大约有 34,900 项符合查询结果（耗时：0.0321秒） [XML]
Determine if string is in list in JavaScript
In SQL we can see if a string is in a list like so:
14 Answers
14
...
How can I search for a multiline pattern in a file?
...
Why don't you go for awk:
awk '/Start pattern/,/End pattern/' filename
share
|
improve this answer
|
follow
...
Changing website favicon dynamically
...ion that's branded according to the user that's currently logged in. I'd like to change the favicon of the page to be the logo of the private label, but I'm unable to find any code or any examples of how to do this. Has anybody successfully done this before?
...
Exception 'open failed: EACCES (Permission denied)' on Android
... WARNING In android 4.4.4 do not use the parameter android:maxSdkVersion="18". It was generating this exception
– guisantogui
Aug 26 '14 at 22:39
1
...
How do I animate constraint changes?
...mportant notes:
You need to call layoutIfNeeded within the animation block. Apple actually recommends you call it once before the animation block to ensure that all pending layout operations have been completed
You need to call it specifically on the parent view (e.g. self.view), not the child ...
grep a file, but show several surrounding lines?
I would like to grep for a string, but also show the preceding five lines and the following five lines as well as the matched line. How would I be able to do this?
...
What does ':' (colon) do in JavaScript?
...
yfeldblumyfeldblum
62.2k1010 gold badges125125 silver badges167167 bronze badges
...
How to enable mod_rewrite for Apache 2.2
I've got fresh install of Apache 2.2 on my Vista machine, everything works fine, except mod rewrite.
15 Answers
...
Convert InputStream to byte array in Java
...
You can use Apache Commons IO to handle this and similar tasks.
The IOUtils type has a static method to read an InputStream and return a byte[].
InputStream is;
byte[] bytes = IOUtils.toByteArray(is);
Internally this creates a ByteArrayOutputStream and copies the bytes to the outp...
Generate a random alphanumeric string in Cocoa
...
Here's a quick and dirty implementation. Hasn't been tested.
NSString *letters = @"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-(NSString *) randomStringWithLength: (int) len {
NSMutableString *randomString = ...