大约有 30,000 项符合查询结果（耗时：0.0466秒） [XML]
java.lang.OutOfMemoryError: Java heap space
...to find out why your heap size is being eaten. NetBeans has a very good profiler included with it. I believe it uses the jvisualvm under the hood. With a profiler, you can try to find where many objects are being created, when objects get garbage collected, and more.
...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...ion. You have no control over the dimensions of the rendering of the image file. In normal use, you can control the height-width of an image, if the file is specified in the source. But this is basically no different from a div with a background image, where if your div is bigger than the image, you...
Reference — What does this symbol mean in PHP?
...epending on where they are used.
__LINE__: The current line number of the file.
__FILE__: The full path and filename of the file. If used inside an include, the name of the included file is returned. Since PHP 4.0.2, __FILE__ always contains an absolute path with symlinks resolved whereas in older...
MySQL error 2006: mysql server has gone away
I'm running a server at my office to process some files and report the results to a remote MySQL server.
28 Answers
...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
... i=0 returns 'a',
// i=1 returns 'b', etc
}
share
|
improve this answer
|
follow
|
...
Finding diff between current and last version
...ne commit, and git show HEAD~2, etc. for older commits. Show just a single file via git show HEAD~2 my_file.
– Florian Brucker
Mar 3 '16 at 10:43
add a comment
...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
...to (non-trivial) collaborators
Access the network
Hit a database
Use the file system
Spin up a thread
etc.
Any kind of dependency that is slow / hard to understand / initialise / manipulate should be stubbed/mocked/whatevered using the appropriate techniques so you can focus on what the unit of ...
Static nested class in Java, why?
...Example for such kind of usage, you can find in Android R.java (resources) file.
Res folder of android contains layouts (containing screen designs), drawable folder (containing images used for project), values folder (which contains string constants), etc..
Sine all the folders are part of Res fold...
ab load testing
...ts, you'll want to test Wordpress instead of some static HTML or index.php file because you need to know how everything performs together: including complex PHP code, and multiple MySQL queries...
For example here is the results of testing a fresh install of Wordpress on the same system and WAMP en...
How do I prevent commands from showing up in Bash history?
...
In your .bashrc/.bash_profile/wherever you want, put export HISTIGNORE=' *'. Then just begin any command you want to ignore with one space.
$ ls # goes in history
$ ls # does not
...