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MySQL Removing Some Foreign keys
... a table whose primary key is used in several other tables and has several foreign keys to other tables.
11 Answers
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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What is Normalisation (or Normalization)?
...ata corruption.
There is a number of normalization levels from 1. normal form through 5. normal form. Each normal form describes how to get rid of some specific problem, usually related to redundancy.
Some typical normalization errors:
(1) Having more than one value in a cell. Example:
UserId |...
How to implement the Java comparable interface?
... class declaration; and
Implement a int compareTo( Animal a ) method to perform the comparisons.
Like this:
public class Animal implements Comparable<Animal>{
public String name;
public int year_discovered;
public String population;
public Animal(String name, int year_dis...
Asynchronous shell exec in PHP
...w to complete, so I don't want to slow down the PHP request while it waits for a reply. In fact, the PHP request should be able to exit without terminating the shell process.
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How do I create a slug in Django?
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SlugFields set db_index=True by default, and also use a form field by default that has a validation regex to require valid slugs (if represented in a ModelForm or in the admin). You can do those things manually with a CharField if you prefer, it just makes the intention of your c...
jquery.validate.unobtrusive not working with dynamic injected elements
...ould be enabling the jquery.validate.unobtrusive . Everything works fine, for stuff that's right from server.
13 Answers
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Convert string to title case with JavaScript
...ing to title case? E.g. john smith becomes John Smith . I'm not looking for something complicated like John Resig's solution , just (hopefully) some kind of one- or two-liner.
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Multiline string literal in C#
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You can use the @ symbol in front of a string to form a verbatim string literal:
string query = @"SELECT foo, bar
FROM table
WHERE id = 42";
You also do not have to escape special characters when you use this method, except for double quotes as shown in Jon Skeet's answe...
HTML inside Twitter Bootstrap popover
... but somehow it's not working. I found some answers here but it won't work for me. Please let me know if I'm doing something wrong.
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