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INSERT INTO vs SELECT INTO
...different things. Use INSERT when the table exists. Use SELECT INTO when it does not.
Yes. INSERT with no table hints is normally logged. SELECT INTO is minimally logged assuming proper trace flags are set.
In my experience SELECT INTO is most commonly used with intermediate data sets, like #t...
How much is the overhead of smart pointers compared to normal pointers in C++?
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std::unique_ptr has memory overhead only if you provide it with some non-trivial deleter.
std::shared_ptr always has memory overhead for reference counter, though it is very small.
std::unique_ptr has time overhead only during constructor (if it has to copy the provided deleter ...
List goals/targets in GNU make that contain variables in their definition
...(VAR) : $(PREREQS)). Is there any way that gnu make can be convinced to spit out a list of targets after it has expanded these variables?
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MySQL, Check if a column exists in a table with SQL
I am trying to write a query that will check if a specific table in MySQL has a specific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception.
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NoSql vs Relational database
Recently NoSQL has gained immense popularity.
9 Answers
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Where is my .vimrc file?
...ettings. The problem I am having is that I cannot find my .vimrc file, and it is not in the standard /home/user/.vimrc location. How might I find this file?
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When should I use semicolons in SQL Server?
...QL Server Management Studio I have noticed that some statements are ended with a semicolon.
13 Answers
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Should I learn C before learning C++? [closed]
I visited a university CS department open day today and in the labs tour we sat down to play with a couple of final-year projects from undergraduate students. One was particularly good - a sort of FPS asteroids game. I decided to take a peek in the src directory to find it was done in C++ (most of...
How can I get a user's media from Instagram without authenticating as a user?
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This is late, but worthwhile if it helps someone as I did not see it in Instagram's documentation.
To perform GET on https://api.instagram.com/v1/users/<user-id>/media/recent/ (at present time of writing) you actually do not need OAuth access token.
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CSS background opacity with rgba not working in IE 8
I am using this CSS for background opacity of a <div> :
15 Answers
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