大约有 30,000 项符合查询结果（耗时：0.0278秒） [XML]
How to change the blue highlight color of a UITableViewCell?
...: cell.selectedBackgroundView.backgroundColor = [UIColor colorWithHex:@"ecf2f5" andAlpha:1];
– Dannie P
May 1 '14 at 14:28
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...al SIGSEGV, but mine (and it was very hard) was entirely related to this:
https://code.google.com/p/android/issues/detail?id=8709
The libcrypto.so in my dump kind of clued me in. I do a MD5 hash of packet data when trying to determine if I've already seen the packet, and skipping it if I had. I th...
How do I ignore an error on 'git pull' about my local changes would be overwritten by merge?
... is probably the last commit in the master branch
– k3a
Sep 10 '13 at 17:45
32
why HEAD^ instead ...
How does one remove an image in Docker?
... IMAGE ID CREATED VIRTUAL SIZE
kweku360/java latest 08d3a9b8e166 2 weeks ago 5.733 GB`
Finally remove the image using the image ID (only the first three digits are required)
docker rmi 08d
...
Int division: Why is the result of 1/3 == 0?
... static void main(String d[]){
double g=1f/3;
System.out.printf("%.2f",g);
}
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Show a number to two decimal places
...
Alternatively,
$padded = sprintf('%0.2f', $unpadded); // 520 -> 520.00
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... it again.
The program that I used to investigate this can be found here:
https://github.com/CarloWood/ai-statefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx
Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you ...
Only get hash value using md5sum (without filename)
...e command echo -n foo | md5sum outputs 2 shell words to stdout: acbd18db4cc2f85cedef654fccc4a4d8 and - (the - indicates the source as stdin). – You must tell bash to capture those words into a string, using Command Substitution: $( command ). – The ( brackets ) produce a bash array with 2 ele...
Tool to read and display Java .class versions
...1.1 45.3 0x2D
1.2 46.0 0x2E
1.3 47.0 0x2F
1.4 48.0 0x30
5 (1.5) 49.0 0x31
6 (1.6) 50.0 0x32
7 (1.7) 51.0 0x33
8 (1.8) 52.0 0x34
9 53.0 0x35
...
Generate a random alphanumeric string in Cocoa
...= [NSUUID UUID].UUIDString;
Example output: 16E3DF0B-87B3-4162-A1A1-E03DB2F59654.
If you want a smaller random string then you can grab just the first 8 characters.
It's a version 4 UUID which means the first character in the 3rd and 4th group is not random (they will always be 4 and one of 8, 9...