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Integrating the ZXing library directly into my Android application
...xtra(DATA, string). This can be used for URLs too, but string
// must include "http://" or "https://".
public static final String TEXT = "TEXT_TYPE";
// An email type. Use Intent.putExtra(DATA, string) where string is the email address.
public static final String EMAIL ...
JSON datetime between Python and JavaScript
...andle the most common encoding issues you might come across in Python code including date/datetime objects while handling timezones correctly.
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Sending and Parsing JSON Objects in Android [closed]
...s far as working with it in Android, there are ready made classes for that included in the sdk (no download required).
Check out these classes:
http://developer.android.com/reference/org/json/package-summary.html
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Number of elements in a javascript object
...t.keys(obj).length
(Browser support from here)
(Doc on Object.keys here, includes method you can add to non-ECMA5 browsers)
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How to format a UTC date as a `YYYY-MM-DD hh:mm:ss` string using NodeJS?
...javascript date library for parsing, manipulating, and formatting dates" - Includes internationalization, calculations and relative date formats - Update 2017-03-29: Not quite so light-weight any more but still the most comprehensive solution, especially if you need timezone support.
date-fns [added...
read.csv warning 'EOF within quoted string' prevents complete reading of file
...I was trying to read in data from a text file (separated with commas) that included a few Spanish characters and it took me forever to figure it out.
I knew I needed to use UTF-8 encoding, set the header arg to TRUE, and that I need to set the sep arguemnt to ",", but then I still got hang ups. Afte...
Using semicolon (;) vs plus (+) with exec in find
...would try to avoid reaching the limit on the number of arguments. And that includes Solaris' (10 at least). Where it may fail is if you do something like find ... -exec ksh -c 'cmd "$@" "$@"' sh {} + or find ... -exec ksh -c 'files="$*" cmd "$@"' sh {} +, but find can't really be blamed for that. No...
What's the difference between an element and a node in XML?
...explained in the "Node types" chapter.
An XML element is everything from (including) the element's start tag to (including) the element's end tag.
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How to convert std::string to NSString?
...framework and I was testing a library that utilizes these methods I had to include the file containing the string conversion methods as one of the "Compile Sources" in the "Build Phases" for the unit test. Weird.
– David
Jul 18 '13 at 19:14
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Getting LaTeX into R Plots
...tting to a .fig format instead of directly to a .pdf; you write the titles including the latex code and use fig2ps or fig2pdf to create the final graphic file. The setup I had to do this broke with R 2.5; if I had to do it again I'd look into tikz instead, but am including this here anyway as anoth...