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Perform debounce in React.js
...;/div>
);
};
You will find this example running here and you should read react-async-hook documentation for more details.
2018: try promise debouncing
We often want to debounce API calls to avoid flooding the backend with useless requests.
In 2018, working with callbacks (Lodash/Undersco...
One line if statement not working
...if is an expression. In fact, everything is an expression in Ruby, so it already can return a value. There is no need for the conditional operator to even exist, let alone use it.
BTW: it is customary to name methods which are used to ask a question with a question mark at the end, like this:
@ite...
How to change the Content of a with Javascript
...Figuring out what browser the user is using is left as an exercise for the reader. Unless you use jQuery, of course ;)
Edit: I take that back. Looks like support for .innerHTML on textarea's has improved. I tested in Chrome, Firefox and Internet Explorer, all of them cleared the textarea correctly....
How to explain Katana and OWIN in simple words and uses?
I have read many articles about the OWIN and Katana projects, but I could not get the whole picture of it.
4 Answers
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Determining complexity for recursive functions (Big O notation)
... dramatically help you understand how to calculate any method.
I recommend reading it from top to bottom to fully understand how to do it:
T(n) = T(n-1) + 1 It means that the time it takes for the method to finish is equal to the same method but with n-1 which is T(n-1) and we now add + 1 because ...
Datetime equal or greater than today in MySQL
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SELECT * FROM myTable WHERE DATE(myDate) = DATE(NOW())
Read more:
http://www.tomjepson.co.uk/tutorials/36/mysql-select-where-date-today.html
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Get last field using awk substr
...ome/parent/child 1/child2/filename2
/home/parent/child1/filename3
$ while read b ; do basename "$b" ; done < a
filename1
filename2
filename3
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When should I mock?
...now which of them are not needed. Again, it hinders refactoring.
Also, the readability of test suffered terribly, there's lots of code there that we didn't write because of we wanted to, but because we had to; it's not us who want that code there. Tests that use mock objects look very complex and ar...
Receiving “fatal: Not a git repository” when attempting to remote add a Git repo
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I had already done this step, but had to do it again after setting up my engine yard account installing engine yard.
– AVProgrammer
Feb 6 '12 at 1:04
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How can I check if string contains characters & whitespace, not just whitespace?
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The way I read the question, is says that /any/ whitespace is allowed, as long as the string isn't /only/ whitespace. It is silent on what to do if the string is empty, so it may be that nickf's answer is still better.
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