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How do I parse JSON with Ruby on Rails? [duplicate]
I'm looking for a simple way to parse JSON, extract a value and write it into a database in Rails.
12 Answers
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What parameters should I use in a Google Maps URL to go to a lat-lon?
I would like to produce a url for Google Maps that goes to a specific latitude and longitude. Now, I generate a url such as this:
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How to check if a service is running on Android?
How do I check if a background service is running?
31 Answers
31
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How do you check if a variable is an array in JavaScript? [duplicate]
I would like to check whether a variable is either an array or a single value in JavaScript.
23 Answers
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How do I read and parse an XML file in C#?
...dXml("<xml>something</xml>");
then find a node below it ie like this
XmlNode node = doc.DocumentElement.SelectSingleNode("/book/title");
or
foreach(XmlNode node in doc.DocumentElement.ChildNodes){
string text = node.InnerText; //or loop through its children as well
}
then read...
How to set the text color of TextView in code?
In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000" . But how do I change it by coding?
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Difference between >>> and >>
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Ziggy
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answered May 11 '10 at 14:07
danbendanben
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How to draw a custom UIView that is just a circle - iPhone app
...something this --
self.circleView = [[UIView alloc] initWithFrame:CGRectMake(10,20,100,100)];
self.circleView.alpha = 0.5;
self.circleView.layer.cornerRadius = 50; // half the width/height
self.circleView.backgroundColor = [UIColor blueColor];
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Sum a list of numbers in Python
...t (element 0 + element 1) / 2, (element 1 + element 2) / 2, ... etc.
We make two lists: one of every element except the first, and one of every element except the last. Then the averages we want are the averages of each pair taken from the two lists. We use zip to take pairs from two lists.
I assu...
What does the unary plus operator do?
...and here ) but I still have no idea what it would be used for. It seems like it doesn't do anything but there has be a reason for it, right?
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