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Django: Set foreign key using integer?
...ey fields store their value in an attribute with _id at the end, which you can access directly to avoid visiting the database.
The _id version of a ForeignKey is a particularly useful aspect of Django, one that everyone should know and use from time to time when appropriate.
caveat:
@RuneKaagaard...
Convert from java.util.date to JodaTime
I want to convert a java.util.Date to JodaTime so as to carry out subtractions between dates. Is there a good concise way to convert from Date to JodaTime ?
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What is the syntax for “not equal” in SQLite?
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From the official documentation:
The non-equals operator can be either != or <>
So your code becomes:
Cursor findNormalItems = db.query("items", columns, "type != ?",
new String[] { "onSale" });
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An expression tree may not contain a call or invocation that uses optional arguments
...the C# compiler inserts the default values at compile time (hard-coded), because the CLR does not support calling methods with optional arguments either when the arguments are not provided explicitly.
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How to remove a lua table entry by its key?
...gle block, you be even better off performance-wise by simply making it a local function instead (saves the overhead of a global lookup for each call). I quite often import table.insert and table.remove into the local namespace if I'm using them frequently, often as something like tinsert() and tremo...
IntelliJ IDEA hint parameters of method
I'm just swapping from eclipse to IntelliJ, and I can't find this particular feature.
5 Answers
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jquery, find next element by class
How can i find the next element by class.
3 Answers
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How to enable Heap updates on my android client
Under DDMS , there is a HEAP tab, and then I click my android application under 'Devices'.
But it said:
2 Answers
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Verify a method call using Moq
...ockSomeClass.VerifyAll();
}
}
In other words, you are verifying that calling MyClass#MyMethod, your class will definitely call SomeClass#DoSomething once in that process. Note that you don't need the Times argument; I was just demonstrating its value.
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How to get the host name of the current machine as defined in the Ansible hosts file?
... are a couple of tasks that I only want to run if the current host is my local dev host, named "local" in my hosts file. How can I do this? I can't find it anywhere in the documentation.
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