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Pandas: Looking up the list of sheets in an excel file
... for c in root.findall('{http://schemas.openxmlformats.org/spreadsheetml/2006/main}sheets/*'):
sheets.append(c.attrib['name'])
return sheets
The two consecutive readlines are ugly, but the content is only in the second line of the text. No need to parse the whole file.
This solution...
How to convert int to QString?
... within some text context, forget about + operator.
Simply do:
// Qt 5 + C++11
auto i = 13;
auto printable = QStringLiteral("My magic number is %1. That's all!").arg(i);
// Qt 5
int i = 13;
QString printable = QStringLiteral("My magic number is %1. That's all!").arg(i);
// Qt 4
int i = 1...
background-size in shorthand background property (CSS3)
...ground:url(http://www.google.com/intl/en_com/images/srpr/logo3w.png) 400px 200px / 600px 400px no-repeat;
}
You could do it like this :
body {
background:url(http://www.google.com/intl/en_com/images/srpr/logo3w.png) 400px 400px no-repeat;
background-size:20px 20px
}
Which works in FF5 ...
How to validate an email address in JavaScript
...n actual use today" may have been valid when the code was written, back in 200x. The code will likely remain in use beyond that specific year. (If I had a dime for every "meh, no one will ever use a 4+-letter TLD except those specific ones" I had to fix, I could corner the world's copper and nickel ...
How to free memory in Java?
...arded objects.
Not recommended.
Edit: I wrote the original response in 2009. It's now 2015.
Garbage collectors have gotten steadily better in the ~20 years Java's been around. At this point, if you're manually calling the garbage collector, you may want to consider other approaches:
If you'...
How do I expand a tuple into variadic template function's arguments?
...
all the tr1 stuff can get taken out now with c++11
– Ryan Haining
Sep 12 '13 at 4:58
|
show 1 more comment
...
How to plot two histograms together in R?
...ndom data
carrotLengths <- rnorm(1000,15,5)
cucumberLengths <- rnorm(200,20,7)
## calculate the histograms - don't plot yet
histCarrot <- hist(carrotLengths,plot = FALSE)
histCucumber <- hist(cucumberLengths,plot = FALSE)
## calculate the range of the graph
xlim <- range(histCucumber$...
Caching a jquery ajax response in javascript/browser
...d: function (headers, completeCallback) {
completeCallback(200, "OK", localCache.get(id));
},
abort: function () {
/* abort code, nothing needed here I guess... */
}
};
}
});
$(function () {
var url = '/echo/jsonp/'...
What's the difference between using INDEX vs KEY in MySQL?
...3
nosnos
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SVG Positioning
...also be grouped by nesting svg elements:
<svg xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<svg x="10">
<rect x="10" y="10" height="100" width="100" style="stroke:#ff0000;fill: #0000ff"/>
</svg>
<svg x="200">
<rect x...