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What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
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Further reading for any of the topics here: The Definitive Guide to Linux System Calls
I verified these using GNU Assembler (gas) on Linux.
Kernel Interface
x86-32 aka i386 Linux System Call convention:
In x86-32 parameters ...
How do I protect Python code? [closed]
...a criminal offense.
Since no technical method can stop your customers from reading your code, you have to apply ordinary commercial methods.
Licenses. Contracts. Terms and Conditions. This still works even when people can read the code. Note that some of your Python-based components may require...
Why use a ReentrantLock if one can use synchronized(this)?
...lso has support for configurable fairness policy, allowing more flexible thread scheduling.
The constructor for this class accepts an optional fairness parameter. When set true, under contention, locks favor granting access to the longest-waiting thread. Otherwise this lock does not guarantee any p...
std::string length() and size() member functions
I was reading the answers for this question and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is ...
AngularJS directive with default options
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You can use compile function - read attributes if they are not set - fill them with default values.
.directive('pagination', ['$parse', 'paginationConfig', function($parse, config) {
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controller: 'PaginationController',
compile: function(el...
How to parse XML to R data frame
...akes it easier to ensure everything is lined up:
library(xml2)
data <- read_xml("http://forecast.weather.gov/MapClick.php?lat=29.803&lon=-82.411&FcstType=digitalDWML")
# Point locations
point <- data %>% xml_find_all("//point")
point %>% xml_attr("latitude") %>% as.numeric()...
How to download/checkout a project from Google Code in Windows?
...ng this project "svn checkout myproject.googlecode.com/svn/trunk myproject-read-only" you would ONLY use "myproject.googlecode.com/svn/trunk" as the URL, after the space is just a title and I feel this might be helpful for someone who comes into the same confusion
– zfb
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difference between variables inside and outside of __init__()
... varnamevariable set outside the init does belong to the class, and may be read via self.varname producing the same value for all instances. However, when assigned a value via an instance reference (as in self.varname = X) a new self.varname will be created for that instance only, obscuring the cla...
How to change highlighted occurrences color in Eclipse's sidebar?
...e color of "Occurrences" is used for instances where the variable is being read, but not modified, in the code (e.g. k in if(k > 1)).
The color of "Write Occurrences" is used where the variable gets modified/written to in the code (e.g. k in k = k + 1).
See also the official Eclipse documentat...
How to generate a random alpha-numeric string?
...me fairly simple and very flexible code for generating random identifiers. Read the information that follows for important application notes.
public class RandomString {
/**
* Generate a random string.
*/
public String nextString() {
for (int idx = 0; idx < buf.length;...