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How do I pass an object from one activity to another on Android? [duplicate]
...thin my app, and it needs to be the same object. What is the best way to do this?
6 Answers
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How do I repeat an edit on multiple lines in Vim?
...i789ghi
if you hit Ctrl-v with your cursor over the 1, hit j twice to go down two columns, then Shift-i,ESC , your text would look like this:
abc,123abc
def,456def
ghi,789ghi
(the multi-line insert has a little lag, and won't render until AFTER you hit ESC).
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How do I get the current username in .NET using C#?
How do I get the current username in .NET using C#?
18 Answers
18
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How to join two generators in Python?
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I think itertools.chain() should do it.
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How do I execute a program from Python? os.system fails due to spaces in path
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It is much simpler to use raw string in windows: r"C:\Temp\a b c\Notepad.exe"
– PierreBdR
Oct 15 '08 at 9:11
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Create a “with” block on several context managers? [duplicate]
... and 3.1 and above, you can write:
with A() as X, B() as Y, C() as Z:
do_something()
This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods.
In Python 3.3, you can enter an unknown-length list of context mana...
Conventions for exceptions or error codes
...ption that can be thrown by every line in my function to know what it will do (Read The Exception That Grounded an Airline to get an idea of how tricky this is). It's tedious and hard to write code that reacts appropriately to every situation (including the unhappy ones), but that's because writing ...
What is polymorphism, what is it for, and how is it used?
... Shape class and all the classes that can inherit from it (square, circle, dodecahedron, irregular polygon, splat and so on).
With polymorphism, each of these classes will have different underlying data. A point shape needs only two co-ordinates (assuming it's in a two-dimensional space of course)....
How do I specify local .gem files in my Gemfile?
...h I install via gem install xx.gem . Can I tell Bundler to use them? Or do I have to specify the source path?
7 Answers
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INSERT INTO vs SELECT INTO
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They do different things. Use INSERT when the table exists. Use SELECT INTO when it does not.
Yes. INSERT with no table hints is normally logged. SELECT INTO is minimally logged assuming proper trace flags are set.
In my exp...