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How do I add a foreign key to an existing SQLite table?
...he ALTER TABLE command (sqlite.org: SQL Features That SQLite Does Not Implement).
Therefore, the only way to add a foreign key in sqlite 3.6.1 is during CREATE TABLE as follows:
CREATE TABLE child (
id INTEGER PRIMARY KEY,
parent_id INTEGER,
description TEXT,
FORE...
Enable 'xp_cmdshell' SQL Server
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Make sure you execute SQL Management Studio as administrator
– Haim Raman
Jun 8 '16 at 6:27
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jQuery append() - return appended elements
I'm using jQuery.append() to add some elements dynamically. Is there any way to get a jQuery collection or array of these newly inserted elements?
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What is the correct way to document a **kwargs parameter?
I'm using sphinx and the autodoc plugin to generate API documentation for my Python modules. Whilst I can see how to nicely document specific parameters, I cannot find an example of how to document a **kwargs parameter.
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How can I get the SQL of a PreparedStatement?
I have a general Java method with the following method signature:
13 Answers
13
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How to detect UI thread on Android?
...is the Android system UI thread in an application?
I would like to put some asserts in my model code that asserts that only one thread ( eg the ui thread) accesses my state, to assure that no kind of synchronization is necessary.
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Function in JavaScript that can be called only once
I need to create a function which can be executed only once, in each time after the first it won't be executed. I know from C++ and Java about static variables that can do the work but I would like to know if there is a more elegant way to do this?
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How to format numbers? [duplicate]
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I wanted to use built in code and this got me there. The locales options is a small issue I'm willing to live with. I think this should be the accepted answer because it takes into account the locale nuances of number rendition.
– Alexander Dixo...
LINQ query to select top five
...essions in parentheses and then de-referencing the whole lot really grates me for some reason.
– Doctor Jones
Jul 29 '14 at 13:00
7
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Disposing WPF User Controls
...ol which is intended to be used by a third party. My control has a private member which is disposable, and I would like to ensure that its dispose method will always get called once the containing window/application is closed. However, UserControl is not disposable. I tried implementing the IDisposa...