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What database does Google use?
... range
it works across hundreds or thousands of machines
it is easy to add more machines to the system and automatically start taking advantage of those resources without any reconfiguration
each table has multiple dimensions (one of which is a field for time, allowing versioning)
tables are optimiz...
#if Not Debug in c#?
...nd DEBUG is a conditional compilation symbol. Here's an MSDN article for a more in-depth explanation.
By default, when in Debug configuration, Visual Studio will check the Define DEBUG constant option under the project's Build properties. This goes for both C# and VB.NET. If you want to get crazy ...
How do I install a module globally using npm?
...re
going to re-use the same library in a
bunch of different projects. (More on
npm link in a future installment.)
I did not test one of those variations, but they seem to be pretty straightforward.
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How to change an Android app's name?
...rings.xml file. It can be found in Res -> Values -> strings.xml
See more here.
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How to download .zip from GitHub for a particular commit sha?
...po then wget will not work unless you pass an OAuth token as well.
Here's more info on that:
Having trouble downloading Git archive tarballs from Private Repo
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trying to animate a constraint in swift
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Create directories using make file
...e case where you use the directories from the command-line though. Furthermore, you can't make any file generating build rules dependant on directories without causing them to always rebuild..
– mtalexan
Dec 30 '13 at 18:30
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How to compare two tags with git?
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Best way to check if a Data Table has a null value in it
...l.Value)
// do something
else
// do something else
}
More information about the DBNull class
If you want to check if a null value exists in the table you can use this method:
public static bool HasNull(this DataTable table)
{
foreach (DataColumn column in table.Columns)...
Count cells that contain any text
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