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Distributed sequence number generation?
...bers and unique IDs that are (optionally) loosely sortable by a specific criteria (typically generation time). True sequence numbers imply knowledge of what all other workers have done, and as such require shared state. There is no easy way of doing this in a distributed, high-scale manner. You coul...
Are 2^n and n*2^n in the same time complexity?
Resources I've found on time complexity are unclear about when it is okay to ignore terms in a time complexity equation, specifically with non-polynomial examples.
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Convenient C++ struct initialisation
I'm trying to find a convenient way to initialise 'pod' C++ structs. Now, consider the following struct:
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When would you use the Builder Pattern? [closed]
...e common , real world examples of using the Builder Pattern? What does it buy you? Why not just use a Factory Pattern?
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How to move out of auto-completed brackets in IntelliJ IDEA (without using the arrow keys)?
I recently switched from Eclipse to IntelliJ IDEA, and found myself wondering how to move the cursor out of a pair of auto-completed brackets.
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What is the difference between NTFS Junction Points and Symbolic Links?
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Symbolic links have more functionality, while junctions almost seem to be a legacy feature because of their limitations, but the security implications of these limitations are specifically why a junction might be preferred over a symbolic link. Remote targetin...
How do I set a Windows scheduled task to run in the background? [closed]
... permissions to the process, and also seems to hide the command window.
It's not an obvious solution, but to make a Scheduled Task run in the background, change the User running the task to "SYSTEM", and nothing will appear on your screen.
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Locking a file in Python
I need to lock a file for writing in Python. It will be accessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
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When to wrap quotes around a shell variable?
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General rule: quote it if it can either be empty or contain spaces (or any whitespace really) or special characters (wildcards). Not quoting strings with spaces often leads to the shell breaking apart a single argument into many.
$? doesn't nee...
Chai: how to test for undefined with 'should' syntax
Building on this tutorial testing an angularjs app with chai, I want to add a test for an undefined value using the "should" style. This fails:
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