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How can we match a^n b^n with Java regex?
...ktracking as you allow until the given pattern matches. This may impact performance (i.e. catastrophic backtracking) and/or correctness.
Step 5: Self-possession to the rescue!
The "fix" should now be obvious: combine optional repetition with possessive quantifier. That is, instead of simply ?, use ...
Perforce for Git users? [closed]
... you to use Git to change and submit files in a Perforce workspace. More information on that can be found at: https://git.wiki.kernel.org/index.php/GitP4
Still here? Good, let's look at Perforce.
Some Terminology Differences to Sort Out
Before we get into the details we need to briefly cover a co...
Monad in plain English? (For the OOP programmer with no FP background)
...a "bind" operation that takes a monadic value and a function that can transform the value, and returns a new monadic value. Bind is the key operation that defines the semantics of the monad. It lets us transform operations on the unamplified type into operations on the amplified type, that obeys the...
Controlling fps with requestAnimationFrame?
...ould be accepted. Here, forked your fiddle, to demonstrate using window.performance.now() instead of Date.now(). This goes nicely with the high-res timestamp that rAF already recieves, so there's no need to call Date.now() inside the callback: jsfiddle.net/chicagogrooves/nRpVD/2
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
... to "reach up" and grab values from the directive HTML seems like Very Bad Form.
I, too, wound up changing my app to have mostly child scope directives with very few isolates -- only those which don't need to access ANYTHING from the parent other than what they can be passed through simple, non-rep...
What Every Programmer Should Know About Memory?
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Nowadays performance == memory performance, so understanding memory is the most important thing in any high performance application. This makes the paper essential for anyone involved in: game development, scientific computing, finance, ...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
...u need symbol tables and flow analysis to do good program analysis or transformation. ASTs are necessary but not sufficient. This is the reason that Aho&Ullman's compiler book doesn't stop at chapter 2. (The OP has this right in that he is planning to build additional machinery beyond the AS...
Differences between Ant and Maven [closed]
...M files become more substantial, they hold an entirely different kind of information from the build file of a similarly sized project using Ant. Maven POMs contain declarations: "This is a JAR project", and "The source code is in src/main/java". Ant build files contain explicit instructions: "This i...
Which timestamp type should I choose in a PostgreSQL database?
...ivery schedule because a relative timestamp is immune to Congress’ ill-informed tampering. Where the cutoff between using relative vs absolute times for scheduling things is, is a fuzzy line, but my rule of thumb is that scheduling for anything in the future further than 3-6mo should make use of r...
Managing CSS Explosion
...ading to that name being used as the body's ID, colliding with the contact form also named "contact"). I generally recommend using IDs as sparingly as possible for that reason.
– Pekka
Apr 14 '10 at 8:53
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