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Accessing class variables from a list comprehension in the class definition
...ing a newly created local namespace and the original global namespace. (Usually, the suite contains only function definitions.) When the class’s suite finishes execution, its execution frame is discarded but its local namespace is saved. [4] A class object is then created using the inheritance lis...
Explaining Apache ZooKeeper
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How it works
You may describe ZooKeeper as a replicated synchronization service with eventual consistency. It is robust, since the persisted data is distributed between multiple nodes (this set of nodes is called an "ensemble") and one client connects to any of them (i.e., a specific "server"), m...
Erlang's 99.9999999% (nine nines) reliability
...r over 20 years. It represents the total time over those 20 years that the service provided by the AXD301 system was ever offline. Subtle difference. As Joe Armstrong says here:
The AXD301 has achieved a NINE nines reliability (yes, you read that right, 99.9999999%). Let’s put this in context: 5 ...
How to modify a global variable within a function in bash?
...alise that if you just run the function without assigning it to a variable all the global variables within it will update. Instead of returning a string array, why not just update the string array in the function then assign it to another variable after the function has finished ?
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How to remove an element from a list by index
...org/projects/python/trunk/Objects/listobject.c how PyList_GetItem() essentially returns ((PyListObject *)op) -> ob_item[i]; - the ith element of an array.
– glglgl
Sep 9 '13 at 7:53
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What do I use for a max-heap implementation in Python?
... amazed that there IS such a built-in solution in heapq. But then it is totally unreasonable that it is NOT even slightly mentioned at all in the official document! WTF!
– RayLuo
Apr 21 '15 at 6:48
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Is there a use-case for singletons with database access in PHP?
...re, no support nothing).
- People who need to work with third-party APIs, services and websites.
If you look closer, this is not too different than the earlier case - third-party APIs, services, websites, are just like external, isolated codebases over which you have NO control. Anything can happ...
AngularJS $http, CORS and http authentication
...: You want to send POST request to a different domain with AngularJS $http service. There are several tricky things to be aware of when getting AngularJS and the server setup.
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How to make all Objects in AWS S3 bucket public by default?
...s Denied to all my files. The solution was straightforward simple.
Go to Services - S3
Click on your S3 bucket
Switch to Permissions tab, then go to Bucket Policy tab
And click the Save button.
It should reassign permission on all your files.
Anyway, here is full bucket policy that allows mak...
What difference between Jersey vs jax-rs
...olkit with
additional features and utilities to further simplify RESTful service
and client development. Jersey also exposes numerous extension SPIs so
that developers may extend Jersey to best suit their needs.
share...