52
3
...
Android: Why does long click also trigger a normal click?
...cate that you have handled the event and it should stop here; return false if you have not handled it and/or the event should continue to any other on-click listeners.
Are you returning true from your onLongClick() and still getting the normal click event?
Edited to add: For a ListView, you may b...
Change SVN repository URL
...locate is used when the SVN server's location changes. switch is only used if you want to change your local working copy to another branch or another path. If using TortoiseSVN, you may follow instructions from the TortoiseSVN Manual. If using the SVN command line interface, refer to this section o...
What is the best way to test for an empty string with jquery-out-of-the-box?
...
if (!a) {
// is emtpy
}
To ignore white space for strings:
if (!a.trim()) {
// is empty or whitespace
}
If you need legacy support (IE8-) for trim(), use $.trim or a polyfill.
...
In a javascript array, how do I get the last 5 elements, excluding the first element?
...
You can call:
arr.slice(Math.max(arr.length - 5, 1))
If you don't want to exclude the first element, use
arr.slice(Math.max(arr.length - 5, 0))
share
|
improve this answer
...
How to compile without warnings being treated as errors?
... set, by default warnings aren't treated as errors by any compiler I know. If you can't find it, you can try overriding it with -Wno-error, as nightcracker suggested. That should work unless the -Werror is passed after the flags you set in CFLAGS in the makefile.
– Daniel Fisch...
Mod in Java produces negative numbers [duplicate]
...e by doing this:
int i = (((-1 % 2) + 2) % 2)
or this:
int i = -1 % 2;
if (i<0) i += 2;
(obviously -1 or 2 can be whatever you want the numerator or denominator to be)
share
|
improve this ...