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Difference between initLoader and restartLoader in LoaderManager
...new loader completes its work) and then creates a new one.
Thus said it's now clear when to use initLoader and when to use restartLoader and why it makes sense to have the two methods.
initLoader is used to ensure there's an initialized loader. If none exists a new one is created, if one already ex...
How to use NSCache
...Object: myWidget forKey: @"Important Widget"];
}
// myWidget should exist now either way. Use it here.
if (myWidget) {
[myWidget runOrWhatever];
}
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How to close a Java Swing application from the code
...l(true) method in the WindowClose Eventlistener and the program terminates now. Thanks!
– Hans-Peter Störr
Jul 9 '09 at 13:05
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Webfonts or Locally loaded fonts?
...whichever option ends up with the smallest code and smallest font format.
Now, on to the CSS vs JS consideration. Let's look at the following piece of HTML:
<head>
<script type="text/javascript" src="script1.js"></script>
<link rel="stylesheet" type="text/css" href="st...
detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
examining history of deleted file
...
When you want to look at old files you really should know the difference between:
svn cat http://server/svn/project/file -r 1234
and
svn cat http://server/svn/project/file@1234
The first version looks at the path that is now available as http://server/svn/project/file and ...
How to make a class conform to a protocol in Swift?
...s inherit from NSObject and conform to the UITableViewDataSource together. Now if you want to modify the functions in the protocol, you need to add keyword override before the function call, like this
class CustomDataSource : NSObject, UITableViewDataSource {
override func tableView(_ tableVie...
Key hash for Android-Facebook app
...d it.It contain nothing except one file with some data. Please help me to know more.
– Ravikiran
Feb 8 '12 at 8:42
2
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How to change spinner text size and text color?
...ndroid:textColor="#FF0000"
android:padding="5dip"
/>
Now use this file to show your spinner items like:
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, R.layout.spinner_item,list);
You don't need to set the drop down resource. It will take spinner_i...
vertical align middle in
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I have needed to know this simple line-height solution my entire professional life and only learned of it now. Thank you, Mr. Alien.
– Nathan Beach
Nov 30 '18 at 19:30
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