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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
.../TRUE/true were all defined as 1 and NO/FALSE/false were all defined as 0 . Is there really any difference?
9 Answers
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两种js滑动门(tab切换)效果 - 源码下载 - 清泛网 - 专注C/C++及内核技术
... tab切换 效果源码如下：<!DOCTYPE html PUBLIC "- W3C DTD XHTML 1.0 Transitional EN" "http: www.w3.org TR xhtml1 DTD xhtml1-transition...
源码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html...
Scala downwards or decreasing for loop?
...
230
scala> 10 to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, ...
Is it correct to use JavaScript Array.sort() method for shuffling?
...
110
It's never been my favourite way of shuffling, partly because it is implementation-specific as y...
How to compute the sum and average of elements in an array?
...
var sum = 0;
for( var i = 0; i < elmt.length; i++ ){
sum += parseInt( elmt[i], 10 ); //don't forget to add the base
}
var avg = sum/elmt.length;
document.write( "The sum of all the elements is: " + sum + " The average is: " + ...
Getting Java version at runtime
...nical Articles
J2SE SDK/JRE Version String Naming Convention
Version 1.5.0 or 5.0?
"J2SE also keeps the version number 1.5.0 (or 1.5) in some places that are visible only to developers, or where the version number is parsed by programs"
"java.version system property"
Version 1.6.0 Used by De...
Which is faster: while(1) or while(2)?
...arying levels of optimization:
int main(void) {
while(1) {}
return 0;
}
int main(void) {
while(2) {}
return 0;
}
Even with no optimizations (-O0), the generated assembly was identical for both programs. Therefore, there is no speed difference between the two loops.
For reference, ...
How does numpy.histogram() work?
...qual width) of each bar.
In this example:
np.histogram([1, 2, 1], bins=[0, 1, 2, 3])
There are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively. The way Numpy defines these bins if by giving a list of delimiters ([0, 1, 2, 3]) in this example...
How to darken a background using CSS?
...t black, faked with gradient */
linear-gradient(
rgba(0, 0, 0, 0.7),
rgba(0, 0, 0, 0.7)
),
/* bottom, image */
url(http://fc02.deviantart.net/fs71/i/2011/274/6/f/ocean__sky__stars__and_you_by_muddymelly-d4bg1ub.png);
}
Reference...
Remap values in pandas column with a dict
...
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