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Scala how can I count the number of occurrences in a list
I want to implement it like this: list.count(2) (returns 3).
16 Answers
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Converting Integer to String with comma for thousands
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How can I make my own base image for Docker?
According to the Docker documentation , to build your own image, you must always specify a base image using the FROM instruction.
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How to check the extension of a filename in a bash script?
...Note that the space between file: and -4 is required, as the ':-' modifier means something different.
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JavaScript: remove event listener
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You need to use named functions.
Also, the click variable needs to be outside the handler to increment.
var click_count = 0;
function myClick(event) {
click_count++;
if(click_count == 50) {
// to remove
canvas.removeEv...
Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”
...ther words, a totally clean re-install. Upon starting IRB, I received this message:
5 Answers
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How can I round down a number in Javascript?
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It's also the slowest method; if you need to perform a lot of these, use the bitwise | operator (see my post).
– geraldalewis
Sep 16 '09 at 23:18
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Re-enabling window.alert in Chrome
I accidently checked the "disable alerts from this site" box in Chrome, and now I cannot get any window.alert to work on my localhost.
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Using comma as list separator with AngularJS
... This technique is more flexible than using .join because it allows the elements in the list to each be members of an array, like: <b ng-repeat="friend in friends">{{friend.email}}{{{true: '', false: ', '}[$last]}}</b>
– Ryan Marcus
May 25 '13 at 20...
What is the proper REST response code for a valid request but an empty data?
...e 404
See This Blog. It explains it very well.
Summary of the blog's comments on 204:
204 No Content is not terribly useful as a response code for a browser (although according to the HTTP spec browsers do need to understand it as a 'don't change the view' response code).
204 No Content is howe...