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Why is there a difference in checking null against a value in VB.NET and C#?
...agation used by that language.
Update
Eric Lippert's blog articles (mentioned in his comments below) on semantics are now at:
Sep. 30, 2003 - A Whole Lot of Nothing
Oct. 1, 2003 - A Little More on Nothing
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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
...ry.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
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Delete all Duplicate Rows except for One in MySQL? [duplicate]
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Excellent solution. It worked perfectly. But I have one suggestion here we should swap the conditions. Instead of [WHERE n1.id > n2.id AND n1.name = n2.name] we should write [WHERE n1.name = n2.name AND n1.id > n2.id] it will improve performance if we have so much data.
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Escape double quotes in parameter
...res spaces as value separators when passing parameters to programs:program one two "three and more" will pass three parameters to program.exe: one, two, and three and more.
Now to explain some of the confusion:
Double-quoted groups that appear directly adjacent to text not wrapped with doub...
Detect if an element is visible with jQuery [duplicate]
... , I have been hiding/showing an element on my page, but with two buttons, one for hide and one for show. I now want to have one button to toggle both .
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Using an RDBMS as event sourcing storage
... would result in having to migrate your database (just as in good old-fashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all.
Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (i.e. JSON or XML). This corresp...
Detect if a NumPy array contains at least one non-numeric value?
... need to write a function which will detect if the input contains at least one value which is non-numeric. If a non-numeric value is found I will raise an error (because the calculation should only return a numeric value). The number of dimensions of the input array is not known in advance - the fun...
What is the equivalent of MATLAB's repmat in NumPy
...better (official) NumPy for Matlab Users link - I'm afraid the mathesaurus one is quite out of date.
The numpy equivalent of repmat(a, m, n) is tile(a, (m, n)).
This works with multiple dimensions and gives a similar result to matlab. (Numpy gives a 3d output array as you would expect - matlab fo...
How to create a remote Git repository from a local one?
... working directory. This is generally straightforward to do. In order to clone your repository to create a new bare repository, you run the clone command with the --bare option. By convention, bare repository directories end in .git, like so:
$ git clone --bare my_project my_project.git
Initialized...
What is the difference between encrypting and signing in asymmetric encryption?
...ead the messages and I do not care who reads them
This is signing, it is done with your private key.
I want to be able to encrypt certain information and use it as a product key for my software.
I only care that I am the only one who can generate these.
If you only need to know it to yourself, yo...