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How do I (or can I) SELECT DISTINCT on multiple columns?
I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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Explanation of BASE terminology
...e BASE acronym was defined by Eric Brewer, who is also known for formulating the CAP theorem.
The CAP theorem states that a distributed computer system cannot guarantee all of the following three properties at the same time:
Consistency
Availability
Partition tolerance
A BASE system gives up on...
Convert integer into byte array (Java)
what's a fast way to convert an Integer into a Byte Array ?
11 Answers
11
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What's the difference between django OneToOneField and ForeignKey?
What's the difference between Django OneToOneField and ForeignKey ?
9 Answers
9
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How do I encode/decode HTML entities in Ruby?
I am trying to decode some HTML entities, such as '&amp;lt;' becoming '<' .
7 Answers
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Multiple “order by” in LINQ
I have two tables, movies and categories , and I get an ordered list by categoryID first and then by Name .
7 Answers...
What is the difference between lemmatization vs stemming?
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Short and dense: http://nlp.stanford.edu/IR-book/html/htmledition/stemming-and-lemmatization-1.html
The goal of both stemming and lemmatization is to reduce inflectional forms and sometimes derivationally related forms of a word to a common base form.
However, the two words differ in their flavor...
How to make blinking/flashing text with CSS 3
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You are first setting opacity: 1; and then you are ending it on 0, so it starts from 0% and ends on 100%, so instead just set opacity to 0 at 50% and the rest will take care of itself.
Demo
.blink_me {
animation: blinker 1s linear infin...
A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic
... directly specifying the elements
String joined1 = String.join(",", "a", "b", "c");
2) using arrays
String[] array = new String[] { "a", "b", "c" };
String joined2 = String.join(",", array);
3) using iterables
List<String> list = Arrays.asList(array);
String joined3 = String.join(",", l...
Child inside parent with min-height: 100% not inheriting height
I found a way to make a div container to occupy at least full height of a page, by setting min-height: 100%; . However, when I add a nested div and set height: 100%; , it doesn't stretch to container's height. Is there a way to fix it?
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