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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...se. When using sp_executesql, parameters are explicitly identified in the calling signature. This excellent article descibes this process.
The oft cited reference for many aspects of dynamic sql is Erland Sommarskog's must read: "The Curse and Blessings of Dynamic SQL".
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Finding the path of the program that will execute from the command line in Windows
Say I have a program X.EXE installed in folder c:\abcd\happy\ on the system. The folder is on the system path. Now suppose there is another program on the system that's also called X.EXE but is installed in folder c:\windows\ .
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How can I rename a database column in a Ruby on Rails migration?
...te of self.up, so "if you need or do something else or do nothing" isn't really recommended. Just do: rename_column :table_name, :new_column, :old_column
– Luke Griffiths
Aug 29 '11 at 15:21
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How to do constructor chaining in C#
... base()
For "why?":
code reduction (always a good thing)
necessary to call a non-default base-constructor, for example:
SomeBaseType(int id) : base(id) {...}
Note that you can also use object initializers in a similar way, though (without needing to write anything):
SomeType x = new SomeTyp...
Can an ASP.NET MVC controller return an Image?
...Letting the user pass a file name (path) like this means they could potentially access files from anywhere on the server. Might want to warn people not to use it as-is.
– Ian Mercer
Jan 28 '11 at 7:53
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C++ Double Address Operator? (&&)
...++11. int&& a means "a" is an r-value reference. && is normally only used to declare a parameter of a function. And it only takes a r-value expression. If you don't know what an r-value is, the simple explanation is that it doesn't have a memory address. E.g. the number 6, and charac...
How do I lock the orientation to portrait mode in a iPhone Web Application?
...elopment-for-the-iphone/
However...
Apple's approach to this issue is to allow the developer to change the CSS based on the orientation change but not to prevent re-orientation completely. I found a similar question elsewhere:
http://ask.metafilter.com/99784/How-can-I-lock-iPhone-orientation-in-M...
CSS3's border-radius property and border-collapse:collapse don't mix. How can I use border-radius to
...t happens if you have to use background-color on the TR? Is it possible at all?
– Mohoch
Oct 9 '11 at 15:21
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How to configure 'git log' to show 'commit date'
... make it the commit date, you can use git log --format=<some stuff>. All the allowable codes for defining the format are documented in git help log. The commit date is one of %cd, %cD, %cr, %ct or %ci, depending on what format you prefer it in.
If it's something you want to do often, put it i...
horizontal scrollbar on top and bottom of table
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really great answer! thanks a lot! :) so I tried to use your example, but the bar on top doesn't work, and when I tried to increase the width, the scrolling bar disappear. any idea why?
– psoares
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