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Is object empty? [duplicate]
...bject of keys just to count how many keys are inside, than destroys it! In order to create that object he needs to loop overt the keys... so why use it and not the (for... in...) option :)
var a = {};
function timeit(func,count) {
if (!count) count = 100000;
var start = Date.now();
...
How to use DISTINCT and ORDER BY in same SELECT statement?
...
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 Category, MAX(CreationDate)
FR...
How can I merge two hashes without overwritten duplicate keys in Ruby?
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Here you can merge your 2 hash by reverse_merge
order = {
id: 33987,
platform: 'web'
}
user = {
name: 'Jhon Doe',
email: 'jhon.doe@gmail.com'
}
newHash = oder.reverse_merge!(user)
render json: { data: newHash, status: 200 }
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Python dictionary: are keys() and values() always the same order?
... apparently the statement in the 3.x documentation is clearer: "the order of items will directly correspond"
– Shaohua Li
May 8 '16 at 3:49
...
CSS last-child(-1)
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Unless you can get PHP to label that element with a class you are better to use jQuery.
jQuery(document).ready(function () {
$count = jQuery("ul li").size() - 1;
alert($count);
jQuery("ul li:nth-child("+$count+")").css("color","red");
}...
Bootstrap 3: Keep selected tab on page refresh
...lic.com/faq/how-to-keep-the-current-tab-active-on-page-reload-in-bootstrap.php
https://www.w3schools.com/bootstrap/bootstrap_ref_js_tab.asp
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Percentage Height HTML 5/CSS
...th:100%; height:85vh">
<div style="width:70%; height: 100%; border: 2px dashed red"></div>
<div style="width:30%; height: 100%; border: 2px dashed red"></div>
</div>
shar...
What is the difference between MySQL Server and MySQL Client
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Presumably, if I am using a server side language, like PHP or Coldfusion [.cfml] to query my databases, I only need to install MySQL Server. For instance, in Coldfusion, we use Coldfusion Administrator to set up our data sources, which uses a MySQL Driver to provide the connectio...
Shrink a YouTube video to responsive width
...r on https://css-tricks.com/NetMag/FluidWidthVideo/Article-FluidWidthVideo.php
The problem with previous solution is that you need to have special div around video code, which is not suitable for most uses. So here is JavaScript solution without special div.
// Find all YouTube videos - RESIZE YOU...
Explain the concept of a stack frame in a nutshell
... returning from the stack, values will returned in reverse of the original order in which they were allocated in stack.
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