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django models selecting single field
I have a table/models called Employees and I would like to get all rows of a single field as a queryset.
5 Answers
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Declaration suffix for decimal type
...mal literal in code, I have seen that there exists the m-suffix (where m stands for money). Is this appropriate for any decimals or is there a more general assignment (d stands for double, that is for sure not the right thing although a direct conversion is supported).
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Troubleshooting “Illegal mix of collations” error in mysql
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Another option is to use the BINARY operator:
BINARY str is the shorthand for CAST(str AS BINARY).
Your solution might look something like this:
SELECT * FROM table WHERE BINARY a = BINARY b;
or,
SELECT * FROM table ORDER BY BINARY a;
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How to execute Python scripts in Windows?
... extension. It's associated with the file type "Python.File", so this command shows what it will be doing:
C:\>ftype Python.File
Python.File="c:\python26\python.exe" "%1" %*
So on my machine, when I type "blah.py foo", it will execute this exact command, with no difference in results...
Pass data to layout that are common to all pages
...ge have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties.
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Check a collection size with JSTL
...r Facelets:
<... xmlns:fn="http://java.sun.com/jsp/jstl/functions">
And use like this in your page:
<p>The length of the companies collection is: ${fn:length(companies)}</p>
So to test with length of a collection:
<c:if test="${fn:length(companies) gt 0}">
</c:if>
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FFmpeg on Android
I have got FFmpeg compiled (libffmpeg.so) on Android. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg.
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setTimeout / clearTimeout problems
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You need to declare timer outside the function. Otherwise, you get a brand new variable on each function invocation.
var timer;
function endAndStartTimer() {
window.clearTimeout(timer);
//var millisecBeforeRedirect = 10000;
timer = window.setTimeout(function(){alert('Hello!');},10000);
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Regular expression for a string containing one word but not another
I'm setting up some goals in Google Analytics and could use a little regex help.
4 Answers
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How do I use a custom Serializer with Jackson?
...er to extend org.codehaus.jackson.map.ser.SerializerBase as it will have standard implementations of non-essential methods (i.e. everything but actual serialization call).
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