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Use cases for the 'setdefault' dict method
The addition of collections.defaultdict in Python 2.5 greatly reduced the need for dict 's setdefault method. This question is for our collective education:
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How to see the values of a table variable at debug time in T-SQL?
Can we see the values (rows and cells) in a table valued variable in SQL Server Management Studio (SSMS) during debug time? If yes, how?
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Convert bytes to a string
I'm using this code to get standard output from an external program:
19 Answers
19
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In-memory size of a Python structure
...mendation from an earlier question on this was to use sys.getsizeof(), quoting:
>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
14
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this')
38
>>> sys.getsizeof('this also')
48
You could take ...
How to securely store access token and secret in Android?
I am going to use oAuth to fetch mails and contacts from google. I don't want to ask the user each time to log in to obtain an access token and secret. From what I understood, I need to store them with my application either in a database or SharedPreferences . But I am a bit worried about security ...
Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
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Visual Studio Copy Project
I would like to make a copy of my project. I would rather not start doing it from scratch by adding files and references, etc. Please note that I don't mean copy for deployment. Just plain copy.
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Why are only final variables accessible in anonymous class?
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As noted in comments, some of this becomes irrelevant in Java 8, where final can be implicit. Only an effectively final variable can be used in an anonymous inner class or lambda expression though.
It's basically due to the way Jav...
What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...har and varchar aren't meant to store unicode, but with some additional coding tricks and extra logic, you can still misuse a [var]char field for unicode storage.
– Wim ten Brink
Nov 2 '09 at 10:41
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