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How to efficiently count the number of keys/properties of an object in JavaScript?
...).length worked best for me, because my return object is sometimes a plain string with no properties within it. _.size(obj) gives me back the length of the string, while _.keys(obj).length returns 0.
– Jacob Stamm
Nov 23 '15 at 23:02
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How to show Page Loading div until the page has finished loading?
... window (not the document) finishes loading, then it will wait an optional extra few seconds.
Works with jQuery 3 (it has a new window load event)
No image needed but it's easy to add one
Change the delay for more branding or instructions
Only dependency is jQuery.
CSS loader c...
node.js database [closed]
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By default, node_redis will return JavaScript strings for all commands. To get buffers instead, create a client with createClient(port, host, { return_buffers: true });
– Matt Ranney
Sep 20 '11 at 6:40
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“The Controls collection cannot be modified because the control contains code blocks”
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Or better, use a placeholder so no extra html code is output.
– Chris Haines
Sep 13 '13 at 11:13
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How do I horizontally center an absolute positioned element inside a 100% width div? [duplicate]
...ent. Now magic happens when margin is set to auto. margin takes up all the extra space(equally on each side) leaving the content to its specified width. This results in content becoming center aligned.
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Rails: Is there a rails trick to adding commas to large numbers?
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Sure, it reverses the string, then adds a comma after any sequence of 3 digits that is also followed by another digit, then reverses it back.
– pguardiario
Feb 22 '13 at 0:04
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Using multiple delimiters in awk
...ors, with | : ex: awk -F 'this|that|[=/]' '......' (usefull to have words/strings separating things) (note that this keeps the spaces in the fiels between 2 separators. Adding also |[ \t]+ can be useful, but can make things tricky ... as there are often spaces before and after 'this', this will ma...
Bootstrap: Open Another Modal in Modal
...st modal. In this case the markup for the 2nd is placed inside the 1st. No extra CSS or jQuery is needed.
<div class="modal" id="myModal1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class=...
Is using Random and OrderBy a good shuffle algorithm?
...Or you could replace the > 0 with >= 0 and not have to (although, an extra RNG hit plus a redundant assignment)
– FryGuy
Nov 29 '09 at 20:40
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simple HTTP server in Java using only Java SE API
...t.httpserver.HttpServer;
public class Test {
public static void main(String[] args) throws Exception {
HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0);
server.createContext("/test", new MyHandler());
server.setExecutor(null); // creates a default e...