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The type or namespace name does not exist in the namespace 'System.Web.Mvc'
...e normally catches me when I run from IIS and the app pool for the default site is set to .NET version 2.0. When using IIS from visual studio it creates a virtual directory but still runs under the default site's app pool.
If using the build in web server, right click on your web project, go to prop...
What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
...les and puts NULL in the columns where related records do not exist in the opposite table.
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JavaScript unit test tools for TDD
...meone I trust in the JS community.
List of features, as reported by its website:
browser support
simple async support, including promises
test coverage reporting
string diff support
javascript # API for running tests
proper exit status for CI support etc
auto-detects and disables coloring for non-t...
UTF-8, UTF-16, and UTF-32
...r 4 characters wide, which makes string manipulation difficult.
UTF-32 is opposite, it uses the most memory (each character is a fixed 4 bytes wide), but on the other hand, you know that every character has this precise length, so string manipulation becomes far simpler. You can compute the number ...
Stock ticker symbol lookup API [closed]
...
The NASDAQ site hosts separate CSV lists for ticker symbols in each stock exchange (NYSE, AMEX and NASDAQ). You need to complete the captcha and get the CSV dump.
http://www.nasdaq.com/screening/company-list.aspx
...
What is difference between XML Schema and DTD?
...this need
to learn a new syntax, the syntax
itself is quite terse. The opposite is
true for XML Schema, which are
verbose, but also make use of tags and
XML so that authors of XML should find
the syntax of XML Schema less
intimidating.
The goal of DTDs was to retain a level
of c...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
...sting side effect.... rolling back the migration will set the field to the opposite (false -> true). So if you create the migration for several fields to add a null constraint, and some fields ALREADY had a null constraint, then rollback the migration, it will REMOVE the null constraint from any ...
PDO's query vs execute
...ause I was bulk transferring trusted data from an Ubuntu Linux box running PHP7 with the poorly supported Microsoft ODBC driver for MS SQL Server.
I arrived at this question because I had a long running script for an ETL that I was trying to squeeze for speed. It seemed intuitive to me that query c...
What are Maven goals and phases and what is their difference?
...tly.
There are three major built-in Build Life Cycles:
default
clean
site
Each Build Lifecycle is Made Up of Phases
For example the default lifecycle comprises of the following Build Phases:
◾validate - validate the project is correct and all necessary information is available
◾com...
Python exit commands - why so many and when should each be used?
...ould not be used in production code. This is because it only works if the site module is loaded. Instead, this function should only be used in the interpreter.
exit() is an alias for quit (or vice-versa). They exist together simply to make Python more user-friendly.
Furthermore, it too gives a...