大约有 44,000 项符合查询结果(耗时:0.0661秒) [XML]
Can Objective-C switch on NSString?
...
Unfortunately they cannot. This is one of the best and most sought after utilizations of switch statements, so hopefully they hop on the (now) Java (and others) bandwagon!
If you are doing card names, perhaps assign each card object an integer value and switch on that. Or pe...
Swift: #warning equivalent
...
In the future, Apple devs may very well release a //WARNING: landmark, or provide the functionality for another named landmark.
To envoke this functionality with Swift in Xcode today however, you could do the following as outlined by Ben Dodson & Jeffrey Sambells:
Add a new Run Sc...
How do I put an already-running process under nohup?
I have a process that is already running for a long time and don't want to end it.
11 Answers
...
When to use enumerateObjectsUsingBlock vs. for
...
Ultimately, use whichever pattern you want to use and comes more naturally in the context.
While for(... in ...) is quite convenient and syntactically brief, enumerateObjectsUsingBlock: has a number of features that may or may not prove interesting:
enumerateObjectsUsingB...
Parsing HTML using Python
... BeautifulSoup object (remember, it's a tree node basically) of the first (and in this case, only) body element of the root element (in our case, html)
– Aadaam
Jul 29 '12 at 12:38
...
How to get instance variables in Python?
...
Every object has a __dict__ variable containing all the variables and its values in it.
Try this
>>> hi_obj = hi()
>>> hi_obj.__dict__.keys()
share
|
improve this answe...
Qt: can't find -lGL error
... edited Jul 30 '18 at 14:05
Rando Hinn
1,1151717 silver badges3232 bronze badges
answered Aug 29 '13 at 6:15
...
How to clone all remote branches in Git?
I have a master and a development branch, both pushed to GitHub . I've clone d, pull ed, and fetch ed, but I remain unable to get anything other than the master branch back.
...
Launching Google Maps Directions via an intent on Android
...
You could use something like this:
Intent intent = new Intent(android.content.Intent.ACTION_VIEW,
Uri.parse("http://maps.google.com/maps?saddr=20.344,34.34&daddr=20.5666,45.345"));
startActivity(intent);
To start the navigation from the current location, remove the saddr para...
How to display line numbers in 'less' (GNU)
What is the command to make less display line numbers in the left column?
6 Answers
...
