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Why is processing a sorted array faster than processing an unsorted array?
...ately.
Trains are heavy and have a lot of inertia. So they take forever to start up and slow down.
Is there a better way? You guess which direction the train will go!
If you guessed right, it continues on.
If you guessed wrong, the captain will stop, back up, and yell at you to flip the switch. The...
How can I clone an SQL Server database on the same server in SQL Server 2008 Express?
...sql service, copy the mdf and ldf file, rename them for your new database, start the sql service again and just run the last create database command under master: USE master; GO CREATE DATABASE NewDB ON (FILENAME = 'C:\NewDB.mdf'), (FILENAME = 'C:\NewDB.ldf') FOR ATTACH; GO
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
...ofile;" it works fine. it's when the DomDocument gets ahold of it that it starts failing.
– Slightly A.
Nov 21 '11 at 21:08
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nodejs vs node on ubuntu 12.04
... installation to fix it. After this, node -v => 5.5.0 and npm install started to work for packages depending on Node => 5.0.
– CHsurfer
Jan 28 '16 at 5:25
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How can I get file extensions with JavaScript?
... 1);
Both work correctly with names having no extension (e.g. myfile) or starting with . dot (e.g. .htaccess):
"" --> ""
"name" --> ""
"name.txt" --> "txt"
".htpasswd" --> ""
"name.with...
Xcode 4.2 debug doesn't symbolicate stack call
...ch a nice error message explaining the reason of the exception, but it's a start ...
– Nicu Surdu
Apr 27 '12 at 16:33
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Keep only first n characters in a string?
...tring
e.g.
'Hiya how are you'.substring(0,8);
Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'.
substring documentation
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SQL RANK() versus ROW_NUMBER()
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ROW_NUMBER : Returns a unique number for each row starting with 1. For rows that have duplicate values,numbers are arbitarily assigned.
Rank : Assigns a unique number for each row starting with 1,except for rows that have duplicate values,in which case the same ranking is a...
How to find the largest file in a directory and its subdirectories?
We're just starting a UNIX class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well.
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Python's json module, converts int dictionary keys to strings
...es to the same mapping in %foo --- the key is evaluated as a scalar!
JSON started as a Javascript serialization technology. (JSON stands for JavaScript Object Notation.) Naturally it implements semantics for its mapping notation which are consistent with its mapping semantics.
If both ends of you...