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Nullable Foreign Key bad practice?
...e columns can be in 1NF through 5NF, but not in 6NF according to what I've read.
Only if you know better than Chris Date "what first normal form really means". If x and y are both nullable, and indeed in some row x and y are both null, then WHERE x=y does not yield true. This proves beyond reaso...
How to change context root of a dynamic web project in Eclipse?
... the genius of this reply: I Googled my way to this page, and didn't even read the tags (I am building an ASP.NET website using Visual Studio). But the solution worked anyway!
– Curt
Jan 25 '14 at 21:01
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
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When I read in various places that hibernate didn't like you to assign to a collection, I assumed that the safest thing to do would obviously be to make it final like this:
class User {
private final Set<Role> roles = new H...
How can I quickly delete a line in VIM starting at the cursor position?
...be appended to the line.
This is part of vitutor and vimtutor, excellent "reads" for vim beginners.
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How do you connect to multiple MySQL databases on a single webpage?
I have information spread out across a few databases and want to put all the information onto one webpage using PHP. I was wondering how I can connect to multiple databases on a single PHP webpage.
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java.lang.IllegalArgumentException: View not attached to window manager
...gest catch type Exception. Well, this is a bad practice by Google. You can read about it here: Don't Catch Generic Exception.
– Yaniv
Jun 6 '13 at 7:23
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AsyncTask Android example
I was reading about AsyncTask , and I tried the simple program below. But it does not seem to work. How can I make it work?
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How do I get and set Environment variables in C#?
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I ran into this while working on a .NET console app to read the PATH environment variable, and found that using System.Environment.GetEnvironmentVariable will expand the environment variables automatically.
I didn't want that to happen...that means folders in the path such as '%...
Implement touch using Python?
...’ umask value to determine the file mode and access flags. If the file already exists, the function succeeds if exist_ok is true (and its modification time is updated to the current time), otherwise FileExistsError is raised.
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Recursive directory listing in DOS
... files, then this command will scroll them by on the screen too quickly to read. I think it is best to pipe the output of this command to a txt file you can read at your own speed. For example (assuming c:\temp directory is created): dir C:\ /s > C:\temp\CDirectoryListing.txt
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