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How can I access and process nested objects, arrays or JSON?
...e.
// either `42` or the array
}
Depending on where the object comes from (and what you want to do), you might have to test in each iteration whether the property is really a property of the object, or it is an inherited property. You can do this with Object#hasOwnProperty [MDN].
As alternati...
On EC2: sudo node command not found, but node without sudo is ok
... done only in Amazon AMI system? Does Amazon AMI system separate root path from user path?
– user482594
Feb 22 '12 at 20:45
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Disable scrolling on ``
... Great answer, but at least in webkit, this also prevents the window from scrolling while the cursor is over the input element. I thought mousewheel events are supposed to bubble too.
– Ryan McGeary
Oct 8 '14 at 20:21
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Operator precedence with Javascript Ternary operator
...r h.className, better be specific about it.
Of course, no harm should come from h.className += ' error', but that's another matter.
Also, note that + has precedence over the ternary operator: JavaScript Operator Precedence
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Converting numpy dtypes to native python types
...ng mixed set of numpy types and standard python. as all numpy types derive from numpy.generic, here's how you can convert everything to python standard types:
if isinstance(obj, numpy.generic):
return numpy.asscalar(obj)
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...more subtle: DATETIME is formatted as YYYY-MM-DD HH:MM:SS. Valid ranges go from the year 1000 to the year 9999 (and everything in between. While TIMESTAMP looks similar when you fetch it from the database, it's really a just a front for a unix timestamp. Its valid range goes from 1970 to 2038. The d...
Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
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A tweet from DHH earlier. Rake .9.0 breaks Rails and several other things, you need to:
gem "rake", "0.8.7"
in your Gemfile.
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javax.faces.application.ViewExpiredException: View could not be restored
...do to redirect user to for example index.xhtml or login.xhtml and save him from seeing that error page/message?
10 Answers
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
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I think our solution was sufficiently different from everyone elses so I'll document it here.
We have setup of Main layout, an intermediary layout and then the final action page render. Main.cshtml <- Config.cshtml <- Action.cshtml
Only when web.config had customEr...
JSONDecodeError: Expecting value: line 1 column 1 (char 0)
...uded with Python as the json module.
There is no need to decode a response from UTF8 to unicode, the simplejson / json .loads() method can handle UTF8 encoded data natively.
pycurl has a very archaic API. Unless you have a specific requirement for using it, there are better choices.
requests offer...