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What is the difference between & vs @ and = in angularJS
...gularJS. can anybody explain me the difference among these AngularJS operators: &, @ and = when isolating scope with proper example.
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Shell command to sum integers, one per line?
I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers.
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How do I check if a string contains another string in Objective-C?
...if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");
} el...
Capture iframe load complete event
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<iframe> elements have a load event for that.
How you listen to that event is up to you, but generally the best way is to:
1) create your iframe programatically
It makes sure your load listener is always called by attaching it before the iframe starts loadi...
Python: reload component Y imported with 'from X import Y'?
In Python, once I have imported a module X in an interpreter session using import X , and the module changes on the outside, I can reload the module with reload(X) . The changes then become available in my interpreter session.
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.htaccess redirect all pages to new domain
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My bad... it does work, my hosting service had some other redirect on which was fu**** things up. Thanks! :)
– Yuval Adam
Dec 22 '09 at 10:59
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Avoid synchronized(this) in Java?
... lock (very popular this one, also has an
"accidentally" variant)
I'm more worried about accidentally. What it amounts to is that this use of this is part of your class' exposed interface, and should be documented. Sometimes the ability of other code to use your lock is desired. This is true ...
What is the use of interface constants?
...d implementing that interface) is a bad practice and there is even a name for it, the Constant Interface Antipattern, see Effective Java, Item 17:
The constant interface pattern is a poor use of interfaces. That a class uses some constants internally is an implementation detail. Implementing a c...
Exception 'open failed: EACCES (Permission denied)' on Android
... <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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<application>
...
<activity>
...
</activity>
</application>
</manifest>
The uses-permission tag...
Android: open activity without save into the stack
.../ Your list's Intent
i.setFlags(i.getFlags() | Intent.FLAG_ACTIVITY_NO_HISTORY); // Adds the FLAG_ACTIVITY_NO_HISTORY flag
startActivity(i);
The FLAG_ACTIVITY_NO_HISTORY flag keeps the new Activity from being added to the history stack.
NB: As @Sam points out, you can use i.addFlags(Intent.FLAG_A...