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How do I match any character across multiple lines in a regular expression?
...gt;
It basically says "any character or a newline" repeated zero or more times.
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Custom events in jQuery?
...ectivity has been lost, or the server is simply unreachable at the current time.
$.networkDetection = function(url,interval){
var url = url;
var interval = interval;
online = false;
this.StartPolling = function(){
this.StopPolling();
this.timer = setInterval(poll, in...
How to output numbers with leading zeros in JavaScript [duplicate]
...
According to this benchmark, this method is 5 times slower than the accepted solution: gist.github.com/4382935
– andrewrk
Dec 26 '12 at 20:36
2
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How to wait until an element exists?
...aram {function|string} handler
* A function to execute at the time when the element is inserted or
* string "remove" to remove the listener from the given selector
* @param {bool} shouldRunHandlerOnce
* Optional: if true, handler is unbound after its first inv...
Docker build “Could not resolve 'archive.ubuntu.com'” apt-get fails to install anything
...e problem:
$ docker run --rm busybox nslookup google.com # takes a long time
nslookup: can't resolve 'google.com' # <--- appears after a long time
Server: 8.8.8.8
Address 1: 8.8.8.8
If the command appears to hang, but eventually spits out the error "can't resolve 'google.com'", then you...
How to display request headers with command line curl
...differently to a HEAD as opposed to a GET. It will be the same most of the time, but not always. To see only the headers use curl -o /dev/null -D /dev/stdout. That will give the expected results 100% of the time.
– Bruno Bronosky
Apr 14 '16 at 22:29
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Use of .apply() with 'new' operator. Is this possible?
...ke a more specific version so you don't have to pass the constructor every time. This is also slightly more efficient, since it doesn't need to create a new instance of the inner function every time you call it.
var createSomething = (function() {
function F(args) {
return Something.app...
Difference between HBase and Hadoop/HDFS
...database that runs on top your Hadoop cluster and provides you random real-time read/write access to your data.
You can store both structured and unstructured data in Hadoop, and HBase as well. Both of them provide you multiple mechanisms to access the data, like the shell and other APIs.
And, HBas...
JavaScript and Threads
...re was some hacky way to simulate an asynchronous execution with Yield, setTimeout(), setInterval(), XMLHttpRequest or event handlers (see the end of this post for an example with yield and setTimeout()).
But with HTML5 we can now use Worker Threads to parallelize the execution of functions. Here i...
Should switch statements always contain a default clause?
...
At the same time if you are checking a GET parameter, you might not want an exception thrown every time a user changes the get url to something that is not valid :[
– Andrew
Aug 13 '15 at 18:33
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