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Rails: confused about syntax for passing locals to partials
...ike you said. You can also do in-code search and it has built in terminal, etc. Caution - its a pretty big file
– sethvargo
Dec 9 '10 at 20:22
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opengl: glFlush() vs. glFinish()
...appropriate non-OpenGL APIs (e.g. reads from the framebuffer, screenshots, etc...). Whether that is really what happens is driver-dependent. The specification allows a ton of latitude as to what is legal.
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...general) across a vast array of environments, compilers, threading models, etc. When its my choice, I choose boost.
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Insert a commit before the root commit in Git?
...ids touching the working copy or the index or which branch is checked out, etc.
Create a tree object for an empty directory:
tree=`git hash-object -wt tree --stdin < /dev/null`
Wrap a commit around it:
commit=`git commit-tree -m 'root commit' $tree`
Create a reference to it:
git branch new...
Getters \ setters for dummies
... 456, _c : 789,
getA : function(){ return this._a; },
getB : ..., getC : ..., setA : ..., setB : ..., setC : ...
};
For the above examples, the internal property names are abstracted with an underscore in order to discourage users from simply doing foo.bar vs. foo.get( 'bar' ) and getting ...
Why does Clojure have “keywords” in addition to “symbols”?
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It seems keywords are more useful as keys in hashmaps etc as they don't change once evaluated: (eval (eval ':a)) vs (eval (eval ''a)). Are there other advantages? Performance wise, they are identical?
– kristianlm
Aug 3 '12 at 19:56
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What's the difference between libev and libevent?
...nc i/o scheduling, and both engages epoll on linux, and kqueue on FreeBSD, etc.
2 Answers
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Why doesn't Python have a sign function?
...didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc)
So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which sometimes might require the call to cmp(x,0).
I don't know...
How does origin/HEAD get set?
...commit it points to changes if that branch changes, which might happen on fetch/pull/remote update.)
Edit: The problem discussed below was corrected in Git 1.8.4.3; see this update.
There is a tiny caveat, though. HEAD is a symbolic ref, pointing to a branch instead of directly to a commit, bu...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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@jocull: IN PHP, foreach, for, while, etc do not create their own scope.
– animuson♦
Nov 25 '11 at 18:24
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