大约有 32,000 项符合查询结果（耗时：0.0575秒） [XML]
How to drop unique in MySQL?
...lumn exists (error 150) . To get this to work, drop the foreign key first, then drop the index, and recreate the foreign key afterwards. e.g ALTER TABLE fuinfo DROP foreign key fk_name_for_email;
– Brad Parks
Dec 12 '12 at 20:08
...
SQL how to increase or decrease one for a int column in one command
...re a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
6 Answers
...
Getting the filenames of all files in a folder [duplicate]
...) to retrieve an array of File objects for each file in the directory, and then call the getName() method to get the filename.
List<String> results = new ArrayList<String>();
File[] files = new File("/path/to/the/directory").listFiles();
//If this pathname does not denote a directory,...
How enable auto-format code for Intellij IDEA?
...cro Recording
Save the macro with a name (auto format or something else). Then go to
Settings> Keymap> Macros> auto format (the macro name).
Click there and select add keyboard shortcut, then press semicolon and click ok. Now whenever you will press semicolon it will write semicolon and...
Determine the process pid listening on a certain port
...e to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bash script.
...
How to create a jQuery plugin with methods?
...o a default method ("init" here) if the parameter is an object (or null).
Then you can call the methods like so...
$('div').tooltip(); // calls the init method
$('div').tooltip({ // calls the init method
foo : 'bar'
});
$('div').tooltip('hide'); // calls the hide method
$('div').tooltip('update...
How to get a specific version of a file in Mercurial?
...u to print out the contents of a file at any particular revision. You can then redirect its output into some other file. Then you can have the previous known good version of your file and the old version to compare side-by-side.
The reason why Mercurial has a separate update command is that it is...
How do I remove the space between inline/inline-block elements?
...ad in my initial answer was to add font-size: 0 to the parent element, and then declare a sensible font-size on the children.
http://jsfiddle.net/thirtydot/dGHFV/1361/
This works in recent versions of all modern browsers. It works in IE8. It does not work in Safari 5, but it does work in Safari 6....
In Python, how does one catch warnings as if they were exceptions?
...turns a warning because in the event that fxn() does not return a warning, then w will be an empty list. If w is an empty list (i.e. []), then running the code will give you the following error: IndexError: list index out of range. If you're just looking to format or check properties of the captured...
How to quit a java app from within the program
...the program closed normally. You can also change 1 to any number you like, then when you are running your application from a script you can determine if there was an error.
– StormPooper
Nov 24 '11 at 12:59
...