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Convert data.frame columns from factors to characters
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370
Just following on Matt and Dirk. If you want to recreate your existing data frame without chang...
Unit testing that events are raised in C# (in order)
...2, receivedEvents.Count);
Assert.AreEqual("MyProperty", receivedEvents[0]);
Assert.AreEqual("MyOtherProperty", receivedEvents[1]);
}
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How do I import global modules in Node? I get “Error: Cannot find module ”?
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If you're using npm >=1.0, you can use npm link <global-package> to create a local link to a package already installed globally. (Caveat: The OS must support symlinks.)
However, this doesn't come without its problems.
npm link is a deve...
What is a loop invariant?
...et's look at a simple for loop that looks like this:
int j = 9;
for(int i=0; i<10; i++)
j--;
In this example it is true (for every iteration) that i + j == 9. A weaker invariant that is also true is that
i >= 0 && i <= 10.
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Connect different Windows User in SQL Server Management Studio (2005 or later)
Is there a way in SQL Server Management Studio 2005 (or later) to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
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How should I use Outlook to send code snippets?
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If you are using Outlook 2010, you can define your own style and select your formatting you want, in the Format options there is one option for Language, here you can specify the language and specify whether you want spell checker to ignore the text w...
Query to list number of records in each table in a database
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If you're using SQL Server 2005 and up, you can also use this:
SELECT
t.NAME AS TableName,
i.name as indexName,
p.[Rows],
sum(a.total_pages) as TotalPages,
sum(a.used_pages) as UsedPages,
sum(a.data_pages) as DataPages,
(...
What is the easiest way to remove all packages installed by pip?
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edited Mar 13 '14 at 14:08
answered Jun 28 '12 at 18:32
b...
What unique features does Firebug have that are not built-in to Firefox?
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15.11.2014 - FF 33.0: There have been a lot of improvements to the native inspect tool: Filters are available for network tab; Lots of really cool and useful features: 3D View, Responsive Design mode, Color grabber, Used font + fon...
Android ListView Divider
... or 1dip: if you specify 1dp or 1dip, Android will scale that down. On a 120dpi device, that becomes something like 0.75px translated, which rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the correct height if you want a 1 pixel...