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Ways to implement data versioning in MongoDB
...ame time.
UPDATE: 2015-10
It looks like there is now a spec for handling JSON diffs. This seems like a more robust way to store the diffs / changes.
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Deep copying an NSArray
...
I have a workaround if trying to achieve deep copy for JSON compatible data.
Simply take NSData of NSArray using NSJSONSerialization and then recreate JSON Object, this will create a complete new and fresh copy of NSArray/NSDictionary with new memory references of them.
But mak...
Convert bytes to a string
...ybe this will help somebody further: Sometimes you use byte array for e.x. TCP communication. If you want to convert byte array to string cutting off trailing '\x00' characters the following answer is not enough. Use b'example\x00\x00'.decode('utf-8').strip('\x00') then.
– Wook...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... function foo() {
var res = await fetch(url)
console.log(res.ok)
var json = await res.json()
console.log(json)
}
Edit
chrome is working on Disallowing sync XHR in page dismissal when the page is being navigated away or closed by the user. This involves beforeunload, unload, pagehide and vi...
NodeJS - What does “socket hang up” actually mean?
...CloseListener (http.js:1526:9)
at Socket.emit (events.js:95:17)
at TCP.close (net.js:465:12)
Line http.js:1526:9points to the same socketCloseListener mentioned above by @Blender, particularly:
// This socket error fired before we started to
// receive a response. The error needs to
// fi...
NodeJS: Saving a base64-encoded image to disk
....writeFile("test.jpg", imageBuffer.data, function(err ) { json_response['success'] = true; res.json(json_response); }); image is uploaded but result is not that liking to me.. error : 502 Bad Gateway actually problem in res.json , why this is not printing......
How to use multiple AWS Accounts from the command line?
...n file
~/.aws/config
this
[default]
region={{region}}
output={{output:"json||text"}}
[profile {{profile_name}}]
region={{region}}
output={{output:"json||text"}}
3) Test it with AWS Command Line and command and output will be JSON
aws ec2 describe-instances --profile {{profile_name}}
Ref
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小米360同日竞技：智能手机血战再起 - 资讯 - 清泛网 - 专注C/C++及内核技术
...日，奇虎360也宣布重回智能手机市场，欲通过成本价销售和众筹模式杀出重围。5月6日，小米科技发布小米Note顶配版真机，预计将于5月12日正式发售。此前，有消息称小米Note顶配版售价为3299元。小米科技董事长雷军当天确认价...
Access denied for user 'root@localhost' (using password:NO)
...rvers'][$i]['socket'] = '';
$cfg['Servers'][$i]['connect_type'] = 'tcp';
$cfg['Servers'][$i]['extension'] = 'mysqli';
$cfg['Servers'][$i]['auth_type'] = 'config';
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = 'YOURPASSWORD';
$...
Access-Control-Allow-Origin error sending a jQuery Post to Google API's
...s-Control-Allow-Origin error modifying the dataType parameter to dataType:'jsonp' and adding a crossDomain:true
$.ajax({
url: 'https://www.googleapis.com/moderator/v1/series?key='+key,
data: myData,
type: 'GET',
crossDomain: true,
dataType: 'jsonp',
success: function() { al...