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How do I show multiple recaptchas on a single page?
...out doing this on an ASP page (link) and the consensus over there was that it was not possible to do with recaptcha. It seems that multiple forms on a single page must share the captcha, unless you're willing to use a different captcha. If you are not locked into recaptcha a good library to take a l...
How can I scan barcodes on iOS?
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We produced the 'Barcodes' application for the iPhone. It can decode QR Codes. The source code is available from the zxing project; specifically, you want to take a look at the iPhone client and the partial C++ port of the core library. The port is a little old, from circa the 0....
package R does not exist
I'm getting the dreaded package R does not exist, it's killing me.
The code is fine I have apps in the market running the code.
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How to place div side by side
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edited Sep 16 at 15:15
NearHuscarl
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SQL how to increase or decrease one for a int column in one command
I have an Orders table which has a Quantity column. During check in or check out, we need to update that Quantity column by one. Is there a way to do this in one action or we have to get the existing value and then add or minus one on top of it?
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Detect if called through require or directly by command line
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edited Feb 19 '19 at 15:50
Christopher McCormack
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answered Jun...
How do I check if a string is valid JSON in Python?
..., is there a way to check if a string is valid JSON before trying to parse it?
4 Answers
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How to put space character into a string name in XML?
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to use white space in xml as string use  . XML won't take white space as it is. it will trim the white space before setting it. So use   instead of single white space
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Parallelize Bash script with maximum number of processes
...ng on what you want to do xargs also can help (here: converting documents with pdf2ps):
cpus=$( ls -d /sys/devices/system/cpu/cpu[[:digit:]]* | wc -w )
find . -name \*.pdf | xargs --max-args=1 --max-procs=$cpus pdf2ps
From the docs:
--max-procs=max-procs
-P max-procs
Run up to max-procs...
Different ways of loading a file as an InputStream
...is interpreted as a path local to the package of the class you are calling it from. For example calling, String.class.getResourceAsStream("myfile.txt") will look for a file in your classpath at the following location: "java/lang/myfile.txt". If your path starts with a /, then it will be considered a...