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Why would someone use WHERE 1=1 AND in a SQL clause?
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If the list of conditions is not known at compile time and is instead built at run time, you don't have to worry about whether you have one or more than one condition. You can generate them all like:
and <condition>
and concatenate them all together....
How to load all modules in a folder?
...lobals())
del module
Then, from your code do this:
import Foo
You can now access the modules with
Foo.bar
Foo.eggs
Foo.spam
etc. from Foo import * is not a good idea for several reasons, including name clashes and making it hard to analyze the code.
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How to make zsh run as a login shell on Mac OS X (in iTerm)?
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I love SO. I've used this answer just now, and only then realised I wrote it nearly 4 years ago!
– Brian Agnew
Jun 24 '13 at 10:53
add a c...
Recommended SQL database design for tags or tagging [closed]
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This is known as the “Toxi” solution, you can find additional information about it here : howto.philippkeller.com/2005/04/24/Tags-Database-schemas
– The Pixel Developer
Jun 28 '09 at 12:41
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Unmangling the result of std::type_info::name
... C++11 features, here is how it can be done in C++98, the file type.cpp is now:
#include "type.hpp"
#ifdef __GNUG__
#include <cstdlib>
#include <memory>
#include <cxxabi.h>
struct handle {
char* p;
handle(char* ptr) : p(ptr) { }
~handle() { std::free(p); }
};
std::st...
AngularJS - pass function to directive
...tion, because I tried the method above befire, but somehow it didn't work. Now it works perfectly.
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MetadataException: Unable to load the specified metadata resource
...odel to Copy to Output Directory.
The connection string could be wrong. I know you say you haven't changed it, but if you have changed other things (say, the name of an assembly), it could still be wrong.
You might be using a post-compile task to embed the EDMX in the assembly, which is no longer wo...
Rails: How can I set default values in ActiveRecord?
...||= build_address #let's you set a default association
end
end
Now you have just one place to look for initialization of your models. I'm using this method until someone comes up with a better one.
Caveats:
For boolean fields do:
self.bool_field = true if self.bool_field.nil?
See Pa...
Calculate distance between two points in google maps V3
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The link above is now broken, but the explanation of the method makes that not much of an issue.
– GChorn
Apr 4 '14 at 22:40
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json_encode/json_decode - returns stdClass instead of Array in PHP
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And does the same job after 4 years here! Basic knowledge that everyone should actually study first, like me!
– KJS
May 24 '19 at 0:44
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