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How to invert a grep expression
...
100
grep -v
or
grep --invert-match
You can also do the same thing using find:
find . -type f...
Find element's index in pandas Series
...l)
Uses a hashtable internally, so fast
In [7]: s = Series(randint(0,10,10000))
In [9]: %timeit s[s == 5]
1000 loops, best of 3: 203 µs per loop
In [12]: i = Index(s)
In [13]: %timeit i.get_loc(5)
1000 loops, best of 3: 226 µs per loop
As Viktor points out, there is a one-time creation ove...
Preferred Java way to ping an HTTP URL for availability
...on.getResponseCode();
if (responseCode != 200) {
// Not OK.
}
// < 100 is undetermined.
// 1nn is informal (shouldn't happen on a GET/HEAD)
// 2nn is success
// 3nn is redirect
// 4nn is client error
// 5nn is server error
For more detail about response status codes see RFC 2616 section 10...
iOS: how to perform a HTTP POST request?
...lBytesExpectedToWrite exp: Int64) {
print("downloaded \(100*writ/exp)" as AnyObject)
}
func urlSession(_ session: URLSession, downloadTask: URLSessionDownloadTask, didFinishDownloadingTo location: URL){
}
Using Block GET/POST/PUT/DELETE:
let request = NSMutableURLRequest(ur...
Find object in list that has attribute equal to some value (that meets any condition)
... other.value
import random
value = 5
test_list = [Test(random.randint(0,100)) for x in range(1000)]
if value in test_list:
print "i found it"
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Resolve Git merge conflicts in favor of their changes during a pull
...
+100
git pull -s recursive -X theirs <remoterepo or other repo>
Or, simply, for the default repository:
git pull -X theirs
If ...
What is the difference between jQuery: text() and html() ?
...~3x faster than .html().
pure JS' .nodeValue is ~50x faster than .html(), ~100x than .text(), and ~20x than .innerHTML.
PS: .textContent property was introduced with DOM-Level-3, .nodeValue is DOM-Level-2 and is faster (!).
See this complete benchmark:
// Using jQuery:
simplecron.restart(); for (va...
How to completely remove node.js from Windows
...
I also had an %AppData%\npm-cache directory which was ~100 MB.
– Spooky
May 6 '14 at 20:01
...
Unique random string generation
...ntException("allowedChars may not be empty.");
const int byteSize = 0x100;
var allowedCharSet = new HashSet<char>(allowedChars).ToArray();
if (byteSize < allowedCharSet.Length) throw new ArgumentException(String.Format("allowedChars may contain no more than {0} characters.", by...
Visual C++: How to disable specific linker warnings?
...ready.
BUT, the default is to name all of the PDF files the same thing: vc100.pdb in my case.
As you need a .pdb for each and every .lib, this creates a problem, especially if you are using something like ImageMagik, which creates about 20 static .lib files. You cannot have 20 lib files in one dir...