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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
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Nm>ex m>t
109
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Append values to query string
...ke parsing, url encoding, ...:
string longurl = "http://somesite.com/news.m>php m>?article=1&lang=en";
var uriBuilder = new UriBuilder(longurl);
var query = HttpUtility.ParseQueryString(uriBuilder.Query);
query["action"] = "login1";
query["attempts"] = "11";
uriBuilder.Query = query.ToString();
long...
How to calculate md5 hash of a file using javascript
...w browsers?
With a browser that supports the FileAPI, you *can * read the contents of a file - the user has to have selected it, either with an <input> element or drag-and-drop. As of Jan 2013, here's how the major browsers stack up:
FF 3.6 supports FileReader, FF4 supports even more file b...
How can I check if a string represents an int, without using try/m>ex m>cept?
...e your input_num can be less than 0, use re.sub(regm>ex m>_search,regm>ex m>_replace,contents) before applying str.isdigit(). For m>ex m>ample:
import re
input_num = "-23"
input_num = re.sub("^-", "", input_num) ## "^" indicates to remove the first "-" only
str.isdigit(input_num) ## True
...
When to use Storyboard and when to use XIBs
... even reuse a previously loaded view controller by just updating it's view contents instead of fully reload the whole thing.
At the end you can really do the same things as in code, but I think you have a better separation of concerns with storyboards, but I agree that in many things they lack of fe...
What is the !! (not not) operator in JavaScript?
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the point is for variables that you might not know its contents; if it could
Design Patterns: Abstract Factory vs Factory Method
... more than one method of types it produces. (This is complicated refer to nm>ex m>t diagram for better real-life m>ex m>ample).
m>Ex m>ample From The .NET Framework
DbFactoriesProvider is a Simple Factory as it has no sub-types. The DbFactoryProvider is an abstract factory as it can create various related data...
Can you change what a symlink points to after it is created?
...> .bashrc
$ ln -s .profile test
ln: creating symbolic link `test': File m>ex m>ists
$ ln -s -f .profile test
$ ls -al test
lrwxrwxrwx 1 pascal pascal 8 2009-09-23 17:12 test -> .profile
EDIT: As the OP pointed out in a comment, using the --force option will make ln perform a system call to unlink...
Convert JS Object to form data
...com/upload.m>php m>',
data : form_data,
processData : false,
contentType : false,
type: 'POST'
}).done(function(data){
// do stuff
});
There are more m>ex m>amples in the documentation on MDN
share
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Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
... tests already available:
http://www.theeggeadventure.com/wikimedia/indm>ex m>.m>php m>/Java_Data_Compression
"I ran a test to compress one million consecutive integers using
various forms of compression. The results are as follows:"
None 4000027
Deflate 2006803
Filtered 1391833
BZip2 427067
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