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How can I find non-ASCII characters in MySQL?
... Shouldn't you escape the hyphen and period? (Since they do have special meanings in a regular expression.) SELECT * FROM tableName WHERE NOT columnToCheck REGEXP '[A-Za-z0-9\.,\-]';
– Tooony
Mar 12 '09 at 16:03
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Storing sex (gender) in database
...t help because there's no value in an index on a low cardinality column. Meaning, there's not enough variety in the values for the index to provide any value.
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Replace duplicate spaces with a single space in T-SQL
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Here is a simple function I created for cleaning any spaces before or after, and multiple spaces within a string. It gracefully handles up to about 108 spaces in a single stretch and as many blocks as there are in the string. You can increase that by factors of 8 by...
Folder structure for a Node.js project
...unctionality of express, this folder is called /routes)
I got used to organize my projects this way and i think it works out pretty well.
Update for CoffeeScript-based Express applications (using connect-assets):
/app contains your compiled JavaScript
/assets/ contains all client-side assets th...
Search for executable files using find command
...ic command examples
Note:
The following examples are POSIX-compliant, meaning they should work in any POSIX-compatible implementation, including GNU find and BSD find; specifically, this requires:
NOT using nonstandard mode prefixes + or /.
Using the POSIX forms of the logical-operator primarie...
How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'
When I try to execute this statement in Oracle SQL Developer 2.1 a dialog box "Enter Substitution Variable" pops up asking for a replacement value for TOBAGO ,
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What is the Windows equivalent of the diff command?
I know that there is a post similar to this : here .
I tried using the comp command like it mentioned, but if I have two files, one with data like "abcd" and the other with data "abcde", it just says the files are of different sizes. I wanted to know where exactly they differ. In Unix, the simp...
Covariance and contravariance real world example
... void Method(T argument);
}//interface
class Casting {
IInvariant<Animal> invariantAnimal;
ICovariant<Animal> covariantAnimal;
IContravariant<Animal> contravariantAnimal;
IInvariant<Fish> invariantFish;
ICovariant<Fish> covariantFish;
IContrav...
final keyword in method parameters [duplicate]
I often encounter methods which look like the following:
10 Answers
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How to replace strings containing slashes with sed?
I have a Visual Studio project, which is developed locally. Code files have to be deployed to a remote server. The only problem is URLsthey contain which are hard-coded.
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