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What is the advantage of GCC's __builtin_expect in if else statements?
...e the assembly code that would be generated from:
if (__builtin_expect(x, 0)) {
foo();
...
} else {
bar();
...
}
I guess it should be something like:
cmp $x, 0
jne _foo
_bar:
call bar
...
jmp after_if
_foo:
call foo
...
after_if:
You can see that the instr...
HTML5 Number Input - Always show 2 decimal places
...
step='0.01' does not work for me on Chrome 66.0 parseFloat works like a charm. robot_speed = parseFloat(robot_speed).toFixed(2)
– 05032 Mendicant Bias
Aug 14 '19 at 14:52
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How to use arguments from previous command?
...
By the way, you could have put the echo on the line by selecting argument 0:
Press Alt-0 Alt-Ctrl-y
Edit:
To answer the question you added to your original:
You can press Alt-0 then repeatedly press Alt-. to step through the previous commands (arg 0). Similarly Alt-- then repeating Alt-. would ...
Detect a finger swipe through JavaScript on the iPhone and Android
...
function handleTouchStart(evt) {
const firstTouch = getTouches(evt)[0];
xDown = firstTouch.clientX;
yDown = firstTouch.clientY;
}; ...
CSS/HTML: Create a glowing border around an Input Field
...der:focus {
outline: none;
border-color: #9ecaed;
box-shadow: 0 0 10px #9ecaed;
}
Live demo: http://jsfiddle.net/simevidas/CXUpm/1/show/
(to view the code for the demo, remove "show/" from the URL)
label {
display:block;
margin:20px;
width:420px;
overflow:au...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
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|
edited Jul 27 '16 at 21:30
answered Jun 24 '10 at 21:17
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Creating a daemon in Linux
...
220
In Linux i want to add a daemon that cannot be stopped and which monitors filesystem changes....
Couldn't connect to server 127.0.0.1:27017
...ottTrott
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28
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Inserting string at position x of another string
... "I want apple";
var b = " an";
var position = 6;
var output = [a.slice(0, position), b, a.slice(position)].join('');
console.log(output);
Optional: As a prototype method of String
The following can be used to splice text within another string at a desired index, with an optional remov...
Export database schema into SQL file
Is it possible in MS SQL Server 2008 to export database structure into a T-SQL file?
4 Answers
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