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How do I include negative decimal numbers in this regular expression?
...n optional hyphen at the beginning by adding -? (? is a quantifier meaning one or zero occurrences):
^-?[0-9]\d*(\.\d+)?$
I verified it in Rubular with these values:
10.00
-10.00
and both matched as expected.
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
... not, is there a list of screen resolutions for the most popular Android phones and tablets.
7 Answers
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Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
...ll clean and then build the solution from scratch, ignoring anything it's done before. The difference between this and "Clean, followed by Build" is that Rebuild will clean-then-build each project, one at a time, rather than cleaning all and then building all.
Clean solution will remove the build ar...
Java Regex Capturing Groups
I am trying to understand this code block. In the first one, what is it we are looking for in the expression?
4 Answers
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Easy way to dismiss keyboard?
...rchy for the text field that is currently the first responder. If it finds one, it asks that text field to resign as first responder. If the force parameter is set to YES, the text field is never even asked; it is forced to resign." - so this is IMO the correct answer to the original question (use-c...
Correct way to remove plugin from Eclipse
...hen you make a major update and fail. But Sandmans solution is the correct one for just a single feature...
– Tonny Madsen
Jun 24 '11 at 15:31
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How can I assign an ID to a view programmatically?
...i++){
TextView tv = new TextView(this.getApplicationContext());
// One new TextView will also be assigned an id==12:
tv.setId(i);
placeholder.addView(tv);
}
So placeholder and one of our new TextViews both have an id of 12! But this isn't really a problem if we query placeholder's ...
How to change the Push and Pop animations in a navigation based app
... fact you must write two different routines for inside animateTransition. One for the push, and one for the pop. Probably name them animatePush and animatePop. Inside animateTransition, just branch on popStyle to the two routines
The example below does a simple move-over/move-off
In your animate...
Update Item to Revision vs Revert to Revision
... of data. Nothing is stopping me from changing the files. What if I change one of the files and try to commit it. Im guessing subversion is going to see the conflict and force me to merge the latest version in the repository into my modified working copy before I submit it.
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Maven: Failed to read artifact descriptor
I am hoping someone can help me with a problem I am struggling with.
25 Answers
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