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Immutable vs Unmodifiable collection
...ther code may still have access to. So while you can't make any changes to it if you only have a reference to the unmodifiable collection, you can't rely on the contents not changing.
An immutable collection guarantees that nothing can change the collection any more. If it wraps a modifiable collec...
What are the differences between the threading and multiprocessing modules?
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What Giulio Franco says is true for multithreading vs. multiprocessing in general.
However, Python* has an added issue: There's a Global Interpreter Lock that prevents two threads in the same process from running Python code at the same time. This means that if yo...
DynamoDB vs MongoDB NoSQL [closed]
I'm trying to figure it out what can I use for a future project, we plan to store from about 500k records per month in the first year and maybe more for the next years this is a vertical application so there's no need to use a database for this, that's the reason why I decided to choose a noSQL data...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
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It depends on the problem.
Adjacency Matrix
Uses O(n^2) memory
It is fast to lookup and check for presence or absence of a specific edge
between any two nodes O(1)
It is slow to iterate over all edges
It is slow to add/...
Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
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How do I run a simple bit of code in a new thread?
I have a bit of code that I need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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When do we have to use copy constructors?
...iler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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GitHub pages are not updating
I'm running into a weird issue with GitHub pages. I pushed a new commit to my personal pages page maltzj.github.io , but the new article isn't showing up there. When I execute the server locally, a post lives at localhost:4000/posts/the-price-of-inconsistent-code/ . However, when I go to http://m...
Can I store images in MySQL [duplicate]
I'm trying to develop a website where users upload their images as part of registration. I want it that for each image, there should be a thumb created with PHP (which is not that difficult). I want to save the thumbs (since they are very small) in the database and I use MySQL. (I don't want to save...
Tomcat VS Jetty [closed]
...vers in respect to a production environment. Did anyone have big problems with one of the features? Performance, etc. I also quickly took a look at the new Glassfish, does it match up the simple servlet containers (it seems to have a good management interface at least)?
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