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SQL - Update multiple records in one query
...e syntax
UPDATE config t1 JOIN config t2
ON t1.config_name = 'name1' AND t2.config_name = 'name2'
SET t1.config_value = 'value',
t2.config_value = 'value2';
Here is SQLFiddle demo
or conditional update
UPDATE config
SET config_value = CASE config_name
WH...
When should I use require() and when to use define()?
...laying around with requirejs for the last few days. I am trying to understand the differences between define and require.
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Why is it important to override GetHashCode when Equals method is overridden?
...s equal, it is not necessary for them to be the same; this is a collision, and Equals will be called to see if it is a real equality or not.
In this case, it looks like "return FooId;" is a suitable GetHashCode() implementation. If you are testing multiple properties, it is common to combine them ...
When should I use RequestFactory vs GWT-RPC?
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The big difference between GWT RPC and RequestFactory is that the RPC system is "RPC-by-concrete-type" while RequestFactory is "RPC-by-interface".
RPC is more convenient to get started with, because you write fewer lines of code and use the same class on both...
How to pass a URI to an intent?
...re the uri as string
intent.putExtra("imageUri", imageUri.toString());
and then just convert the string back to uri like this
Uri myUri = Uri.parse(extras.getString("imageUri"));
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curl : (1) Protocol https not supported or disabled in libcurl
...g to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received:
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Image resizing client-side with JavaScript before upload to the server
...an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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IndentationError: unindent does not match any outer indentation level
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Yeah, that can be tricky. I use emacs to edit python, and I have it setup to always replace tabs with spaces in py files so I don't have this problem. Notepad++ might have an option like this as well.
– Kevin Tighe
Jan 29 '09 at 16:49
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doGet and doPost in Servlets
...information to a Servlet. In the Servlet, I am using the methods doGet() and doPost() :
5 Answers
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CSS technique for a horizontal line with words in the middle
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This is my favourite solution. It works on OSX too and some of the others dont. If you use this solution remember to set the background of the span to the same color as the background of your page, it will be especially obvious what i mean if your background isn't white. ;)
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