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SQL/mysql - Select distinct/UNIQUE but return all columns?
I am trying to accomplish the following sql statement but I want it to return all columns is this possible? Something like:
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How to match “anything up until this sequence of characters” in a regular expression?
Take this regular expression: /^[^abc]/ . This will match any single character at the beginning of a string, except a, b, or c.
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How much size “Null” value takes in SQL Server
I have a large table with say 10 columns. 4 of them remains null most of the times. I have a query that does null value takes any size or no size in bytes. I read few articles some of them are saying :
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Undo part of unstaged changes in git
How do I undo parts of my unstaged changes in git but keep the rest as unstaged? The way I figured out is:
7 Answers
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Is there a stopwatch in Java?
Is there a stopwatch in Java? On google I only find code of stopwatches which don't work - they always return 0 milliseconds.
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What does it mean that Javascript is a prototype based language?
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Prototypal inheritance is a form of object-oriented code reuse. Javascript is one of the only [mainstream] object-oriented languages to use prototypal inheritance. Almost all other object-oriented languages are classical.
In classica...
no acceptable C compiler found in $PATH when installing python
I'm trying to install new python environment on my shared hosting. I follow the steps written in this post :
11 Answers
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Is it better to use C void arguments “void foo(void)” or not “void foo()”? [duplicate]
...t is better: void foo() or void foo(void) ?
With void it looks ugly and inconsistent, but I've been told that it is good. Is this true?
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Finding duplicate values in MySQL
I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates?
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Is the != check thread safe?
I know that compound operations such as i++ are not thread safe as they involve multiple operations.
8 Answers
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