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What's the difference of strings within single or double quotes in groovy?
...$a"
Also, the link given by julkiewicz in their answer is worth reading (esp. the part about GStrings not being Strings about 2/3 of the way down.
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Fat models and skinny controllers sounds like creating God models [closed]
... of blogs which advocate the fat models and skinny controllers approach, esp. the Rails camp. As a result the routers is basically just figuring out what method to call on what controller and all the controller method does is call the corresponding method on the model and then bring up the view. S...
How to make a function wait until a callback has been called using node.js
... value:
function(query, callback) {
myApi.exec('SomeCommand', function(response) {
// other stuff here...
// bla bla..
callback(response); // this will "return" your value to the original caller
});
}
So you dont use it like this:
var returnValue = myFunction(query);
But like t...
How to search through all Git and Mercurial commits in the repository for a certain string?
... @GeoffreyZheng: there are ways to do that. See "hg help revsets", esp the desc(), user(), and file() functions. There are also hg log switches for most of this behavior. In my experience, though -k/keyword() is usually the most helpful way to search for things.
– Kev...
How to retrieve POST query parameters?
...identally without me noticing! Now StackOverflow won't let me change it. Esp. frustrating as this was helpful...I upvoted another of your good answers that I wasn't explicitly looking for to make up for it. :)
– HostileFork says dont trust SE
Apr 11 '12 at 2...
How can I view the source code for a function?
...s are asterisked" means the function is not exported from its package's namespace. You can still view its source code via the ::: function (i.e. stats:::t.ts), or by using getAnywhere(). getAnywhere() is useful because you don't have to know which package the function came from.
> getAnywhere(...
Maximum number of threads per process in Linux?
...h it. 2. You have to specify a thread's stack when creating it, this is irrespective of ulimit -s. It is very well possible (not sensible, but possible) to create as many threads as there are possible thread IDs. Under 64 bit Linux, it is even easily "possible" to create more threads than there are ...
Internal typedefs in C++ - good style or bad style?
... or a Foo* (STL has ::pointer typedefs that are T*, remember) or whatever. Esp. if it's a shared pointer, I don't provide a typedef at all, but keep the shared_ptr use explicitly in the code.
Actually, I hardly ever use typedefs outside Template Metaprogramming.
The STL does this type of thing ...
Make a program run slowly
...
+1 esp., for "... buy an old PC or a cheap netbook ..., and don't forget to donate it to a child once you are done testing"
– Kris
Jan 17 '13 at 9:29
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Why is it considered a bad practice to omit curly braces? [closed]
... I find the one-liner style more irritating than helpful because (especially in deep nesting -- ugh) the statement can be easily overread and confusion may ensue. I almost exclusively use such single-statement ifs for input validation (i.e. early returns) or loop control (e.g. ignoring irre...