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C++ sorting and keeping track of indexes
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Get average color of image via Javascript
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Converting string to byte array in C#
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How do I ALTER a PostgreSQL table and make a column unique?
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it's also possible to create a unique constraint of more than 1 column:
ALTER TABLE the_table
ADD CONSTRAINT constraint_name UNIQUE (column1, column2);
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How do I copy a string to the clipboard on Windows using Python?
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how can I add the aidl file to Android studio (from the in-app billing example)
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Choice between vector::resize() and vector::reserve()
...ou need. The vector will automatically reallocate as needed and will do it more efficiently than the manual way mentioned. The only case where reserve() makes sense is when you have reasonably precise estimate of the total size you'll need easily available in advance.
EDIT2: Ad question edit: If yo...
How do you set a default value for a MySQL Datetime column?
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How to put multiple statements in one line?
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Is it valid to have a tag inside another tag?
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Yes, since a website is generally divided into one or more sections, use it as long as you feel it describes the structure. A layout can have 1 or even tens of SECTION elements, just know that it is NOT a DIV replacement :)
DIVs are still used and recommended (usually for groupi...