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MySQL “NOT IN” query
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Thanks for the comment @Basti! Spent a lot of time trying to understand why the query wasn't working as expected.
– gv...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...inJon Lin
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Clang vs GCC - which produces faster binaries? [closed]
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245
Here are some up-to-date albeit narrow findings of mine with GCC 4.7.2
and Clang 3.2 for C++.
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Why is i++ not atomic?
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edited Jan 27 '15 at 3:46
answered Aug 6 '14 at 22:09
Ka...
Does Haskell require a garbage collector?
...nt, and reported that their test programs ran "between 10 times faster and 4 times slower" than pure garbage-collected versions.
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What does %s mean in a python format string?
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Vadim Shkaberda
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answered Jun 15 '09 at 19:06
Andrew HareAndrew Hare
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MySQL - Make an existing Field Unique
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ALTER IGNORE TABLE mytbl ADD UNIQUE (columnName);
For MySQL 5.7.4 or later:
ALTER TABLE mytbl ADD UNIQUE (columnName);
As of MySQL 5.7.4, the IGNORE clause for ALTER TABLE is removed and
its use produces an error.
So, make sure to remove duplicate entries first as IGNORE keyword...
Constant pointer vs Pointer to constant [duplicate]
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274
const int* ptr;
declares ptr a pointer to const int type. You can modify ptr itself but the ob...
How do I set the selected item in a comboBox to match my string using C#?
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Norbert B.Norbert B.
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