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Write to UTF-8 file in Python
I'm really confused with the codecs.open function . When I do:
4 Answers
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How to properly seed random number generator
I am trying to generate a random string in Go and here is the code I have written so far:
9 Answers
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stringstream, string, and char* conversion confusion
My question can be boiled down to, where does the string returned from stringstream.str().c_str() live in memory, and why can't it be assigned to a const char* ?
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Rails: where does the infamous “current_user” come from?
I've been looking around recently into Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)...
How to interpret API documentation function parameters?
Is there a standard to interpret the syntax of function interfaces in API documentations and if yes, how is it defined?
4 A...
How to find and return a duplicate value in array
arr is array of strings:
20 Answers
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Is it possible for intellij to organize imports the same way as in Eclipse?
I'm working on a project where all the team members are using Eclipse and I'm the only IDEA user. This creates a lot of noise from imports rearrangements. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow t...
SQL UPDATE all values in a field with appended string CONCAT not working
Here is what I want to do:
7 Answers
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Negation in Python
I'm trying to create a directory if the path doesn't exist, but the ! (not) operator doesn't work. I'm not sure how to negate in Python... What's the correct way to do this?
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Rails auto-assigning id that already exists
I create a new record like so:
5 Answers
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