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CROSS JOIN vs INNER JOIN in SQL
...---------------------------------x
2. CROSS JOIN
Cross join selects the all the rows from the first table and all the rows from second table and shows as Cartesian product ie, with all possibilities
Consider we need to find all the teachers in the school and students irrespective of class teacher...
Why are the Level.FINE logging messages not showing?
... Thanks. That did the trick. I realize now why I was initially so confused. I had previously worked with logging levels, but my implementation at that time simply dropped every logged message into a list that was displayed with no regard to the Handler.
– Andr...
How to output something in PowerShell
... aforementioned value, and being the last item on the command pipeline it calls the .toString() method and outputs the result to STDOUT (by default). A thing of beauty.
The other Write-* commands are specific to outputting the text to their associated streams, and have their place as such.
...
How to tell Maven to disregard SSL errors (and trusting all certs)?
... relaxed SSL check for user generated certificates.
-Dmaven.wagon.http.ssl.allowall=true - enable match of the server's X.509 certificate with hostname. If disabled, a browser like check will be used.
-Dmaven.wagon.http.ssl.ignore.validity.dates=true - ignore issues with certificate dates.
Officia...
How can I upgrade specific packages using pip and a requirements file?
...de Django to 1.2.4 - I was always finishing with 1.2.3 version, so I uninstalled Django with:
<virtualenv>/bin/pip uninstall Django
Then I removed <virtualenv>/build/Django directory and finally I installed the proper version with:
<virtualenv>/bin/pip install Django
...
Is there a way to navigate to real implementation of method behind an interface?
In Visual Studio, when you right-click a method call, you go to the implementation of that method inside a class except if you access this method through an interface: in that case you go to the interface method not to the actual implementation.
...
Why does intellisense and code suggestion stop working when Visual Studio is open?
...not (after a period of time, anywhere from 5 minutes to over an hour) and all of a sudden, no more code suggestions or intellisense. Both seem to stop working completely at the same time.
...
xUnit.net: Global setup + teardown?
... protected TestsBase()
{
// Do "global" initialization here; Called before every test method.
}
public void Dispose()
{
// Do "global" teardown here; Called after every test method.
}
}
public class DummyTests : TestsBase
{
// Add test methods
}
However, ...
Using the last-child selector
...
last-child works in all the modern browsers, which means, of course, it does not work in any version of IE.
– Rob
Apr 8 '10 at 21:25
...
Why is it common to put CSRF prevention tokens in cookies?
...ds to flow between different page requests where the CSRF value cannot normally persist in the browser).
Consider the following scenarios and processes in a typical application for some pros and cons of each approach you describe. These are based on the Synchronizer Token Pattern.
Request Body App...