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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...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?
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Saving an Object (Data persistence)
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You could use the pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data....
Map enum in JPA with fixed values?
...m using JPA. I especially want to set the integer value of each enum entry and to save only the integer value.
9 Answers
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How to prevent XSS with HTML/PHP?
How do I prevent XSS (cross-site scripting) using just HTML and PHP?
9 Answers
9
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Overloading Macro on Number of Arguments
I have two macros FOO2 and FOO3 :
8 Answers
8
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Regex for password must contain at least eight characters, at least one number and both lower and up
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Minimum eight characters, at least one letter and one number:
"^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$"
Minimum eight characters, at least one letter, one number and one special character:
"^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$"
Mini...
How can I exclude all “permission denied” messages from “find”?
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Note:
* This answer probably goes deeper than the use case warrants, and find 2>/dev/null may be good enough in many situations. It may still be of interest for a cross-platform perspective and for its discussion of some advanced shell techniques in the interest of finding a solution that i...
What's the difference between and , and ?
What's the difference between <b> and <strong> , <i> and <em> in HTML/XHTML? When should you use each?
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...o do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation.
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Filter Java Stream to 1 and only 1 element
...lements in a LinkedList . I want to guarantee, however, that there is one and only one match to the filter criteria.
20 An...