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Recommended way of making React component/div draggable

...React.createClass({ getDefaultProps: function () { return { // allow the initial position to be passed in as a prop initialPos: {x: 0, y: 0} } }, getInitialState: function () { return { pos: this.props.initialPos, dragging: false, rel: null // position...
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Python: Tuples/dictionaries as keys, select, sort

...es and so on. I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g., ...
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What is the canonical way to check for errors using the CUDA runtime API?

...ag wiki , I see it is often suggested that the return status of every API call should checked for errors. The API documentation contains functions like cudaGetLastError , cudaPeekAtLastError , and cudaGetErrorString , but what is the best way to put these together to reliably catch and report err...
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]

... I prefer using the dateutil library for timezone handling and generally solid date parsing. If you were to get an ISO 8601 string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. ...
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google mock分享(全网最全最好的gmock文档,没有之一) - C/C++ - 清泛网 ...

... string value = "Hello World!"; MockFoo mockFoo; EXPECT_CALL(mockFoo, getArbitraryString()).Times(1). WillOnce(Return(value)); string returnValue = mockFoo.getArbitraryString(); cout << "Returned Value: " << returnValue << endl; return...
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Handlebars.js Else If

... {{#if FriendStatus.IsFriend}} &lt;div class="ui-state-default ui-corner-all" title=".ui-icon-mail-closed"&gt;&lt;span class="ui-icon ui-icon-mail-closed"&gt;&lt;/span&gt;&lt;/div&gt; {{else if FriendStatus.FriendRequested}} &lt;div class="ui-state-default ui-corner-all" title=".ui-icon-check"&g...
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Setting the selected value on a Django forms.ChoiceField

...rying to assign the selected value to a ChoiceField. If you have already called super().__init__ in your Form class, you should update the form.initial dictionary, not the field.initial property. If you study form.initial (e.g. print self.initial after the call to super().__init__), it will contai...
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Are duplicate keys allowed in the definition of binary search trees?

...cluded. For example, the example algorithms in the MIT Algorithms book usually present examples without duplicates. It is fairly trivial to implement duplicates (either as a list at the node, or in one particular direction.) Most (that I've seen) specify left children as &lt;= and right children ...
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Get class name of django model

... Django models are derived from the ModelBase, which is the Metaclass for all models. share | improve this answer | follow | ...
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How do I get Flask to run on port 80?

...roxy HTTP traffic through apache2 to Flask. This way, apache2 can handle all your static files (which it's very good at - much better than the debug server built into Flask) and act as a reverse proxy for your dynamic content, passing those requests to Flask. Here's a link to the official documen...