大约有 35,406 项符合查询结果（耗时：0.0405秒） [XML]
Count number of matches of a regex in Javascript
...
|
edited Apr 10 '18 at 20:52
Trevor
11.4k1111 gold badges6767 silver badges9090 bronze badges
...
How to create UILabel programmatically using Swift?
...wDidLoad()
{
super.viewDidLoad()
var label = UILabel(frame: CGRectMake(0, 0, 200, 21))
label.center = CGPointMake(160, 284)
label.textAlignment = NSTextAlignment.Center
label.text = "I'm a test label"
self.view.addSubview(label)
}
Swift 3.0+ Update:
let label = UILabel(frame: CGRect...
Calculating frames per second in a game
...
100
You need a smoothed average, the easiest way is to take the current answer (the time to draw th...
When should I use Struct vs. OpenStruct?
...
180
With an OpenStruct, you can arbitrarily create attributes. A Struct, on the other hand, must ha...
What is a bank conflict? (Doing Cuda/OpenCL programming)
...
105
For nvidia (and amd for that matter) gpus the local memory is divided into memorybanks. Each ba...
Alternatives to gprof [closed]
...
answered Dec 19 '09 at 5:26
Norman RamseyNorman Ramsey
184k5757 gold badges336336 silver badges517517 bronze badges
...
What is the difference between tinyint, smallint, mediumint, bigint and int in MySQL?
...------
tinyint | 1 byte -128 to 127 0 to 255
smallint | 2 bytes -32768 to 32767 0 to 65535
mediumint | 3 bytes -8388608 to 8388607 0 to 16777215
int/integer | 4 bytes -2147483648 to 2147483647 ...
Reading output of a command into an array in Bash
...=$'\n' read -r -d '' -a my_array < <( my_command && printf '\0' )
Please make sure you use exactly this form, i.e., make sure you have the following:
IFS=$'\n' on the same line as the read statement: this will only set the environment variable IFS for the read statement only. So it...
mongo - couldn't connect to server 127.0.0.1:27017
...hing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod process
Provide the log file activity from the mongod startup as well as
logs during the mongo shell startup atte...
What does value & 0xff do in Java?
... = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to operate only on int values1, so what happens is:
value is promoted to an int (ff ff ff fe).
0xff is an int literal (00 00 00 ff).
The & is applied to yield...