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Best way to check if a Data Table has a null value in it
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Try comparing the value of the column to the DBNull.Value value to filter and manage null values in whatever way you see fit.
foreach(DataRow row in table.Rows)
{
object value = row["ColumnName"];
if (value == DBNull.Value)
// do something
else
// do something else
}
...
How to keep the local file or the remote file during merge using Git and the command line?
...s well do:
git checkout --theirs /path/to/file
to keep the remote file, and:
git checkout --ours /path/to/file
to keep local file.
Then git add them and everything is done.
Edition:
Keep in mind that this is for a merge scenario. During a rebase --theirs refers to the branch where you've bee...
Url.Action parameters?
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Then add the keys manually, HttpValueCollection do the encoding for you.
And then just append the QueryString manually :
var qs = HttpUtility.ParseQueryString("");
qs.Add("name", "John")
qs.Add("contact", "calgary");
qs.Add("contact", "vancouver")
<a href="<%: Url.Action("GetByList", "Lis...
How do I uninstall a package installed using npm link?
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The package can be uninstalled using the same uninstall or rm command that can be used for removing installed packages. The only thing to keep in mind is that the link needs to be uninstalled globally - the --global flag needs to be provided.
In order to uninstall the globally linked foo p...
Vim Configure Line Number Coloring
... is the way to get help on the 'number' option, instead of the :number command.
To actually change the displayed colour:
:highlight LineNr ctermfg=grey
This would change the foreground colour for LineNr on a character terminal to grey. If you are using gVim, you can:
:highlight LineNr guifg=#05...
PostgreSQL naming conventions
...sitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER_CASE), as long as you are consistent: eit...
How do I remove the border around a focused contenteditable pre?
When I set a pre element to contenteditable and put focus in it for editing, it receives a dotted border around it that doesn't look very nice. The border isn't there when focus is somewhere else.
How do I remove that border?
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How can I make Visual Studio's build be very verbose?
... General
Change the setting for Suppress Startup Banner to No
The cl command line(s) will be shown in the output window.
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How do I keep jQuery UI Accordion collapsed by default?
I am working with jQuery UI Accordion and it works great, but I would like to have the accordion stay closed unless it I click on it.
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What does “Receiver type 'CALayer' for instance message is a forward declaration” mean here?
I'm porting a block of code from an iOS4 project to iOS5 and I'm having some troubles with ARC. The code generates a PDF from a screen capture.
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