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What does @@variable mean in Ruby?
...his means that only one variable value exists for all objects instantiated from this class. If one object instance changes the value of the variable, that new value will essentially change for all other object instances.
Another way of thinking of thinking of class variables is as global variables ...
Why array implements IList?
...
that'a actually a good answer from the documentation's point of view. But to me it rather looks like a hack. Interfaces must be thin and simple in order for a class to implement all the members.
– oleksii
May 11 '11 ...
ADB Android Device Unauthorized
...rompt for authorization it might be because the account you're running adb from doesn't have permission to handle keys. If this happens to you, try it elevated permissions (e.g. sudo).
– MatrixManAtYrService
Aug 27 '17 at 20:54
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Best way to remove an event handler in jQuery?
... way to use live(), never thought about using it this way before ... Aside from coding convenience, is it faster or does it offer any other advantages to using bind/unbind?
– chakrit
Mar 11 '10 at 16:53
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How do you Programmatically Download a Webpage in Java
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You'd most likely need to extract code from a secure web page (https protocol). In the following example, the html file is being saved into c:\temp\filename.html Enjoy!
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileWriter;
imp...
UILabel - auto-size label to fit text?
....width;
}
@end
You could more simply use the sizeToFit method available from the UIView class, but set the number of lines to 1 to be safe.
iOS 6 update
If you are using AutoLayout, then you have a built in solution. By setting the number of lines to 0, the framework will resize your label ap...
iOS - Build fails with CocoaPods cannot find header files
...make sure that it pulls in any search paths included in the .xcconfig file from your CocoaPods.
This should help with any conflicts and get your source imported correctly.
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How do I use HTML as the view engine in Express?
I tried this simple change from the seed and created the corresponding .html files (e.g. index.html).
16 Answers
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How do I monitor the computer's CPU, memory, and disk usage in Java?
...eratingSystemMXBean.class);
// What % CPU load this current JVM is taking, from 0.0-1.0
System.out.println(osBean.getProcessCpuLoad());
// What % load the overall system is at, from 0.0-1.0
System.out.println(osBean.getSystemCpuLoad());
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jQuery ajax error function
... // Your error handling logic here..
}
We are using the status property from this object to get the error code, like if we get status = 404 this means that requested page could not be found. It doesn't exists at all. Based on that status code we can redirect users to login page or whatever our bu...