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How do I specify unique constraint for multiple columns in MySQL?
...w surprising/unpleasant it can be. See MySQL bug 25544 bugs.mysql.com/bug.php?id=25544 for a discussion.
– pilcrow
May 7 '10 at 21:41
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Are there disadvantages to using a generic varchar(255) for all text-based fields?
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It's good practice to allocate only a little over what you need. Phone numbers would never go this large.
One reason is that unless you validate against large entries, no doubt someone will use all there is. Then you might run out of space in...
Using MySQL with Entity Framework [closed]
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Check out my post on this subject.
http://pattersonc.com/blog/index.php/2009/04/01/using-mysql-with-entity-framework-and-aspnet-mvc-–-part-i/
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?
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gcc -std=c99 foo.c -o foo
REF: http://cplusplus.syntaxerrors.info/index.php?title='for'_loop_initial_declaration_used_outside_C99_mode
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MySQL with Node.js
I've just started getting into Node.js. I come from a PHP background, so I'm fairly used to using MySQL for all my database needs.
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Regular cast vs. static_cast vs. dynamic_cast [duplicate]
... // 4 bytes
Since this results in a 4-byte pointer pointing to 1 byte of allocated memory, writing to this pointer will either cause a run-time error or will overwrite some adjacent memory.
*p = 5; // run-time error: stack corruption
In contrast to the C-style cast, the static cast will allow t...
Yes or No confirm box using jQuery
...u want to delete this?")){
$("#delete-button").attr("href", "query.php?ACTION=delete&ID='1'");
}
else{
return false;
}
});
</script>
These codes works for me, but I'm not really sure if this is proper. What do you think?
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Dark color scheme for Eclipse [closed]
...ges on specific editors. The downloadable themes support a lot of editors (PHP, Java, SQL, Ant, text, HTML, CSS, and more to follow)
There's a growing list of themes already available on the site:
Zenburn
Oblivion
Inkpot
Vibrant Ink
You can read more about the launch here.
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Unit Testing bash scripts
...f the test harness for Perl but now has implementations in C, C++, Python, PHP, Perl, Java, JavaScript, and others.
bats-core
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Design patterns or best practices for shell scripts [closed]
...do object oriented programming, unless you build a quite complex system of allocation of objects (I thought about that. it's feasible, but insane).
In practice, you can however do "Singleton oriented programming": you have one instance of each object, and only one.
What I do is: i define an object ...