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What is Clojure useful for? [closed]
...deployment. Optimizing applications is a JVM general question, nothing specific to Clojure. You can write hash bang shell scripts with Clojure as easily as any other scripting language and that's what I would recommend.
– dnolen
Sep 9 '15 at 13:15
...
Get protocol + host name from URL
... it gives parts like 'user:pass@' and ':8080'
– starrify
Oct 21 '14 at 8:02
23
The urlparse modul...
Convert int to ASCII and back in Python
...
If multiple characters are bound inside a single integer/long, as was my issue:
s = '0123456789'
nchars = len(s)
# string to int or long. Type depends on nchars
x = sum(ord(s[byte])<<8*(nchars-byte-1) for byte in range...
Invalid date format specification in gemspec
...rch "spec" files in your Ruby directory:
*C:\Ruby187\lib\ruby\gems\1.8\specifications*
If a gemspec file contains something like this:
s.date = %q{2011-10-13 00:00:00.000000000Z}
Then delete the 00:00:00.000000000Z part:
s.date = %q{2011-10-13}
After saving those gemspec files, the problem is ...
Measuring code execution time
...
A better way would be to use Stopwatch, instead of DateTime differences.
Stopwatch Class - Microsoft Docs
Provides a set of methods and properties that you can use to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance...
How to select a radio button by default? [duplicate]
...portantly, strings like "true" or "false" don't have any special meaning.
If you don't aim for XHTML conformance, you can simplify the code to:
<input type="radio" name="imgsel" value="" checked>
share
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How to format numbers by prepending 0 to single-digit numbers?
... + dec.toString().substr(1);
console.log(formattedNumber);
Lastly, if you're having to deal with the possibility of negative numbers, it's best to store the sign, apply the formatting to the absolute value of the number, and reapply the sign after the fact. Note that this method doesn't res...
Why I cannot cout a string?
...
Above answers are good but If you do not want to add string include, you can use the following
ostream& operator<<(ostream& os, string& msg)
{
os<<msg.c_str();
return os;
}
...
What is the PostgreSQL equivalent for ISNULL()
...g that it is coalesce that is in SQL standard, with isnull being an MS-specific function that essentially is coalesce with only two parameters.
– GSerg
Feb 6 '10 at 20:35
4
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How to correctly close a feature branch in Mercurial?
...a repository you will end up with the latest commit in the default branch. If you use bookmarks, this changeset corresponds to a random (unstable) bookmark. If you use named branches, you will get the latest commit in the stable/default branch, which is usually what you want. Bookmarks will get ther...