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How to pass macro definition from “make” command line arguments (-D) to C source code?
...n CFLAGS or CXXFLAGS, since it is described by the GNU Make manual as:
Extra flags to give to the C preprocessor and programs that use it
(the C and Fortran compilers).
Examples of built-in implicit rules that use CPPFLAGS
n.o is made automatically from n.c with a recipe of the form:
$(C...
Difference between jQuery’s .hide() and setting CSS to display: none
...() will use that stored property as what to go back to. So...it does some extra work, but unless you're doing tons of elements, the speed difference should be negligible.
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Consequences of using graft in Mercurial
...ng does not alter the topology of the graph.
Q3: Has mercurial stored/used extra information about the graft operation to help it with the merge?
A3: No.
Q4: What are the potential problems with a flow like this?
A4: From a merge perspective it should work okay. It will duplicate some history whic...
Where should virtualenvs be created?
...tree and it tree moves you have to reinstall, or put it on ~ but manage on extra subdir outside of project.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 13 at 7:27
...
Using Rails 3.1, where do you put your “page specific” JavaScript code?
...I really like this solution. The only problem I have with it is that those extra manifests are not compressed/uglified. They are properly compiled though. Is there a solution or am I missing something?
– clst
Dec 8 '11 at 16:31
...
Using fonts with Rails asset pipeline
...ore sense than putting them into app/assets/fonts. With
these 2 lines of extra configuration this has worked well for me (on
Rails 4):
app.config.assets.paths << Rails.root.join('vendor', 'assets', 'fonts')
app.config.assets.precompile << /\.(?:svg|eot|woff|ttf)$/
— @jhilden,...
Fastest method of screen capturing on Windows
...e a class that implemented the GDI method for screen capture. I too wanted extra speed so, after discovering the DirectX method (via GetFrontBuffer) I tried that, expecting it to be faster.
I was dismayed to find that GDI performs about 2.5x faster. After 100 trials capturing my dual monitor displa...
Multiple returns from a function
...ge that doesn't support the above methods or allows you to do this without extra typing).
class MyXYZ
{
public $x;
public $y;
public $z;
}
function getXYZ()
{
$out = new MyXYZ();
$out->x = 4;
$out->y = 5;
$out->z = 6;
return $out;
}
$xyz = getXYZ();
$x ...
break out of if and foreach
...
Useful, thank you. Extra karma for mentioning the argument. The if-loop thing seems like a hack, though. Why not just wrap the rest of the statements in another if? I know you were just trying to be helpful, but note to the newbies.
...
Understanding the difference between Object.create() and new SomeFunction()
....create(Car.prototype) — When you create an object like this you have an extra option to choose your object's {prototype} property. If you want Car.prototype as the {prototype} then pass it as a parameter in the function. If you don't want any {prototype} for your object then you can pass null lik...