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How can we match a^n b^n with Java regex?
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The answer is, needless to say, YES! You can most certainly write a Java regex pattern to match anbn. It uses a positive lookahead for assertion, and one nested reference for "counting".
Rather than immediately giving out the pattern, this answer wi...
Combining Multiple Commits Into One Prior To Push
This question pertains not only to how to accomplish this task, but to whether doing so is good or bad practice with Git.
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Open new Terminal Tab from command line (Mac OS X)
Is it possible to open a new tab in Mac OS X's terminal from the command line in a currently opened tab?
13 Answers
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How to run a shell script at startup
... Amazon S3 Linux instance, I have two scripts called start_my_app and stop_my_app which start and stop forever (which in turn runs my Node.js application). I use these scripts to manually start and stop my Node.js application. So far so good.
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Difference between GIT and CVS
...ount), there are a few differences between Git and CVS:
Setting up repository. Git stores repository in .git directory in top directory of your project; CVS require setting up CVSROOT, a central place for storing version control info for different projects (modules). The consequence of that design...
Using ZXing to create an Android barcode scanning app [duplicate]
I've been searching for how to add a barcode scanner to my app. Are there any examples or how can I do this easily?
7 Answe...
Redirect Windows cmd stdout and stderr to a single file
I'm trying to redirect all output (stdout + stderr) of a DOS command to a single file:
7 Answers
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How are software license keys generated?
License keys are the defacto-standard as an anti-piracy measure. To be honest, this strikes me as (in)Security Through Obscurity , although I really have no idea how license keys are generated. What is a good (secure) example of license key generation? What cryptographic primitive (if any) are they...
How do I test a private function or a class that has private methods, fields or inner classes?
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Update:
Some 10 years later perhaps the best way to test a private method, or any inaccessible member, is via @Jailbreak from the Manifold framework.
@Jailbreak Foo foo = new Foo();
// Direct, *type-safe* access to *all* foo's members
foo.privateMethod(x, y, z);
foo.privat...
Why do we use arrays instead of other data structures?
... was programming, I haven't seen an instance where an array is better for storing information than another form thereof. I had indeed figured the added "features" in programming languages had improved upon this and by that replaced them. I see now that they aren't replaced but rather given new life...