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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...
Name of this month (Date.today.month as name)
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edited Jan 23 '15 at 23:15
answered Jan 30 '11 at 17:18
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How slow are .NET exceptions?
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207
I'm on the "not slow" side - or more precisely "not slow enough to make it worth avoiding them...
diff current working copy of a file with another branch's committed copy
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edited Sep 2 '16 at 0:37
Cymen
12.2k33 gold badges4444 silver badges6767 bronze badges
an...
Returning value from Thread
...ler"){
@Override
public void run(){
value[0] = 2;
latch.countDown(); // Release await() in the test thread.
}
};
uiThread.start();
latch.await(); // Wait for countDown() in the UI thread. Or could uiThread.join();
// value[0] holds 2 at...
How do I remove objects from a JavaScript associative array?
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Ben Aston
43.2k4949 gold badges174174 silver badges293293 bronze badges
answered Dec 6 '08 at 6:46
Dennis CDennis ...
Java: parse int value from a char
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String element = "el5";
int x = Character.getNumericValue(element.charAt(2));
System.out.println("x=" + x);
produces:
x=5
The nice thing about getNumericValue(char) is that it also works with strings like "el٥" and "el५" where ٥ and ५ are the digits 5 in Eastern Arabic and Hindi/Sanskri...
How to get NSDate day, month and year in integer format?
...onth and year components of NSDate in integer form i.e. if the date is 1/2/1988 then I should get 1, 2 and 1988 separately as an integer. How can I do this in iOS? I found the similar question but the method descriptionWithCalendarFormat : gives a warning and seems to be deprecated by now.
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...erialize objects smaller than BSON.
For example, a simple map {"a":1, "b":2} is serialized in 7 bytes with MessagePack, while BSON uses 19 bytes.
BSON supports in-place updating
With BSON, you can modify part of stored object without re-serializing the whole of the object. Let's suppose a map {"a"...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
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192
For simple situations like the exact example in the OP, I agree that Thierry's answer is the bes...