大约有 4,570 项符合查询结果（耗时：0.0296秒） [XML]
What's the difference between Thread start() and Runnable run()
... I consider that before we call Thread#start() ,nothing really relative to os thread happens? It is only a java object.
– Jaskey
Dec 6 '14 at 9:38
4
...
source command not found in sh shell
...urce. On Ubuntu, though, /bin/dash is used which does not support source. Most shells use . instead of source. If you cannot edit the script, try to change the shell which runs it.
share
|
improve t...
Difference between java.util.Random and java.security.SecureRandom
...t clearly shows that you should never use an LCG for security-critical purposes. This also means that your random numbers are predictable right now, something you don't want for session IDs and the like.
How to break a Linear Congruential Generator
The assumption that an attacker would have to wai...
How to stop Gradle task execution in Android Studio?
...etail?id=59965
In the meantime about all you can do is to go through your OS and kill the Gradle processes manually, which is a little painful and messy. It's possible that it could leave your build in some intermediate bad state which would mess up future incremental compiles, but I don't know for...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...
With AppKit on OS X you would need to convert to an NSPoint and then call NSStringFromPoint. For example: NSStringFromPoint(NSPointFromCGPoint(point))
– Alex
Aug 22 '12 at 17:56
...
How to connect to my http://localhost web server from Android Emulator
What can I do in the Android emulator to connect it to my localhost web server page at http://localhost or http://127.0.0.1 ?
...
What exactly does stringstream do?
...her numerical types. The usage of stringstream is similar to the usage of iostream, so it is not a burden to learn.
Stringstreams can be used to both read strings and write data into strings. It mainly functions with a string buffer, but without a real I/O channel.
The basic member functions of st...
Bash script to cd to directory with spaces in pathname
I'm using Bash on macOS X and I'd like to create a simple executable script file that would change to another directory when it's run. However, the path to that directory has spaces in it. How the heck do you do this? This is what I have...
...
Failed to build gem native extension (installing Compass)
...
This fixes the error on Ubuntu, but it seems OP is using OSX.
– mhnagaoka
Oct 8 '14 at 5:33
1
...
How to remove all subviews of a view in Swift?
...T: (thanks Jeremiah / Rollo)
By far the best way to do this in Swift for iOS is:
view.subviews.forEach({ $0.removeFromSuperview() }) // this gets things done
view.subviews.map({ $0.removeFromSuperview() }) // this returns modified array
^^ These features are fun!
let funTimes = ["Awesome","Craz...