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Browsers' default CSS for HTML elements
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A GitHub repository of all W3C HTML spec and vendor default CSS stylesheets can be found here
1. Default Styles for Firefox
2. Default Styles for Internet Explorer
3. Default Styles for Chrome / Webkit
4. Default Styles for Opera
5. Default Styles for HTML4 (W3...
Sending files using POST with HttpURLConnection
Since the Android developers recommend to use the HttpURLConnection class, I was wondering if anyone can provide me with a good example on how to send a bitmap "file" (actually an in-memory stream) via POST to an Apache HTTP server. I'm not interested in cookies or authentication or anything com...
Add new row to dataframe, at specific row-index, not appended?
...1 2 3 4
41 4 9 14 19
5 5 10 15 20
(Note we index r differently).
And finally, benchmarks:
library(microbenchmark)
microbenchmark(
rbind(existingDF[1:r,],newrow,existingDF[-(1:r),]),
insertRow(existingDF,newrow,r)
)
Unit: microseconds
...
Unzipping files in Python
I read through the zipfile documentation , but couldn't understand how to unzip a file, only how to zip a file. How do I unzip all the contents of a zip file into the same directory?
...
Permutations in JavaScript?
...s into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < input.length; i++) {
ch = input.splice(i, 1)[0];
usedChars.push(ch);
if (input.leng...
Getting the HTTP Referrer in ASP.NET
I'm looking for a quick, easy and reliable way of getting the browser's HTTP Referrer in ASP.Net ( C# ). I know the HTTP Referrer itself is unreliable, but I do want a reliable way of getting the referrer if it is present.
...
Writing a Python list of lists to a csv file
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Python's built-in CSV module can handle this easily:
import csv
with open("output.csv", "wb") as f:
writer = csv.writer(f)
writer.writerows(a)
This assumes your list is defined as a, as it is in your question. You can tweak the exact format of the...
sqlalchemy: how to join several tables by one query?
...ed Apr 8 at 9:57
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
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How to exclude a module from a Maven reactor build?
... Don't forget to escape the exclamation mark on the shell command line. It has a very special meaning, see e.g. unix.stackexchange.com/questions/3747/…
– Pavel
Apr 28 '15 at 9:30
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
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