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How to use DISTINCT and ORDER BY in same SELECT statement?
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The problem is that the columns used in the ORDER BY aren't specified in the DISTINCT. To do this, you need to use an aggregate function to sort on, and use a GROUP BY to make the DISTINCT work.
Try something like this:
SELECT DISTINCT...
Is there any haskell function to concatenate list with separator?
Is there a function to concatenate elements of a list with a separator?
For example:
5 Answers
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What Content-Type value should I send for my XML sitemap?
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The difference between text/xml and application/xml is the default character encoding if the charset parameter is omitted:
Text/xml and application/xml behave differently when the charset
parameter is not explicitly specified. If the default charset (i.e.,
US-ASCII) f...
What is the best way to trigger onchange event in react js
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For React 16 and React >=15.6
Setter .value= is not working as we wanted because React library overrides input value setter but we can call the function directly on the input as context.
var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputEleme...
Semantic-ui vs Bootstrap [closed]
Which is the best one to use and if possible, please provide the difference(s) and advantages of these two.
3 Answers
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Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola
It seems to be primarily an issue in IE when there is a number of images/scripts to load, there can be a good amount of time where the literal {{stringExpression}} in the markup are displayed, then disappear once angular is done with it's compilation/interpolation of the document.
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Simulate delayed and dropped packets on Linux
...or UDP and TCP on Linux to measure the performance of an application. Is there a simple way to do this?
9 Answers
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Using querySelectorAll to retrieve direct children
I am able to do this:
10 Answers
10
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Setting table column width
I've got a simple table that is used for an inbox as follows:
13 Answers
13
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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__func__ is an implicitly declared identifier that expands to a character array variable containing the function name when it is used inside of a function. It was added to C in C99. From C99 §6.4.2.2/1:
The identifier __func__ is ...