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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...usted programs both interactively and in automatic mode. It has a ptrace()-based backend which allows its use on a Linux system without special privileges, as well as a far faster and more poweful backend which requires patching the kernel.
It is also possible to create a sandbox on Unix-like syste...
How to get a time zone from a location using latitude and longitude coordinates?
...nt libraries for just about everything
Self-hosted web services
geo2tz - based on Timezone lookup, available via Docker image
Other Ideas
Find the nearest city with an R-Tree
Find the nearest city with MySQL
Please update this list if you know of any others
Also, note that the nearest-city appr...
How to get the currently logged in user's user id in Django?
...checks for expired sessions and then figures out which user they belong to based on the decoded _auth_user_id attribute:
def ajax_find_logged_in_users(request, client_url):
"""
Figure out which users are authenticated in the system or not.
Is a logical way to check if a user has an expi...
Reading Properties file in Java
...
Based on your exception, the InputStream is null, this means the class loader is not finding your properties file. I'm guessing that myProp.properties is in the root of your project, if that's the case, you need a preceding s...
Consequences of using graft in Mercurial
...ges. It will start with this merge:
M = three_way_merge(local=D, other=F, base=E)
If we write +d for the delta between the states C and D, then we start with:
+d +e +f
---- C ---- D ---- E ---- F ----
Turn the graph 90 degrees clockwise and the above three-way merge looks like ...
Search code inside a Github project
...
Update January 2013: a brand new search has arrived!, based on elasticsearch.org:
A search for stat within the ruby repo will be expressed as stat repo:ruby/ruby, and will now just workTM.
(the repo name is not case sensitive: test repo:wordpress/wordpress returns the same as t...
RESTful URL design for search
...
The RESTful pretty URL design is about displaying a resource based on a structure (directory-like structure, date: articles/2005/5/13, object and it's attributes,..), the slash / indicates hierarchical structure, use the -id instead.
Hierarchical structure
I would personaly prefer:
...
best way to add license section to iOS settings bundle
...
plist = {'PreferenceSpecifiers': [], 'StringsTable': 'Acknowledgements'}
base_group = {'Type': 'PSGroupSpecifier', 'FooterText': '', 'Title': ''}
for filename in os.listdir("."):
if filename.endswith(".license"):
current_file = open(filename, 'r')
group = deepcopy(base_group)
...
Find running median from a stream of integers
...ails of the a specific solution (max heap/min heap solution), and how heap based solution works is explained below:
For the first two elements add smaller one to the maxHeap on the left, and bigger one to the minHeap on the right. Then process stream data one by one,
Step 1: Add next item to one ...
Single Sign On across multiple domains [closed]
...the script client_login.php
All the domains have a shared user session database.
When the client domain requires the user to be logged in, it redirects to the master domain (login.mydomain.com/master_login.php). If the user has not signed in to the master it requests authentication from the user (ie...