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SQL Server add auto increment primary key to existing table
As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (which is currently null).
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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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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 ...
How to fix HTTP 404 on Github Pages?
Here is my GitHub repository on the gh-pages branch.
Everything looks good, I have my index.html , my CSS, JS and pictures folders.
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Turn off auto formatting in Visual Studio
...s. I've turned off auto-formatting options in Tools/options. In most cases it works.
15 Answers
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Schrödingers MySQL table: exists, yet it does not
...sue when the data file is missing in the data directory but the table definition file exists or vise-versa. If you're using innodb_file_per_table, check the data directory to make sure you have both an .frm file and .ibd file for the table in question. If it's MYISAM, there should be a .frm, .MYI an...
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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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...
What does the PHP error message “Notice: Use of undefined constant” mean?
PHP is writing this error in the logs: "Notice: Use of undefined constant".
9 Answers
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How to define optional methods in Swift protocol?
Is it possible in Swift? If not then is there a workaround to do it?
19 Answers
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