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Java - get pixel array from image
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@Reddy I gave it a try, and I do see a difference in the file size, which I'm not sure why! I have, however, been able to reproduce the exact pixel values using this code (using the alpha channel): pastebin.com/zukCK2tu You may need to modify the third argument of the BufferedImage...
The “backspace” escape character '\b': unexpected behavior?
...our terminal is interpeting the \b and \n codes.
Redirect the output to a file and I bet you get something else entirely. Although you may have to look at the file's bytes to see the difference.
[edit]
To elaborate a bit, this printf emits a sequence of bytes: hello worl^H^Hd^J, where ^H is ASCI...
How to re-raise an exception in nested try/except blocks?
... raise err from None
>>> f()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 9, in f
File "<stdin>", line 3, in f
SyntaxError: None
>>>
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How to convert JSON to CSV format and store in a variable
...convert this data using JavaScript in CSV format and save it in JavaScript file?
16 Answers
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What is the proper way to test if a parameter is empty in a batch file?
...It uses the ability of the CALL command to fail without aborting the batch file.
@echo off
setlocal EnableDelayedExpansion
set "arg1="
call set "arg1=%%1"
if defined arg1 goto :arg_exists
set "arg1=#"
call set "arg1=%%1"
if "!arg1!" EQU "#" (
echo arg1 exists, but can't assigned to a variable...
Script parameters in Bash
... var1=${!i};
elif [ ${!i} = "-log" ];
then ((i++))
logFile=${!i};
elif [ ${!i} = "-x" ];
then ((i++))
var2=${!i};
elif [ ${!i} = "-p" ];
then ((i++))
var3=${!i};
elif [ ${!i} = "-b" ];
then ((i++))
var4=${!i};
eli...
Using global variables in a function
...es made to the module object get reflected everywhere. For example:
File: config.py
x = 0 # Default value of the 'x' configuration setting
File: mod.py
import config
config.x = 1
File: main.py
import config
import mod
print config.x
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Is it possible to override the configuration of a plugin already defined for a profile in a parent P
In a POM parent file of my project, I have such a profile defining some configurations useful for this project (so that I can't get rid of this parent POM) :
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Is there a way for multiple processes to share a listening socket?
...sing fork() will cause the forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apache in most cases,...
Using Jasmine to spy on a function without an object
I'm new to Jasmine and have just started using it. I have a library js file with lots of functions which are not associated with any object (i.e. are global). How do I go about spying on these functions?
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