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Why is my program slow when looping over exactly 8192 elements?
...for(i=1;i<SIZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
f...
Truncate a string straight JavaScript
... = 3;
var myString = "ABCDEFG";
var myTruncatedString = myString.substring(0,length);
// The value of myTruncatedString is "ABC"
So in your case:
var length = 3; // set to the number of characters you want to keep
var pathname = document.referrer;
var trimmedPathname = pathname.substring(0, Math...
When is localStorage cleared?
...
103
W3C draft says this
User agents should expire data from the local storage areas only for s...
Remove Select arrow on IE
...ct, you need to change div:before css to match yours.
In case if it is IE10 then using below css3 it is possible
select::-ms-expand {
display: none;
}
However if you're interested in jQuery plugin, try Chosen.js or you can create your own in js.
...
python list by value not by reference [duplicate]
...
220
As answered in the official Python FAQ:
b = a[:]
...
Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
... |
edited May 9 '14 at 10:53
answered May 9 '14 at 9:54
J...
bower init - difference between amd, es6, globals and node
...er for creating an AngularJS module/package?
– user9903
Apr 30 '14 at 6:30
1
...
How do I make a batch file terminate upon encountering an error?
...
309
Check the errorlevel in an if statement, and then exit /b (exit the batch file only, not the en...
How to multiply duration by integer?
...
+250
int32 and time.Duration are different types. You need to convert the int32 to a time.Duration, such as time.Sleep(time.Duration(rand.I...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
... */
$(function() {
$(".sidebar").stick_in_parent({
offset_top: 10
});
});
* {
font-size: 10px;
color: #333;
box-sizing: border-box;
}
.wrapper,
.header,
.main,
.footer {
padding: 10px;
position: relative;
}
.wrapper {
border: 1px solid #333;
background-col...