大约有 8,000 项符合查询结果(耗时:0.0178秒) [XML]

https://stackoverflow.com/ques... 

Why can't overriding methods throw exceptions broader than the overridden method?

...was going through SCJP 6 book by Kathe sierra and came across this explanations of throwing exceptions in overridden method. I quite didn't get it. Can any one explain it to me ? ...
https://stackoverflow.com/ques... 

Table Header Views in StoryBoards

...s surprised to find that this is how it's done. I noticed in my implementation that for this to work correctly I had to delete my heightForHeaderInSection:(NSInteger)section code otherwise I'd end up with extra space above the header view itself. Also, in order for this header to "stick" at the top ...
https://stackoverflow.com/ques... 

Can git operate in “silent mode”?

...doing it to me. Although I have in the past defined a quiet_git shell function like this for use in cron jobs: quiet_git() { stdout=$(tempfile) stderr=$(tempfile) if ! git "$@" </dev/null >$stdout 2>$stderr; then cat $stderr >&2 rm -f $stdout $stderr ...
https://stackoverflow.com/ques... 

Minimal web server using netcat

...calls up localhost:1500, for instance, it should show the result of a function ( date in the example below, but eventually it'll be a python or c program that yields some data). My little netcat web server needs to be a while true loop in bash, possibly as simple as this: ...
https://stackoverflow.com/ques... 

Difference between onStart() and onResume()

I can't get the meaning of onStart() transition state. The onResume() method is always called after onStart() . Why can't it be the onResume() is invoked after onRestart() and onCreate() methods just excluding onStart() ? What is its purpose? ...
https://stackoverflow.com/ques... 

Get underlying NSData from UIImage

... NSData *imageData = UIImageJPEGRepresentation(image, 0.7); // 0.7 is JPG quality or NSData *imageData = UIImagePNGRepresentation(image); Depending if you want your data in PNG format or JPG format. ...
https://stackoverflow.com/ques... 

Bash script to set up a temporary SSH tunnel

...pparently control sockets do not work everywhere. For example, I get Operation not permitted on drone.io continuous integration environment: muxserver_listen: link mux listener ssh-ctrl-socket.wsASkszgSBlK7kqD => ssh-ctrl-socket: Operation not permitted – Mikko Ohtamaa ...
https://stackoverflow.com/ques... 

Is there any way to enforce typing on NSArray, NSMutableArray, etc.?

...g -- experience with Java shows that type variables improve code comprehension and make more refactorings possible. – tgdavies Nov 4 '10 at 16:52 ...
https://stackoverflow.com/ques... 

Perform Segue programmatically and pass parameters to the destination view

...ded to be passed. Meaning, I have to create a state with that data in question in the context shared by two different functions (one triggering segue, the other - preparing). I don't want to dirty the state when all I need is to open a new view with some data... – NeverwinterMo...
https://stackoverflow.com/ques... 

What's the difference between “Architectures” and “Valid Architectures” in Xcode Build Settings?

...ebug build to just NATIVE_ARCH, since you only want to build the debug version for the machine you'll be testing/running it on, and Release builds for the full spectrum of architectures you plan to support. share | ...