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How to convert a unix timestamp (seconds since epoch) to Ruby DateTime?
How do you convert a Unix timestamp (seconds since epoch) to Ruby DateTime?
6 Answers
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How do I Geocode 20 addresses without receiving an OVER_QUERY_LIMIT response?
...oogle Geocoder v3, if I try to geocode 20 addresses, I get an OVER_QUERY_LIMIT unless I time them to be ~1 second apart, but then it takes 20 seconds before my markers are all placed.
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How to import existing Git repository into another?
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Probably the simplest way would be to pull the XXX stuff into a branch in YYY and then merge it into master:
In YYY:
git remote add other /path/to/XXX
git fetch other
git checkout -b ZZZ other/master
mkdir ZZZ
git mv stuff ZZZ/stuff ...
How does this checkbox recaptcha work and how can I use it?
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This is a beta API for reCAPTCHA. I gather this from the source of their JS API: https://www.google.com/recaptcha/api.js referencing "API2". And I also found this: http://jaswsinc.com/recaptcha-ads/ Apparently they did an invite-only beta of their "no CAPTCHA reCAPTCHA" So......
How do you create a random string that's suitable for a session ID in PostgreSQL?
I'd like to make a random string for use in session verification using PostgreSQL. I know I can get a random number with SELECT random() , so I tried SELECT md5(random()) , but that doesn't work. How can I do this?
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
This is what I found during my learning period:
10 Answers
10
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best way to preserve numpy arrays on disk
I am looking for a fast way to preserve large numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately.
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Calculate difference in keys contained in two Python dictionaries
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Here is a class to find all the possibilities: what was added, what was removed, which key-value pairs are the same, and which key-value pairs are changed.
class DictDiffer(object):
"""
Calculate the difference between two dictionaries as:
(1) items added
(2) items removed
(3) ...
Python function global variables?
...les in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.)
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C# Interfaces. Implicit implementation versus Explicit implementation
What are the differences in implementing interfaces implicitly and explicitly in C#?
12 Answers
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