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SQL Group By with an Order By
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200
In all versions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias...
Get number of digits with JavaScript
...hematically. For positive integers there is a wonderful algorithm with log10:
var length = Math.log(number) * Math.LOG10E + 1 | 0; // for positive integers
For all types of integers (including negatives) there is a brilliant optimised solution from @Mwr247, but be careful with using Math.log10, ...
Async call with await in HttpClient never returns
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– Avrohom Yisroel
Nov 2 '14 at 16:30
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Is it gonna happen if it's on neither UI context and ASP....
What is the difference between Spring's GA, RC and M2 releases?
Spring's 3.0 version is now GA release, before that they have launched 3.0 RC1 , RC2 version Also, there was Spring 3.0 M2 version. What's the difference between GA, RC, M versions?
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Update a column value, replacing part of a string
...ot.
– Kyle Challis
Jan 29 '16 at 19:03
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How to create a zip file in Java
....putNextEntry(e);
byte[] data = sb.toString().getBytes();
out.write(data, 0, data.length);
out.closeEntry();
out.close();
This will create a zip in the root of D: named test.zip which will contain one single file called mytext.txt. Of course you can add more zip entries and also specify a subdir...
How do you track record relations in NoSQL?
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+50
All the answers for how to store many-to-many associations in the "NoSQL way" reduce to the same thing: storing data redundantly.
In ...
How to properly URL encode a string in PHP?
...e encodes according to the plain Percent-Encoding (space is encoded with %20).
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C#: Abstract classes need to implement interfaces?
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edited May 10 '18 at 10:40
Ian Kemp
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Oracle Differences between NVL and Coalesce
...a part of ANSI-92 standard.
NVL is Oracle specific, it was introduced in 80's before there were any standards.
In case of two values, they are synonyms.
However, they are implemented differently.
NVL always evaluates both arguments, while COALESCE usually stops evaluation whenever it finds the f...