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How can I use pointers in Java?
...have pointers, but I heard that Java programs can be created with pointers m>and m> that this can be done bm>y m> the few who are experts in java. Is it true?
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Export to CSV via PHP
.... is there a wam>y m> I can export what I have from the database to a CSV file (m>and m> text file [if possible]) via PHP?
7 Answers
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What's the difference between => , ()=>, m>and m> Unit=>
I'm trm>y m>ing to represent a function that takes no arguments m>and m> returns no value (I'm simulating the setTimeout function in JavaScript, if m>y m>ou must know.)
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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
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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 ...
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...
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;...