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ReactJS Two components communicating

...ou plan to arrange those components. A few example scenarios that come to mind right now: <Filters /> is a child component of <List /> Both <Filters /> and <List /> are children of a parent component <Filters /> and <List /> live in separate root components enti...
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What is the right way to check for a null string in Objective-C?

I was using this in my iPhone app 20 Answers 20 ...
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Django Rest Framework: Dynamically return subset of fields

As recommended in the blogpost Best Practices for Designing a Pragmatic RESTful API , I would like to add a fields query parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource. ...
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mongodb: insert if not exists

...very day, I receive a stock of documents (an update). What I want to do is insert each item that does not already exist. 8 ...
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Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...ostinfo['first']}--> <input name="subject" type="hidden" value="" /> <!--{else}--> <!--{if $_GET[action] != 'reply'}--> <span><input type="text" name="subject" id="subject" class="px" value="$postinfo...
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How to pass anonymous types as parameters?

... I think you should make a class for this anonymous type. That'd be the most sensible thing to do in my opinion. But if you really don't want to, you could use dynamics: public void LogEmployees (IEnumerable&lt;dynamic&gt; list...
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Facebook Post Link Image

When someone posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page. ...
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Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?

Like most people, I'm using the jQuery Nuget package to keep up to date. 4 Answers 4...
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Pure JavaScript Send POST Data Without a Form

Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)? ...
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set the width of select2 input (through Angular-ui directive)

I have problem making this plunkr (select2 + angulat-ui) work. 11 Answers 11 ...