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Hidden features of HTML
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one slash is relative from the domain part, not from the protocol part
– SztupY
May 24 '10 at 14:29
2
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Use of Finalize/Dispose method in C#
...ial pattern to implement IDisposable is hard to understand. I believe this one is better:
public class BetterDisposableClass : IDisposable {
public void Dispose() {
CleanUpManagedResources();
CleanUpNativeResources();
GC.SuppressFinalize(this);
}
protected virtual void CleanUpMa...
Optimistic vs. Pessimistic locking
...the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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MySQL - UPDATE query based on SELECT Query
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You can actually do this one of two ways:
MySQL update join syntax:
UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here
ANSI SQL syntax:
UPDATE tab...
Hidden Features of MySQL
...threads_created do not grow very quickly.
PRIMARY KEY:
There can be only one AUTO_INCREMENT column per table, it must be indexed, and it cannot have a DEFAULT value
KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY can also be specified as just KEY when given in a column definiti...
What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...eger overflow is well-defined for UNSIGNED integral types, just not signed ones.
– nacitar sevaht
Aug 9 '13 at 20:06
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show 3 more comments
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How to call one shell script from another shell script?
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What are their differences? Why one, why another?
– rocketspacer
Mar 14 '17 at 21:39
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Hide options in a select list using jQuery
... x-browser. If I recall ie has issues. The easiest thing to do is keep a cloned copy of the select before you remove items, this allows you to easily remove and then append the missing items back.
share
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
I'm migrating some stuff from one mysql server to a sql server but i can't figure out how to make this code work:
11 Answer...