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Determining Whether a Directory is Writeable
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Although what Christophe suggested is a more Pythonic solution, the os module does have the os.access function to check access:
os.access('/path/to/folder', os.W_OK) # W_OK is for writing, R_OK for reading, etc.
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Java Generate Random Number Between Two Given Values [duplicate]
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You could use e.g. r.nextInt(101)
For a more generic "in between two numbers" use:
Random r = new Random();
int low = 10;
int high = 100;
int result = r.nextInt(high-low) + low;
This gives you a random number in between 10 (inclusive) and 100 (exclusive)
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
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How to copy commits from one branch to another?
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Couldn't agree more with this answer. +1. See also my old answer to illustrates the consequences of cherry-picking: stackoverflow.com/questions/881092/…
– VonC
Mar 19 '10 at 5:13
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Sphinx autodoc is not automatic enough
...). The _build directory is where the HTML files will be created. Check for more info: sphinx.pocoo.org/tutorial.html#running-the-build
– Etienne
Jan 6 '11 at 20:16
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.aspx vs .ashx MAIN difference
...that was called from code and returned with a response, but I would like a more technical answer please.
4 Answers
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What part of Hindley-Milner do you not understand?
... e₀ to e₁! Hopefully this isn't a surprise :).
The next rule has some more new syntax. Particularly, Γ, x : τ just means the context made up of Γ and the judgement x : τ. So, if we know that the variable x has a type of τ and the expression e has a type τ', we also know the type of a func...
Recommended SQL database design for tags or tagging [closed]
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84
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
... address like street, city, etc. does not require a separate entity and is more conveniently stored as a dictionary/array than separate attributes/fields). Thank you.
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Does name length impact performance in Redis?
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The example key you give is for a set, set lookup methods are O(1). The more complex operations on a set (SDIFF, SUNION, SINTER) are O(N). Chances are that populating $userId was a more expensive operation than using a longer key.
Redis comes with a benchmark utility called redis-benchmark, if ...