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What is the relationship between Looper, Handler and m>Me m>ssageQueue in Android?
I have checked the official Android docum>me m>ntation/guide for Looper , Handler and m>Me m>ssageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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Dismiss keyboard by touching background of UITableView
...re recognizer object to your table view.
E.g. Perhaps in your viewDidLoad m>me m>thod:
UITapGestureRecognizer *gestureRecognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(hideKeyboard)];
[self.tableView addGestureRecognizer:gestureRecognizer];
And the hideKeyboard m>me m>thod ...
log4j: Log output of a specific class to a specific appender
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An example:
log4j.rootLogger=ERROR, logfile
log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.datePattern='-'dd'.log'
log4j.appender.logfile.File=log/radius-prod.log
log4j.appender.logfile.la...
How to swap keys and values in a hash
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Ruby has a helper m>me m>thod for Hash that lets you treat a Hash as if it was inverted (in essence, by letting you access keys through values):
{a: 1, b: 2, c: 3}.key(1)
=> :a
If you want to keep the inverted hash, then Hash#invert should wo...
C++ Modules - why were they removed from C++0x? Will they be back later on?
I just discovered this old C++0x draft about modules in C++0x.
4 Answers
4
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What is the difference between quiet NaN and signaling NaN?
I have read about floating-point and I understand that NaN could result from operations. But I can't understand what these are concepts exactly. What is the difference between them?
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check if variable is datafram>me m>
when my function f is called with a variable I want to check if var is a pandas datafram>me m>:
2 Answers
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How do you list the active minor modes in emacs?
How do you list the active minor modes in emacs?
5 Answers
5
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IntelliJ IDEA hint param>me m>ters of m>me m>thod
I'm just swapping from eclipse to IntelliJ, and I can't find this particular feature.
5 Answers
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What is the 'instanceof' operator used for in Java?
...rator used to test if an object (instance) is a subtype of a given Type.
Imagine:
interface Dom>me m>stic {}
class Animal {}
class Dog extends Animal implem>me m>nts Dom>me m>stic {}
class Cat extends Animal implem>me m>nts Dom>me m>stic {}
Imagine a dog object, created with Object dog = new Dog(), then:
dog instanceof...