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Convert a python dict to a string and back

...back into the dictionary object when the program is run again. How would I convert a dictionary object into a string that can be written to a file and loaded back into a dictionary object? This will hopefully support dictionaries containing dictionaries. ...
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converting CSV/XLS to JSON? [closed]

Does anyone know if there is application that will let me convert preferably XLS to JSON? 10 Answers ...
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php is null or empty?

... @Robert: A string not starting with digits is converted to 0 when cast to a string: codepad.org/qi40SG3E. So (int)"php" == 0. – Felix Kling Nov 27 '13 at 21:58 ...
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How do I convert a PDF document to a preview image in PHP? [closed]

...n conjunction with GhostScript. Run the ghostscript command with exec() to convert a PDF to JPG, and manipulate the resulting file with imagecreatefromjpeg(). Run the ghostscript command: exec('gs -dSAFER -dBATCH -sDEVICE=jpeg -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -r300 -sOutputFile=whatever.jp...
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How can I convert an image to grayscale via the command line? [closed]

How can I use sips , imagemagic , or another tool to convert an image to black and white (grayscale) via the command line? ...
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How do I use a custom Serializer with Jackson?

...text ds) throws IOException, JsonProcessingException { SqlTimestampConverter s = new SqlTimestampConverter(); String value = jp.getValueAsString(); if(value != null && !value.isEmpty() && !value.equals("null")) return (Timestamp) s.convert(Timestam...
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Compare two dates with JavaScript

... The easiest way to compare dates in javascript is to first convert it to a Date object and then compare these date-objects. Below you find an object with three functions: dates.compare(a,b) Returns a number: -1 if a < b 0 if a = b 1 if a > b NaN if a or b is an illegal da...
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How do I convert an NSString value to NSData?

How do I convert an NSString value to NSData ? 11 Answers 11 ...
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How to save MailMessage object to disk as *.eml or *.msg file

... Here's an extension method to convert a MailMessage to a stream containing the EML data. Its obviously a bit of a hack as it uses the file system, but it works. public static void SaveMailMessage(this MailMessage msg, string filePath) { using (var fs...
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Convert UTC datetime string to local datetime

I've never had to convert time to and from UTC. Recently had a request to have my app be timezone aware, and I've been running myself in circles. Lots of information on converting local time to UTC, which I found fairly elementary (maybe I'm doing that wrong as well), but I can not find any informat...