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What is the difference between . (dot) and $ (dollar sign)?
What is the difference between the dot (.) and the dollar sign ($) ?
13 Answers
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How to check if a string is a valid date
...d want to check whether or not it is a valid date.
What is the best way to do it?
14 Answers
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How to print to console when using Qt
... print some variables in my console at run-time, not debugging, but cout doesn't seem to work even if I add the libraries. Is there a way to do this?
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Command prompt won't change directory to another drive
I'm trying to compile some java (learning java currently), and to do so I need to change command-prompt's directory (using javac).
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A monad is just a monoid in the category of endofunctors, what's the problem?
...nce is this:
All told, a monad in X is just a monoid in the category of endofunctors of X, with product × replaced by composition of endofunctors and unit set by the identity endofunctor.
X here is a category. Endofunctors are functors from a category to itself (which is usually all Functors as f...
Tomcat VS Jetty [closed]
I'm wondering about the downsides of each servers in respect to a production environment. Did anyone have big problems with one of the features? Performance, etc. I also quickly took a look at the new Glassfish, does it match up the simple servlet containers (it seems to have a good management inter...
Getting the Value of a UITextField as keystrokes are entered?
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It turns out, the easiest way to do this is using Interface Builder:
Add a IBAction (to the ViewController, say, as in this case)
Ctrl-Click (or right click) on the UITextField in Interface Builder
Connect the "Editing Changed" event to the File's Owner's ...
Android Respond To URL in Intent
...nched when the user goes to a certain url: for example, the android market does this with http://market.android.com/ urls. so does youtube. I want mine to do that too.
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Programmatically stop execution of python script? [duplicate]
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sys.exit() will do exactly what you want.
import sys
sys.exit("Error message")
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How to iterate over a TreeMap? [duplicate]
... a particular value, I want them to be added to a new TreeMap . How can I do this?
4 Answers
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