大约有 34,900 项符合查询结果（耗时：0.0439秒） [XML]
How to call a method after a delay in Android
...wing method after a specified delay.
In objective c there was something like:
31 Answers
...
How to execute a file within the python interpreter?
...
Nav
15.8k2525 gold badges7474 silver badges117117 bronze badges
answered Jun 22 '09 at 15:08
S.LottS.Lott
...
How can I implement prepend and append with regular JavaScript?
...
Perhaps you're asking about the DOM methods appendChild and insertBefore.
parentNode.insertBefore(newChild, refChild)
Inserts the node newChild as a child of parentNode before the
existing child node refChild. (Returns newChild.)
...
How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
...
Is using Random and OrderBy a good shuffle algorithm?
...
It's not a way of shuffling that I like, mostly on the grounds that it's O(n log n) for no good reason when it's easy to implement an O(n) shuffle. The code in the question "works" by basically giving a random (hopefully unique!) number to each element, then ord...
What are Java command line options to set to allow JVM to be remotely debugged?
I know there's some JAVA_OPTS to set to remotely debug a Java program.
8 Answers
8
...
Is there “0b” or something similar to represent a binary number in Javascript
I know that 0x is a prefix for hexadecimal numbers in Javascript. For example, 0xFF stands for the number 255.
10 Answe...
Trying to SSH into an Amazon Ec2 instance - permission error
...s having wrong mod on the file.
Easily solved by executing -
chmod 400 mykey.pem
Taken from Amazon's instructions -
Your key file must not be publicly viewable for SSH to work. Use this
command if needed: chmod 400 mykey.pem
400 protects it by making it read only and only for the owner.
...
Best way to clear a PHP array's values
...
Like Zack said in the comments below you are able to simply re-instantiate it using
$foo = array(); // $foo is still here
If you want something more powerful use unset since it also will clear $foo from the symbol table, if...
How do I bind to list of checkbox values with AngularJS?
I have a few checkboxes:
29 Answers
29
...