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Class with single method — best approach?
...orm a single function. After performing the function, it can be destroyed. Is there any reason to prefer one of these approaches?
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
I was wondering if there exists a way to run an untrusted C program under a sandbox in Linux. Something that would prevent the program from opening files, or network connections, or forking, exec, etc?
...
Step-by-step debugging with IPython
...ile you don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just load a file with %load and then run a function. You could force an error with an assert at the right position.
%pdb is a line magic. Call it as %pdb on, %pdb 1, %...
What's the most appropriate HTTP status code for an “item not found” error page
...rious what's the most appropriate HTTP status code for an "item does not exist" page.
5 Answers
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Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...e deleted):
I guess I have not presented the question properly.
Situation is this: I want to load data into a global variable based on the value of a control. I don't want to change the value of a control from the child thread. I'm not going to do it ever from a child thread.
So only accessing the ...
How to reverse a string in Go?
...
In Go1 rune is a builtin type.
func Reverse(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
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How to import the class within the same directory or sub directory?
...y as the files. That will signify to Python that it's "ok to import from this directory".
Then just do...
from user import User
from dir import Dir
The same holds true if the files are in a subdirectory - put an __init__.py in the subdirectory as well, and then use regular import statements, wit...
How to pass multiple parameters in a querystring
...
Query_string
(Following is the text of the linked section of the Wikipedia entry.)
Structure
A typical URL containing a query string is as follows:
http://server/path/program?query_string
When a server receives a request for such a page, it runs a p...
jQuery OR Selector?
I am wondering if there is a way to have "OR" logic in jQuery selectors. For example, I know an element is either a descendant of an element with class classA or classB, and I want to do something like elem.parents('.classA or .classB') . Does jQuery provide such functionality?
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How do I define global variables in CoffeeScript?
...operties of the global object.
attach them as properties on window
This means you need to do something like window.foo = 'baz';, which handles the browser case, since there the global object is the window.
Node.js
In Node.js there's no window object, instead there's the exports object that g...