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How can I iterate over an enum?
... Two = 9,
Three = 4,
Last
};
This illustrates that an enum is not really meant to iterate through. The typical way to deal with an enum is to use it in a switch statement.
switch ( foo )
{
case One:
// ..
break;
case Two: // intentional fall-through
case Three:
...
List all virtualenv
In virtualenvwrapper, is there a simple way to list all virtualenv on my machine?
8 Answers
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View list of all JavaScript variables in Google Chrome Console
In Firebug, the DOM tab shows a list of all your public variables and objects. In Chrome's console you have to type the name of the public variable or object you want to explore.
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javax vs java package
...rlier versions (which would be useful). Note from many years later: it actually ended up being in java after all.
I believe there are restrictions on the java package - I think classloaders are set up to only allow classes within java.* to be loaded from rt.jar or something similar. (There's certai...
Add a UIView above all, even the navigation bar
...
[self.navigationController.view addSubview:overlayView]; is what you really want
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How can you represent inheritance in a database?
...to tackle inheritance is to create a new table for each subtype, repeating all the common attributes in each table. For example:
--// Table: policies_motor
+------+---------------------+----------------+
| id | date_issued | vehicle_reg_no |
+------+---------------------+----------------+
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JavaScript - onClick to get the ID of the clicked button
...h Firefox and IE were throwing it), this is a great solution that works in all three major browsers.
– X3074861X
Aug 8 '13 at 16:30
2
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Postgresql - change the size of a varchar column to lower length
I have a question about the ALTER TABLE command on a really large table (almost 30 millions rows).
One of its columns is a varchar(255) and I would like to resize it to a varchar(40) .
Basically, I would like to change my column by running the following command:
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App.Config Transformation for projects which are not Web Projects in Visual Studio?
... transform a web.config, but
while they feels intuitively right it's actually very verbose.
Here's two transforms, one using XSLT and the same one using the XML
Document Transform syntax/namespace. As with all things there's
multiple ways in XSLT to do this, but you get the general idea. ...
How to design a database for User Defined Fields?
...rformance is the primary concern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a...