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Lazy Method for Reading Big File in Python?
I have a very big file 4GB and when I try to read it my computer hangs.
So I want to read it piece by piece and after processing each piece store the processed piece into another file and read next piece.
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How to add Active Directory user group as login in SQL Server
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In SQL Server Management Studio, go to Object Explorer > (your server) > Security > Logins and right-click New Login:
Then in the dialog box that pops up, pick the types of objects you want to see (Groups is disabled by default - check it!) and pick the...
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...
Regex exactly n OR m times
...nswered Dec 14 '12 at 8:10
Mark ByersMark Byers
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What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
8 Answers
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...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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Querying DynamoDB by date
I'm coming from a relational database background and trying to work with amazon's DynamoDB
7 Answers
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Update multiple rows in same query using PostgreSQL
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You can also use update ... from syntax and use a mapping table. If you want to update more than one column, it's much more generalizable:
update test as t set
column_a = c.column_a
from (values
('123', 1),
('345', 2)
) as c(column_b, column_a)
where c.column_b = t.col...
How do I disable a Pylint warning?
I'm trying to disable warning C0321 ("more than one statement on a single line" -- I often put if statements with short single-line results on the same line), in Pylint 0.21.1 (if it matters: astng 0.20.1, common 0.50.3, Python 2.6.6 (r266:84292, Sep 15 2010, 16:22:56)).
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How can I capitalize the first letter of each word in a string?
..."hello world".title()
u'Hello World'
However, look out for strings with embedded apostrophes, as noted in the docs.
The algorithm uses a simple language-independent definition of a word as groups of consecutive letters. The definition works in many contexts but it means that apostrophes in contrac...