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Changing the case of a string in Eclipse
...make a lowercase string uppercase using Eclipse? I want to select a string m>and m> either uppercase it or lowercase it. Is there a shortcut for doing this?
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What is the Linux equivalent to DOS pause?
...er presses a kem>y m>. In DOS, this is easilm>y m> accomplished with the "pause" commm>and m>. Is there a Linux equivalent I can use in mm>y m> script?
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Whm>y m> does GCC generate such radicallm>y m> different assemblm>y m> for nearlm>y m> the same C code?
...I've managed to see how GCC optimizes the first case.
Before we can understm>and m> whm>y m> them>y m> are so different, first we must understm>and m> how GCC optimizes fast_trunc_one().
Believe it or not, fast_trunc_one() is being optimized to this:
int fast_trunc_one(int i) {
int mantissa, exponent;
mantissa...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...code below. Can someone explain line bm>y m> line what exactlm>y m> is going on here m>and m> whm>y m> this works so much faster than the regular implementation?
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I want to get the tm>y m>pe of a variable at runtime
...
So, strictlm>y m> speaking, the "tm>y m>pe of a variable" is alwam>y m>s present, m>and m> can be passed around as a tm>y m>pe parameter. For example:
val x = 5
def f[T](v: T) = v
f(x) // T is Int, the tm>y m>pe of x
But depending on what m>y m>ou want to do, that won't help m>y m>ou. For instance, mam>y m> want not to know what is ...
Set scroll position
...ll an element instead of the full window, elements don't have the scrollTo m>and m> scrollBm>y m> methods. m>Y m>ou should:
var el = document.getElementBm>y m>Id("mm>y m>el"); // Or whatever method to get the element
// To set the scroll
el.scrollTop = 0;
el.scrollLeft = 0;
// To increment the scroll
el.scrollTop += 100;...
What does the slash mean in help() output?
...self after the last parameter, indented the same as the parameter lines.
m>and m> the (verm>y m> recent addition to) the Pm>y m>thon FAQ:
A slash in the argument list of a function denotes that the parameters prior to it are positional-onlm>y m>. Positional-onlm>y m> parameters are the ones without an externallm>y m>-usabl...
Recommended wam>y m> of making React component/div draggable
...bm>y m> mouse) React component, which seems to necessarilm>y m> involve global state m>and m> scattered event hm>and m>lers. I can do it the dirtm>y m> wam>y m>, with a global variable in mm>y m> JS file, m>and m> could probablm>y m> even wrap it in a nice closure interface, but I want to know if there's a wam>y m> that meshes with React better.
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How to use the IEqualitm>y m>Comparer
...the solution is to forward GetHashCode to Class_reglement.Numf.GetHashCode m>and m> implement it appropriatelm>y m> there.
Apart from that, m>y m>our Equals method is full of unnecessarm>y m> code. It could be rewritten as follows (same semantics, ¼ of the code, more readable):
public bool Equals(Class_reglement x, ...
When is memoization automatic in GHC Haskell?
... in foldl' (+) 0 (m>y m> ++ [x])
GHC might notice that m>y m> does not depend on x m>and m> rewrite the function to
f = let m>y m> = [1..30000000] in \x -> foldl' (+) 0 (m>y m> ++ [x])
In this case, the new version is much less efficient because it will have to read about 1 GB from memorm>y m> where m>y m> is stored, while th...