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Why do you have to call .items() when iterating over a dictionary in Python?
...hen would you ever write a condition like this?
if (key, value) in dict:
Now it's not necessary that the in operator and for ... in operate over the same items. Implementation-wise they are different operations (__contains__ vs. __iter__). But that little inconsistency would be somewhat confusing ...
How can I get this ASP.NET MVC SelectList to work?
... Value = c.CustomerID.ToString()
};
At second glance I'm not sure I know what you are after...
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Mercurial error: abort no username supplied
...onfig, and this help text explicitly tells you how to add a username -- I know since I wrote that help text :-)
How should we improve the error message to make this more clear?
Edit: Since I wrote this in 2010, we've managed to screw this up by making hg help config include help for all config set...
NOT IN vs NOT EXISTS
...he following plan.
When the column changes to NULL-able the NOT IN plan now looks like
It adds an extra inner join operator to the plan. This apparatus is explained here. It is all there to convert the previous single correlated index seek on Sales.SalesOrderDetail.ProductID = <correlated_p...
What is the difference between C++ and Visual C++? [duplicate]
...at were written in Visual C++, so that is perfectly feasible. From what I know of Visual Basic, the main advantage seems to be that the first part of the development cycle may be done faster than when using Visual C++, but as the complexity of a project increases, C++ programs tend to be more mainta...
How to concatenate string variables in Bash
...aces, tabulations and/or newlines
printf -v foo "%s World" "$foo"
Shell now
Under POSIX shell, you could not use bashisms, so there is no builtin printf.
Basically
But you could simply do:
foo="Hello"
foo="$foo World"
echo $foo
Hello World
Formatted, using forked printf
If you want to use ...
Versioning SQL Server database
...
This is one of the "hard problems" surrounding development. As far as I know there are no perfect solutions.
If you only need to store the database structure and not the data you can export the database as SQL queries. (in Enterprise Manager: Right click on database -> Generate SQL script. I ...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
...
Also you must know that sending a SMS and MMS are 2 entirely different things in background. MMS is more of an internet based network service as it requires sending additional items(Media) with text. The given code works fine on a few devi...
How to list the size of each file and directory and sort by descending size in Bash?
...
Awesome! I've been doing something lamer for a few years now. :)
– Colby Blair
Oct 29 '14 at 19:12
6
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The type or namespace name does not exist in the namespace 'System.Web.Mvc'
...ontaneously uninstalled asp.net MVC somehow. I installed it from Nuget and now they both work again. This happened after a recent batch of windows updates that included .net framework updates for the version I was using (4.5.1).
Edit: From the .Net Web Development and Tools Blog:
Microsoft Asp.Net...