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What is the difference between LL and LR parsing?
...eft-to-right, leftmost derivation. That is, we consider the input symbols from the left to the right and attempt to construct a leftmost derivation. This is done by beginning at the start symbol and repeatedly expanding out the leftmost nonterminal until we arrive at the target string. An LR pars...
How to build an android library with Android Studio and gradle?
I am trying to migrate a project from Eclipse but nothing I have tried is working. In Eclipse I have 3 projects (2 android app projects and 1 android library project). The 2 app projects depend on the library project. When I do the gradle export I get 3 projects that don't work. I am open to restruc...
How do I set up a basic Ruby project?
...elease
Further References
The Rubygems patterns guide (and home page), from Matheus Moreira's answer. They're really great references
How I Start by Steve Klabnik
Exercise 46: A Project Skeleton from Zed Shaw's Learn Ruby The Hard Way
New Gem with Bundler video on Railscasts
docs
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How to test my servlet using JUnit
...sn't on the classpath. I'd write another JUnit test that Only gets a value from the Bundle to isolate the problem.
– aaronvargas
Sep 15 '14 at 18:12
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Difference between a “coroutine” and a “thread”?
...e-CPU, single-core machines, that concurrency was simulated with some help from the OS -- nowadays, since so many machines are multi-CPU and/or multi-core, threads will de facto be executing simultaneously, not just "conceptually").
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Vertical (rotated) text in HTML table
...nc maximus nulla, et pharetra dolor ex non dolor.</div>
Taken from http://css3please.com/
As of 2017, the aforementioned site has simplified the rule set to drop legacy Internet Explorer filter and rely more in the now standard transform property:
.box_rotate {
-webkit-transfor...
Why doesn't C# support the return of references?
...this feature, I would really appreciate that. The more information we have from real customers about why they want it, the more likely it will make it into the product someday. It's a cute little feature and I'd like to be able to get it to customers somehow if there is sufficient interest.
(See a...
How do HTML parses work if they're not using regexp?
I see questions every day asking how to parse or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
...
EJB's - when to use Remote and/or local interfaces?
... can do it by means of configuration only.
A special note about switching from local to remote: note that there are a few semantic differences between the two. For example, calling an EJB method via its "remote interface" results in arguments being passed by-value, while calling through the "local ...
Haskell: Lists, Arrays, Vectors, Sequences
...nce list. The best example of lists screwing up performance tends to come from [Char] which the prelude has aliased as String. Char lists are convient, but tend to run on the order of 20 times slower than C strings, so feel free to use Data.Text or the very fast Data.ByteString. I'm sure there ar...