大约有 46,000 项符合查询结果（耗时：0.0422秒） [XML]
Setting a system environment variable from a Windows batch file?
...s it possible to set a environment variable at the system level from a command prompt in Windows 7 (or even XP for that matter). I am running from an elevated command prompt.
...
How do I sort an NSMutableArray with custom objects in it?
... can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate .
...
How do I execute a bash script in Terminal?
...
$prompt: /path/to/script and hit enter. Note you need to make sure the script has execute permissions.
share
|
improve this answer
|
...
What is the difference between is_a and instanceof?
I am aware that instanceof is an operator and that is_a is a method.
9 Answers
9
...
Tracking the script execution time in PHP
...
On unixoid systems (and in php 7+ on Windows as well), you can use getrusage, like:
// Script start
$rustart = getrusage();
// Code ...
// Script end
function rutime($ru, $rus, $index) {
return ($ru["ru_$index.tv_sec"]*1000 + intval($ru["...
How do you suppress output in IPython Notebook?
...Good thing to know is %%capture is only enabled until the end of the cell, and it must appear before any code in the cell. (So it appears there isn't a way to uncapture within a cell.)
– Arel
Oct 17 '16 at 19:32
...
How can I clear scrollback buffer in Tmux?
...ind -n C-k clear-history
This binds ctrl-k to the tmux clear-history command. The -n after bind makes it so you don't have to issue the tmux command prefix (ctrl-b by default). I use bash, so ctrl-l already does the equivalent of typing "clear" at the command line. With these two keys I get a n...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...or(Color.BLACK), or whatever color you want to clear your Canvas with.
And: how can I update just a part of the screen ?
There is no such method that just update a "part of the screen" since Android OS is redrawing every pixel when updating the screen. But, when you're not clearing old drawing...
Programmatically obtain the phone number of the Android phone
...n I programmatically get the phone number of the device that is running my android app?
17 Answers
...
Emulator error: This AVD's configuration is missing a kernel file
This problem was discovered when I tried to run the Android emulator in Eclipse. Can't figure out what happened. I searched online for the solution, but it seemed to be vague and I don't understand clearly.
I was following the steps to install the AVD according to the sites and I can't figure out w...