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How to get the insert ID in JDBC?
...GeneratedKeys() for this. You need to call it on the same Statement as the one being used for the INSERT. You first need to create the statement using Statement.RETURN_GENERATED_KEYS to notify the JDBC driver to return the keys.
Here's a basic example:
public void create(User user) throws SQLExce...
How to create EditText with rounded corners? [closed]
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There is an easier way than the one written by CommonsWare. Just create a drawable resource that specifies the way the EditText will be drawn:
<?xml version="1.0" encoding="utf-8"?>
<!-- res/drawable/rounded_edittext.xml -->
<shape xmlns:and...
How do you build a Singleton in Dart?
The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
15 Answers
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Do sealed classes really offer performance Benefits?
...ze on the algorithmic level before you optimize on the code-level.
Here's one link mentioning this: Rambling on the sealed keyword
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Insert Update trigger how to determine if insert or update
...t, Update Trigger on table A which will delete all rows from table B whose one column (say Desc) has values like the value inserted/updated in the table A's column (say Col1). How would I go around writing it so that I can handle both Update and Insert cases. How would I determine if the trigger is ...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...efix tree what are the discriminating factors that would lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (assuming the longest key is the longest english word...
Sphinx autodoc is not automatic enough
... Even sphinx-apidoc is pretty rudimentary. For a package with one or two modules, it works okay, but we've got modules nested deeply, and sphinx-apidoc produces some pretty unmanageable output.
– slacy
Apr 27 '12 at 20:35
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How to show loading spinner in jQuery?
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That's probably too global for one simple load into a DIV.
– montrealist
Jul 29 '09 at 17:05
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Difference Between ViewResult() and ActionResult()
...o the exact same thing. The only difference is that with the ActionResult one, your controller isn't promising to return a view - you could change the method body to conditionally return a RedirectResult or something else without changing the method definition.
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Asynchronous Process inside a javascript for loop [duplicate]
...t called when those async operations finish. As such, the loop index is "done" and sitting at its final value for all the callbacks.
To work around this, you have to uniquely save the loop index separately for each callback. In Javascript, the way to do that is to capture it in a function closure...