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Using the HTML5 “required” attribute for a group of checkboxes?

...-of-the-box way to do that. However, using jQuery, you can easily control if a checkbox group has at least one checked element. Consider the following DOM snippet: <div class="checkbox-group required"> <input type="checkbox" name="checkbox_name[]"> <input type="checkbox" na...
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React.js: onChange event for contentEditable

...hange: function(){ var html = this.getDOMNode().innerHTML; if (this.props.onChange && html !== this.lastHtml) { this.props.onChange({ target: { value: html } }); } this.lastHtml = htm...
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How to read multiple text files into a single RDD?

... @femibyte I don't think so, though I don't know why you would want to know the file name in any situation other than for wholeTextFiles. What is your use case? I can think of a workaround provided you use the same number of partitions as files ... ...
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How can I connect to a Tor hidden service using cURL in PHP?

...5_HOSTNAME, which sadly wasn't defined in old PHP versions, circa pre-5.6; if you have earlier in but you can explicitly use its value, which is equal to 7: curl_setopt($ch, CURLOPT_PROXYTYPE, 7); share | ...
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can we use xpath with BeautifulSoup?

... Martijn's code no longer works properly (it is 4+ years old by now...), the etree.parse() line prints to the console and doesn't assign the value to the tree variable. That's quite a claim. I certainly can't reproduce that, and it would not make any sense. Are you sure you are using Pyth...
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What are the advantages of NumPy over regular Python lists?

...pointers which double in size) -- a much costlier piece of hardware! The difference is mostly due to "indirectness" -- a Python list is an array of pointers to Python objects, at least 4 bytes per pointer plus 16 bytes for even the smallest Python object (4 for type pointer, 4 for reference count, ...
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How to navigate through textfields (Next / Done Buttons)

... it. Benefits: Closer to OSX textfield implementation where a textfield knows where the focus should go next Does not rely on setting or using tags -- which are, IMO fragile for this use case Can be extended to work with both UITextField and UITextView controls -- or any keyboard entry UI control ...
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iPhone Data Usage Tracking/Monitoring

...pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface. I read in Apple forum that : The OS does not keep network statistics on a process-by-process basis. As such, there's no exact solution to this problem. You can, ho...
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How to scroll to the bottom of a UITableView on the iPhone before the view appears

... that we need to call this before reloading the tableview... It won't work if we write this after [table reloadData]; – Fahim Parkar Jan 14 '15 at 5:42 ...
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How to use getJSON, sending data with post method?

..."json"); In that call, dataToBeSent could be anything you want, although if are sending the contents of a an html form, you can use the serialize method to create the data for the POST from your form. var dataToBeSent = $("form").serialize(); ...