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Convert to/from DateTime and Time in Ruby

... You'll need two slightly different conversions. To convert from Time to DateTime you can amend the Time class as follows: require 'date' class Time def to_datetime # Convert seconds + microseconds into a fractional number of seconds seconds = sec + Rational(usec, 10**6)...
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How to get pixel data from a UIImage (Cocoa Touch) or CGImage (Core Graphics)?

I have a UIImage (Cocoa Touch). From that, I'm happy to get a CGImage or anything else you'd like that's available. I'd like to write this function: ...
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What does it mean to inflate a view from an xml file?

...o android development and keep coming across references to Inflating views from a layout xml file. I googled and searched the development guide but still wasn't able to pick up a sense for what it means. If someone could provide a very simple example, it'd be much appreciated. ...
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How do you remove duplicates from a list whilst preserving order?

Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this: ...
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Mail multipart/alternative vs multipart/mixed

.../")+1); return fileName; } } And an example of using it with from Gmail /** * Created by StrongMan on 25/05/14. */ import com.sun.mail.smtp.SMTPTransport; import java.net.URL; import java.security.Security; import java.util.*; import java.util.regex.Matcher; import java.util.regex....
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Remove an Existing File from a Git Repo

... Just to give the full answer all at once: from klemens: You need to add the file to your .gitignore file somewhere above the undesired file in the repo. i.e. $ cd $ cat >> .gitignore development.log C-d from m. narebski: You then need to remove the file from ...
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How to find all the subclasses of a class given its name?

I need a working approach of getting all classes that are inherited from a base class in Python. 10 Answers ...
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What is the difference between 'protected' and 'protected internal'?

...ess modifier is a union of both the "protected" and "internal" modifiers. From MSDN, Access Modifiers (C# Programming Guide): protected: The type or member can be accessed only by code in the same class or struct, or in a class that is derived from that class. internal: The type or mem...
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Remove padding from columns in Bootstrap 3

... This is plain CSS apart from the nesting (which is also in SASS), so it should work the same. – martinedwards Jul 15 '14 at 8:28 ...
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SQLAlchemy default DateTime

... key should be an input to the Column function. Try this: import datetime from sqlalchemy import Column, Integer, DateTime from sqlalchemy.ext.declarative import declarative_base Base = declarative_base() class Test(Base): __tablename__ = 'test' id = Column(Integer, primary_key=True) ...