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Django optional url parameters
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@Yuji -- can't you solve the reversing issue by naming each url pattern?
– Ted
Jan 16 '13 at 4:44
9
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Check if key exists and iterate the JSON array using Python
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Hibernate JPA Sequence (non-Id)
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This still requires the value to be generated by the database, which doesn't really answer the question. For Oracle databases prior to 12c, you would still need to write a database trigger to generate the value.
– Bernie
Jun 12 '14 ...
Delete all data in SQL Server database
...ECT TOP 1 [name] FROM sysobjects WHERE [type] = 'P' AND category = 0 ORDER BY [name])
WHILE @name is not null
BEGIN
SELECT @SQL = 'DROP PROCEDURE [dbo].[' + RTRIM(@name) +']'
EXEC (@SQL)
PRINT 'Dropped Procedure: ' + @name
SELECT @name = (SELECT TOP 1 [name] FROM sysobjects WHERE [t...
What's faster, SELECT DISTINCT or GROUP BY in MySQL?
...e the same, a query optimizer would have to catch the fact that your GROUP BY is not taking advantage of any group members, just their keys. DISTINCT makes this explicit, so you can get away with a slightly dumber optimizer.
When in doubt, test!
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Rank function in MySQL
...:= @curRank + 1 AS rank
FROM person p, (SELECT @curRank := 0) r
ORDER BY age;
The (SELECT @curRank := 0) part allows the variable initialization without requiring a separate SET command.
Test case:
CREATE TABLE person (id int, first_name varchar(20), age int, gender char(1));
INSERT INTO ...
In Flux architecture, how do you manage Store lifecycle?
...ActionHandler
Makes creation of Indexed List Stores as simple as possible by providing boilerplate methods and action handling:
var PROXIED_PAGINATED_LIST_METHODS = [
'getIds', 'getPageCount', 'getNextPageUrl',
'isExpectingPage', 'isLastPage'
];
function createListStoreSpec({ getList, callLis...
Replacing a fragment with another fragment inside activity group
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@Ahmed The reason is that, by architecture, the system replaces every <fragment> tag with the view (group) provided by the corresponding fragments' onCreateView(). Thus, as you can assume, any reference to the fragment is actually lost at the vie...
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
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Should also have foreign_key: true and by the way, this is a great solution since it's the easiest to use when you have a migration file created with the rails generator model:references format
– Abram
Feb 14 '17 at 2:29
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How to start new activity on button click
...ntView(R.layout.main_activity);
Button button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(view.getContext(), AnActivity.c...