大约有 47,000 项符合查询结果(耗时:0.0657秒) [XML]
Remove all whitespaces from NSString
...en trying to get rid of the white spaces in an NSString , but none of the methods I've tried worked.
11 Answers
...
Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse
...on. ("Ok", "MovedPermanently", etc.) Is the number buried in a property somewhere in the response object? Any ideas other than creating a big switch function? Thanks.
...
How to convert float to varchar in SQL Server
...
@Martin Smith, It seems to work, but the same way as decimal, so I'm not sure if it's the real value(last ten digits are zero). I guess, that the real value was lost. Thank you!
– hgulyan
Sep 15 '10 at 9:44
...
Include all existing fields and add new fields to document
...oject stage that explicitly specifies all existing fields in the input documents and adds the new fields.
db.collection.aggregate([
{ "$addFields": { "custom_field": "$obj.obj_field1" } }
])
share
|
...
How to extract the substring between two markers?
...
Using regular expressions - documentation for further reference
import re
text = 'gfgfdAAA1234ZZZuijjk'
m = re.search('AAA(.+?)ZZZ', text)
if m:
found = m.group(1)
# found: 1234
or:
import re
text = 'gfgfdAAA1234ZZZuijjk'
try:
found = re.se...
Print a file, skipping the first X lines, in Bash [duplicate]
...
You'll need tail. Some examples:
$ tail great-big-file.log
< Last 10 lines of great-big-file.log >
If you really need to SKIP a particular number of "first" lines, use
$ tail -n +<N+1> <filename>
< filename, excluding f...
download and install visual studio 2008 [closed]
...ss1: In order to run a VB6 app, you only need the redistributable VB6 runtime, not the whole Visual Studio.
– Dr. Koutheir Attouchi
May 21 at 16:54
...
GSON - Date format
...t, but .setDateFormat(DateFormat.FULL) doesn't seem to work and it the same with .registerTypeAdapter(Date.class, new DateSerializer()) .
...
Overwriting my local branch with remote branch [duplicate]
...nd it didn't work: git fetch --all, git reset --hard SHA1OFANOLDCOMMIT, (some other stuff), git reset --hard origin/branch. The end result was that I was still at the old commit. So, this approach may work in some cases, but I think it doesn't work in all.
– greggles
...
How to show the loading indicator in the top status bar
I have noticed that some apps like Safari and Mail show a loading indicator in the status bar (the bar at the very top of the phone) when they are accessing the network. Is there a way to do the same thing in SDK apps, or is this an Apple only thing?
...
