大约有 40,000 项符合查询结果(耗时:0.0565秒) [XML]

https://stackoverflow.com/ques... 

UIButton Long Press Event

... UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)]; [self.button addGestureRecognizer:longPress]; [longPress release]; And then implement the method that handles the gesture - (void)longPress:(UILongPressGestureRecog...
https://stackoverflow.com/ques... 

How to drop column with constraint?

...'alter table tbloffers drop constraint ['+dc.NAME+N']' from sys.default_constraints dc JOIN sys.columns c ON c.default_object_id = dc.object_id WHERE dc.parent_object_id = OBJECT_ID('tbloffers') AND c.name = N'checkin' IF @@ROWCOUNT = 0 BREAK EXEC (@sql) END ...
https://stackoverflow.com/ques... 

How to prevent a background process from being stopped after closing SSH client in Linux

... I would recommend using GNU Screen. It allows you to disconnect from the server while all of your processes continue to run. I don't know how I lived without it before I knew it existed. ...
https://stackoverflow.com/ques... 

How to have git log show filenames like svn log -v

...ncouraged to use git-log[1] instead. The whatchanged command is essentially the same as git-log[1] but defaults to show the raw format diff output and to skip merges. The command is kept primarily for historical reasons; fingers of many people who learned Git long before git log was i...
https://stackoverflow.com/ques... 

Will Emacs make me a better programmer? [closed]

... who are merely good or competent will pick up an IDE and get to know it really well, and maybe do decently enough in it, but they'll restrict themselves to what the IDE provides for them. In other words, they adapt themselves to the IDE. The great programmers, on the other hand, will adapt their en...
https://stackoverflow.com/ques... 

How to escape single quotes within single quoted strings

... If you really want to use single quotes in the outermost layer, remember that you can glue both kinds of quotation. Example: alias rxvt='urxvt -fg '"'"'#111111'"'"' -bg '"'"'#111111'"'" # ^^^^^ ^^^^^ ^...
https://stackoverflow.com/ques... 

Comparing two dataframes and getting the differences

...df2, works only for dataframes with identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order. If I got you right, you want not to find changes, but symmetric difference. For that, o...
https://stackoverflow.com/ques... 

Print a list in reverse order with range()?

...te: If you want to use only range to achieve the same result, you can use all its parameters. range(start, stop, step) For example, to generate a list [5,4,3,2,1,0], you can use the following: range(5, -1, -1) It may be less intuitive but as the comments mention, this is more efficient and the ...
https://stackoverflow.com/ques... 

How can I get the behavior of GNU's readlink -f on a Mac?

...in your own script where you'd like to call readlink -f #!/bin/sh TARGET_FILE=$1 cd `dirname $TARGET_FILE` TARGET_FILE=`basename $TARGET_FILE` # Iterate down a (possible) chain of symlinks while [ -L "$TARGET_FILE" ] do TARGET_FILE=`readlink $TARGET_FILE` cd `dirname $TARGET_FILE` T...
https://stackoverflow.com/ques... 

How does the C# compiler detect COM types?

...peech API, where you're able to "instantiate" the interface SpVoice (but really, you're instantiating SPVoiceClass). [CoClass(typeof(SpVoiceClass))] public interface SpVoice : ISpeechVoice, _ISpeechVoiceEvents_Event { } sh...