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Parsing a JSON string in Ruby
...a hash
p parsed["desc"]["someKey"]
p parsed["main_item"]["stats"]["a"]
# Read JSON from a file, iterate over objects
file = open("shops.json")
json = file.read
parsed = JSON.parse(json)
parsed["shop"].each do |shop|
p shop["id"]
end
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Using CSS to affect div style inside iframe
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Yes. Take a look at this other thread for details:
How to apply CSS to iframe?
var cssLink = document.createElement("link");
cssLink.href = "style.css";
cssLink.rel = "stylesheet";
cssLink.type = "text/css";
frames['frame1'].document.body.appendChild(...
How do I do a case-insensitive string comparison?
...ld be supporting internationalization. Regardless, new programmers will be reading this and we should give them the truly correct answer.
– Ethan Reesor
Apr 27 '16 at 18:28
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If unit testing is so great, why aren't more companies doing it? [closed]
...n point to studies, but they don't fit nicely on your business manager's spreadsheet.
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Is it possible to do start iterating from an element other than the first using foreach?
... can use Take to limit the number of elements which are returned.
You can read more about both of these (and the related SkipWhile and TakeWhile methods) in my Edulinq blog series.
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Symfony 2: How do I check if a user is not logged in inside a template?
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The - removes all trailing whitespace so that it's more readable in the browser source source. More info here: twig.sensiolabs.org/doc/templates.html#whitespace-control
– Anil
Jan 1 '15 at 23:44
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How to handle multiple cookies with the same name?
... Thank you for digging this out from these damn RFCs! //why even bother reading them if no one is following these recommendations?..
– Rast
Sep 3 '14 at 7:00
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What are “sugar”, “desugar” terms in context of Java 8?
...ditions, mostly shortcuts, that make some constructs easier to type and to read (the latter being, in practice, the most important during the life cycle of your program).
Wikipedia has a definition of syntactic sugar but you should note that not all sugar is, in essence, syntactical (not all recent...
How to add line break for UILabel?
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If you read a string from an XML file, the line break \n in this string will not work in UILabel text. The \n is not parsed to a line break.
Here is a little trick to solve this issue:
// correct next line \n in string from XML fi...
Attach IntelliJ IDEA debugger to a running Java process
...lick "OK" to save:
JVM Options
The configuration above provides three read-only fields. These are options that tell the JVM to open up port 5005 for remote debugging when running your application. Add the appropriate one to the JVM options of the application you are debugging. One way you might...