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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...ould like to automatically enable swap file after each reboot.
Some useful command related to SWAP space:
$ swapon -s
$ free -k
$ swapoff -a
$ swapon -a
References:
http://www.thegeekstuff.com/2010/08/how-to-add-swap-space/
http://cloudstory.in/2012/02/getting-the-best-out-of-amazon-ec2-micro...
jQuery: Check if div with certain class name exists
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Create request with POST, which response codes 200 or 201 and content
...Created
Date: Sat, 02 Apr 2016 12:22:40 GMT
Location: http://stackoverflow.com/a/36373586/12597
Response body
They then go on to mention what you should include in the response body:
The 201 response payload typically describes and links to the resource(s) created.
For the human using the b...
Truncating long strings with CSS: feasible yet?
...historical record.
Justin Maxwell has cross browser CSS solution. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works.
Note this technique also prevents updating the content...
parsing JSONP $http.jsonp() response in angular.js
...l throw $http/legacy error.
USE:
var url = "http://public-api.wordpress.com/rest/v1/sites/wtmpeachtest.wordpress.com/posts"
var trustedUrl = $sce.trustAsResourceUrl(url);
$http.jsonp(trustedUrl, {jsonpCallbackParam: 'callback'})
.then(function(data){
console.log(data.found);
});
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Is there a way to use shell_exec without waiting for the command to complete?
...dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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How to log request and response body with Retrofit-Android?
I can't find relevant methods in the Retrofit API for logging complete request/response bodies. I
was expecting some help in the Profiler (but it only offers meta-data about response). I tried setting the log level in the Builder, but this doesn't help me either :
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What does multicore assembly language look like?
...swer to the question, but it's an answer to a question that appears in the comments. Essentially, the question is what support the hardware gives to multi-threaded operation.
Nicholas Flynt had it right, at least regarding x86. In a multi threaded environment (Hyper-threading, multi-core or multi...
Fastest way to download a GitHub project
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How to automatically install Ansible Galaxy roles?
...t
# Install a role from GitHub
- name: opendaylight
src: https://github.com/dfarrell07/ansible-opendaylight
# Install a role from a specific git branch
- name: opendaylight
src: https://github.com/dfarrell07/ansible-opendaylight
version: origin/master
# Install a role at a specific tag from...