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What is the colon operator in Ruby?
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250
:foo is a symbol named "foo". Symbols have the distinct feature that any two symbols named the s...
CSS: bolding some text without changing its container's size
...h a little compromise, I used text-shadow instead.
li:hover {text-shadow:0px 0px 1px black;}
Here's a working example:
body {
font-family: segoe ui;
}
ul li {
display: inline-block;
border-left: 1px solid silver;
padding: 5px
}
.textshadow :hover {
text-shadow: 0px 0p...
What is 'Pattern Matching' in functional languages?
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edited May 23 '17 at 12:10
Community♦
111 silver badge
answered Mar 23 '10 at 18:58
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Set a persistent environment variable from cmd.exe
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answered May 5 '11 at 13:09
Vik DavidVik David
3,00633 gold badges1919 silver badges2626 bronze badges
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How to initialize all members of an array to the same value in Swift?
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170
Actually, it's quite simple with Swift. As mentioned in the Apple's doc, you can initialize an a...
Remove data.frame row names when using xtable
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% latex table generated in R 2.12.2 by xtable 1.5-6 package
% Fri Mar 25 10:06:08 2011
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrrrr}
\hline
am & cyl & mpg & hp & wt \\
\hline
0.00 & 4.00 & 22.90 & 84.67 & 2.94 \\
0.00 & 6.00 & 19.12 & 11...
How do you sort an array on multiple columns?
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170
If owner names differ, sort by them. Otherwise, use publication name for tiebreaker.
function m...
How do you use String.substringWithRange? (or, how do Ranges work in Swift?)
...NSString = str as NSString
myNSString.substringWithRange(NSRange(location: 0, length: 3))
Note: as JanX2 mentioned, this second method is not safe with unicode strings.
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Positioning MKMapView to show multiple annotations at once
I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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Force the origin to start at 0
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205
xlim and ylim don't cut it here. You need to use expand_limits, scale_x_continuous, and scale_y...