大约有 9,000 项符合查询结果（耗时：0.0281秒） [XML]
How to get the index of an item in a list in a single step?
How can I find the index of an item in a list without looping through it?
7 Answers
7
...
Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
...
Can't use method return value in write context
I would think the following piece of code should work, but it doesn't (Edited: Now works in PHP 5.5+) :
8 Answers
...
Remove NA values from a vector
I have a huge vector which has a couple of NA values, and I'm trying to find the max value in that vector (the vector is all numbers), but I can't do this because of the NA values.
...
Couldn't register with the bootstrap Server
I just changed some code in my program and got this error:
21 Answers
21
...
Can I obtain method parameter name using Java reflection?
...
To summarize:
getting parameter names is possible if debug information is included during compilation. See this answer for more details
otherwise getting parameter names is not possible
getting parameter type is possible, using method.getParameter...
pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
...
How do I run a batch file from my Java Application?
In my Java application, I want to run a batch file that calls " scons -Q implicit-deps-changed build\file_load_type export\file_load_type "
...
MVC which submit button has been pressed
...
Name both your submit buttons the same
<input name="submit" type="submit" id="submit" value="Save" />
<input name="submit" type="submit" id="process" value="Process" />
Then in your controller get the value of submit. Only the button clicked will pass its ...
Automatically open Chrome developer tools when new tab/new window is opened
I have HTML5 application which opens in a new window by clicking a link. I'm a bit tired of pressing Shift + I each time I want to logging network communication to launch Developer tools because I need it always. I was not able to find an option to keep Developer Tools always enabled on startup....