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How do you use window.postMessage across domains?
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Probably you try to send your data from mydomain.com to www.mydomain.com or reverse, NOTE you missed "www". http://mydomain.com and http://www.mydomain.com are different domains to javascript.
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Is there a Wikipedia API?
...box templates
Here is a quick example how it could be done in .NET http://www.kozlenko.info/blog/2010/07/20/executing-sparql-query-on-wikipedia-in-net/
There are some SPARQL libraries available for multiple platforms to make queries easier
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qrcodejs：根据URL地址生成二维码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，页面中引入两个js：<script type="text javascript" src="https: www tsingfun com statics js jquer qrcodejs下载地址：http://davidshimjs.github.io/qrcodejs/
用起来很简单，页面中引入两个js：
<script type="text/javascript" src="https://www.tsingfun.com/statics/js/jquer...
Why are C# 3.0 object initializer constructor parentheses optional?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Do SVG docs support custom data- attributes?
... the namespace in SVG opening tag, like this: <svg xmlns:mydata="http://www.myexample.com/whatever">
EDIT: SVG2, currently W3C Candidate Recommendation (04 October 2018), will support data- directly (without namespaces, the same as HTML). It will take some time before the support is widesp...
PHP: How to check if image file exists?
...filename in quotation marks at least (as string):
if (file_exists('http://www.mydomain.com/images/'.$filename)) {
… }
Also, make sure $filename is properly validated. And then, it will only work when allow_url_fopen is activated in your PHP config
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NSDate beginning of day and end of day
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You are missing NSDayCalendarUnit in
NSDateComponents *components = [cal components:( NSMonthCalendarUnit | NSYearCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit ) fromDate:date];
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MySQL Query GROUP BY day / month / year
...n one line.
– nights
Nov 1 '18 at 3:01
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Is the Javascript date object always one day off?
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101
Notice that Eastern Daylight Time is -4 hours and that the hours on the date you're getting bac...
Where's my JSON data in my incoming Django request?
...(request.body) # {'name':'John', 'age': 42}
Method 2
Client : Send as x-www-form-urlencoded
(Note: contentType & processData have changed, JSON.stringify is not needed)
$.ajax({
url: 'example.com/ajax/',
type: 'POST',
data: {'name':'John', 'age': 42},
contentType: 'appli...