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RegEx for Javascript to allow only alphanumeric
...mum of one character:
^\s*([0-9a-zA-Z]+)\s*$
Square brackets indicate a set of characters. ^ is start of input. $ is end of input (or newline, depending on your options). \s is whitespace.
The whitespace before and after is optional.
The parentheses are the grouping operator to allow you to ...
Do you put unit tests in same project or another project?
...th more bits that need to be distributed. Unit tests also have a separate set of dependencies. Now you are shipping NUnit, Rhino or Moq, etc. That is even more bit bloat. Placing unit tests into a separate project requires only a small amount of effort, and that is a one time cost. I am very co...
Test for equality among all elements of a single vector
...t about John's solution? It's ~10x faster than Hadley's and allows you to set tolerance. Is it deficient in some other way?
– Joshua Ulrich
Jan 21 '11 at 15:36
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Display two files side by side
...e, so we're just passing that value on to pr to use for its output's width setting.
This also answers @Matt's question:
Is there a way for pr to auto-detect screen width?
So, no: pr itself can't detect the screenwidth, but we're helping out a bit by passing in the terminal's width via the -w ...
Take a screenshot of a webpage with JavaScript?
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Pounder's if this is possible to do by setting the whole body elements into a canvase then using canvas2image ?
http://www.nihilogic.dk/labs/canvas2image/
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How do I launch the Android emulator from the command line?
...the adb install command in another, I get error: device offline. How do I set an emulated virtual device?
– Thierry Lam
Feb 12 '11 at 20:14
3
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Infinite Recursion with Jackson JSON and Hibernate JPA issue
...notations to solve infinite recursion problem without ignoring the getters/setters during serialization. See my answer below for details.
– Kurt Bourbaki
Feb 5 '14 at 12:00
1
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How can I create a table with borders in Android?
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How would I set the background of the view programmatically? view.setBackground(?)
– rasen58
Dec 27 '12 at 21:29
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Show hide fragment in android
...ragmentManager fm = getFragmentManager();
fm.beginTransaction()
.setCustomAnimations(android.R.animator.fade_in, android.R.animator.fade_out)
.show(somefrag)
.commit();
OR if you are using android.support.v4.app.Fragment
FragmentManager fm = getSupportFragmentMana...
Remove a fixed prefix/suffix from a string in Bash
...s certainly not what we wanted.
Notice, too, my use of single quotes when setting the variables prefix and suffix. We certainly don't want anything in the strings to be interpreted, so we single quote them so no interpolation takes place. Again, it may not be necessary in this example but it's a ve...