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Converting A String To Hexadecimal In Java
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200
Here's a short way to convert it to hex:
public String toHex(String arg) {
return String.f...
How to run a single test from a rails test suite?
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160
NOTE: This doesn't run the test via rake. So any code you have in Rakefile will NOT get executed...
How to get the day of week and the month of the year?
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answered Jan 27 '11 at 22:50
user113716user113716
291k5959 gold badges425425 silver badges431431 bronze badges
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Swift make method parameter mutable?
...passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
x = x-1
}
}
var a = 3
reduceToZero(&a)
print(a) // will print '0'
This can be particularly useful in recursion.
Apple's inout declaration guidelines can be found here.
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scale Image in an UIButton to AspectFit?
...ze.width;
CGFloat targetHeight = targetSize.height;
CGFloat scaleFactor = 0.0;
CGFloat scaledWidth = targetWidth;
CGFloat scaledHeight = targetHeight;
CGPoint thumbnailPoint = CGPointMake(0.0,0.0);
if (!CGSizeEqualToSize(imageSize, targetSize)) {
CGFloat widthFactor = targetWidth / width...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...t;>> df = pd.DataFrame({'A': [a], 'B': [b]})
>>> df
A B
0 2 3
or use scalar values and pass an index:
>>> df = pd.DataFrame({'A': a, 'B': b}, index=[0])
>>> df
A B
0 2 3
share...
Get mouse wheel events in jQuery?
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JasCav
33.2k1919 gold badges101101 silver badges159159 bronze badges
answered Nov 18 '11 at 22:19
Darin DimitrovDarin Dimitrov
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Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Timo Tijhof
9,29666 gold badges3030 silver badges4444 bronze badges
answered Sep 18 '08 at 18:01
John ChristensenJohn Christensen
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How do I calculate the date in JavaScript three months prior to today?
... works for January. Run this snippet:
var d = new Date("January 14, 2012");
console.log(d.toLocaleDateString());
d.setMonth(d.getMonth() - 3);
console.log(d.toLocaleDateString());
There are some caveats...
A month is a curious thing. How do you define 1 month? 30 days? Most peo...
Fixed page header overlaps in-page anchors
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170
I had the same problem.
I solved it by adding a class to the anchor element with the topbar heig...