大约有 33,000 项符合查询结果(耗时:0.0540秒) [XML]

https://stackoverflow.com/ques... 

How to handle back button in activity

... (back) button e.g. " <- " this is what works for me. (*Note I have an app bar / toolbar in the activity) @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: //finish(); onBackPressed(); ...
https://stackoverflow.com/ques... 

Create request with POST, which response codes 200 or 201 and content

...2:40 GMT Location: http://stackoverflow.com/a/36373586/12597 Content-Type: application/xml <createdResources> <questionID>1860645</questionID> <answerID>36373586</answerID> <primary>/a/36373586/12597</primary> <additional> <resour...
https://stackoverflow.com/ques... 

Gradle: How to Display Test Results in the Console in Real Time?

...gaSwaroop Works out of the box for me. Please make sure that your terminal application supports colors. I personally use iTerm2 app. – Shubham Chaudhary Feb 20 '17 at 15:42 ...
https://stackoverflow.com/ques... 

Convert a string to an enum in C#

...xtension method like this to string as (without namespace control) it will appear on all instances of string whether they hold an enum or not (so 1234.ToString().ToEnum(StatusEnum.None) would be valid but nonsensical) . It's often be best to avoid cluttering Microsoft's core classes with extra metho...
https://stackoverflow.com/ques... 

How to copy text from Emacs to another application on Linux

...own window on X, in KDE, on Kubuntu), I can't paste (yank) it in any other application. 13 Answers ...
https://stackoverflow.com/ques... 

Sass or Compass without ruby?

...ed of ruby by using the libSass. The original answer below may or may not apply to your situation (depends on whether or not your language has implemented support for libSass or not). I decided to leave it the way it is for archive reasons. Sass (requires Ruby) Sass is written in Ruby, so yo...
https://stackoverflow.com/ques... 

Can a foreign key be NULL and/or duplicate?

...at record. A separate table can be "ProposalAssignedTo" or some such, with appropriate constraints. A query writer can then join to that table, and supply their own logic for whatever we want to do when a proposal doesn't have a salesperson. NULL doesn't just mean "we don't know" - it can be used fo...
https://stackoverflow.com/ques... 

Switching between Android Navigation Drawer image and Up caret when using fragments

... but only handle the up caret for the onOptionsItemSelected. In one of my apps I also needed to handle the behavior of the up caret when the back button was pressed. This can be handle by overriding onBackPressed. @Override public void onBackPressed() { // Use getSupportFragmentManager() to su...
https://stackoverflow.com/ques... 

Removing event listener which was added with bind

...tore, add the lines below to the constructor of your component: class App extends React.Component { constructor(props){ super(props); // it's a trick! needed in order to overcome the remove event listener this.onChange = this.onChange.bind(this); } // then as regular.....
https://stackoverflow.com/ques... 

iPhone - Grand Central Dispatch main thread

I have been using with success, grand central dispatch in my apps, but I was wondering what is the real advantage of using something like this: ...