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Algorithm to detect corners of paper sheet in photo
...of a rush, so the code needs some errr...decoding...
I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow.
First tip, OpenCV and python are awesome, move to them as soon as possible. :D
Instead of removing small objects and or noise, lower the c...
setTimeout in for-loop does not print consecutive values [duplicate]
... is incorrect. The closure was already there since you could call alert(i) from an anonymous callback. The problem was closure references i from global for block. So the proper answer is: IIFE creates additional scope per iteration to bound i and pass it to the anonymous callback. Then closure refer...
What's the safest way to iterate through the keys of a Perl hash?
...a
problem. However, you will run into hard to track down problems (I speak from
experience ;), when using each together with statements like
last or return to exit from the while ... each loop before you
have processed all keys.
In this case, the hash will remember which keys it has already returne...
Is null an Object?
...s that is not a subclass of java.lang.Object, but I never thought about it from a more philosophical point of view
– Andreas Dolk
Dec 12 '09 at 22:23
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What happens when there's insufficient memory to throw an OutOfMemoryError?
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From the JVM Spec, Chapter 3.5.2:
If Java virtual machine stacks can be dynamically expanded, and expansion is attempted but insufficient memory can be made available to effect the expansion, or if insufficient memory can...
How to check if a process is running via a batch script
How can I check if an application is running from a batch (well cmd) file?
18 Answers
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Should struct definitions go in .h or .c file?
...in a header file allows you to use the structure (or any other definition) from multiple source files, just by including that header file.
But if you are sure it will only be used from one source file, then it really doesn't make any difference.
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Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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log4j: Log output of a specific class to a specific appender
... @dwjohnston setting additivity to false will prevent the logger from logging to the appenders of it's ancestors (it's true by default), In this case, had the additivity been left to true, logging to the Baz appender would have written to both files.
– Maurice Perry
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Trying to embed newline in a variable in bash [duplicate]
...to insert a real new lines. To thank you I have upvoted a very good answer from you. Cheers. See you ;-)
– olibre
Feb 4 '12 at 20:49
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