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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...
How to bind inverse boolean properties in WPF?
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You can use a ValueConverter that inverts a bool property for you.
XAML:
IsEnabled="{Binding Path=IsReadOnly, Converter={StaticResource InverseBooleanConverter}}"
Converter:
[ValueConversion(typeof(bool), typeof(bool))]
public class In...
Converting XML to JSON using Python?
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There is no "one-to-one" mapping between XML and JSON, so converting one to the other necessarily requires some understanding of what you want to do with the results.
That being said, Python's standard library has several modules for parsing XML (including DOM, SAX, and ElementTree...
Python concatenate text files
...people who learn about fileinput are told that it's a way to turn a simple sys.argv (or what's left as args after optparse/etc.) into a big virtual file for trivial scripts, and don't think to use it for anything else (i.e., when the list isn't command-line args). Or they do learn, but then forget...
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...
How should strace be used?
...d out how a program is interacting with the OS. It does this by monitoring system calls and signals.
Uses
Good for when you don't have source code or don't want to be bothered to really go through it.
Also, useful for your own code if you don't feel like opening up GDB, but are just interested in u...
What's the Linq to SQL equivalent to TOP or LIMIT/OFFSET?
...d to a property name.
See http://blogs.msdn.com/vbteam/archive/2008/01/08/converting-sql-to-linq-part-7-union-top-subqueries-bill-horst.aspx for more detail.
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Convert String to double in Java
How can I convert a String such as "12.34" to a double in Java?
15 Answers
15
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Is there a tool to convert JavaScript files to TypeScript [closed]
Now TypeScript came out, it is an exciting news for me, but how can I convert all the existing JavaScript files to TypeScript.
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Convert Pixels to Points
I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
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