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Favorite Django Tips & Features?
..._DIRS = (
os.path.join(PROJECT_DIR, "templates"),
)
Credits: I got this tip from the screencast 'Django From the Ground Up'.
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edited Aug 25 '10 at 6:38
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How to detect the end of loading of UITableView
I want to change the offset of the table when the load is finished and that offset depends on the number of cells loaded on the table.
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How do I set up NSZombieEnabled in Xcode 4?
...)
select the "Diagnostics" tab and click "Enable Zombie Objects":
This turns released objects into NSZombie instances that print console warnings when used again. This is a debugging aid that increases memory use (no object is really released) but improves error reporting.
A typical case is...
enum.values() - is an order of returned enums deterministic
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The Java language specification uses this explicit language:
@return an array containing the constants of this enum type, in the order they're declared [Source]
So, yes, they will be returned in declaration order. It's worth noting that the order might chang...
Attach to a processes output for viewing
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There are a few options here. One is to redirect the output of the command to a file, and then use 'tail' to view new lines that are added to that file in real time.
Another option is to launch your program inside of 'screen', which is a sort-of text-based T...
SQL Server loop - how do I loop through a set of records
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By using T-SQL and cursors like this :
DECLARE @MyCursor CURSOR;
DECLARE @MyField YourFieldDataType;
BEGIN
SET @MyCursor = CURSOR FOR
select top 1000 YourField from dbo.table
where StatusID = 7
OPEN @MyCursor
FETCH NEXT FROM ...
Valid to use (anchor tag) without href attribute?
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The <a>nchor element is simply an anchor to or from some content. Originally the HTML specification allowed for named anchors (<a name="foo">) and linked anchors (<a href="#foo">).
The named anchor format is less commonly used, as th...
Suppress warning CS1998: This async method lacks 'await'
...face with some async functions.
Methods returning Task, I believe. async is an implementation detail, so it can't be applied to interface methods.
Some of the classes that implements the interface does not have anything to await, and some might just throw.
In these cases, you can take advant...
How do I convert an existing callback API to promises?
I want to work with promises but I have a callback API in a format like:
20 Answers
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Database Structure for Tree Data Structure
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You mention the most commonly implemented, which is Adjacency List:
https://blogs.msdn.microsoft.com/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nested sets:
http://communities...