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Difference between len() and .__len__()?
Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ?
4 Answers
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Difference between Dictionary and Hashtable [duplicate]
...yping (and compile-time verification)
use without boxing
If you are .NET 2.0 or above, you should prefer Dictionary<TKey,TValue> (and the other generic collections)
A subtle but important difference is that Hashtable supports multiple reader threads with a single writer thread, while Dictio...
How do I add files and folders into GitHub repos?
...un git commit -m 'Added README'
$ git commit -m 'Added README'
[master 6402a2e] Added README
0 files changed, 0 insertions(+), 0 deletions(-)
create mode 100644 README
Finally, git push -u origin master to push the remote branch master for the repository origin.
$ git push -u origin master
C...
Delegates: Predicate vs. Action vs. Func
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answered Feb 19 '09 at 21:22
Jon SkeetJon Skeet
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Split string with dot as delimiter
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edited Jun 30 at 19:42
iota
22.9k66 gold badges2424 silver badges4545 bronze badges
answered Aug 2 ...
SQL Server SELECT into existing table
...st - otherwise, you have to use:
INSERT INTO dbo.TABLETWO
SELECT col1, col2
FROM dbo.TABLEONE
WHERE col3 LIKE @search_key
This assumes there's only two columns in dbo.TABLETWO - you need to specify the columns otherwise:
INSERT INTO dbo.TABLETWO
(col1, col2)
SELECT col1, col2
FROM dbo.TAB...
How to loop backwards in python? [duplicate]
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302
range() and xrange() take a third parameter that specifies a step. So you can do the following.
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SQL exclude a column using SELECT * [except columnA] FROM tableA?
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“Ago” date/time functions in Ruby/Rails
...f there's a way in Rails to calculate time stamp like - half a minute ago, 2 minute ago, 1 day ago etc. Something like twitter real time date stamp.
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