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How do I find the time difference between two datetime objects in python?
...nly holds the difference.
In the example above it is 0 minutes, 8 seconds and 562000 microseconds.
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How can I pad a value with leading zeros?
...o readers!
As commenters have pointed out, this solution is "clever", and as
clever solutions often are, it's memory intensive and relatively
slow. If performance is a concern for you, don't use this solution!
Potentially outdated: ECMAScript 2017 includes String.prototype.padStart and...
Why do people use __(double underscore) so much in C++
I was having a look through some open source C++ code and notice a lot of double under scores where used in the code, mainly at the start of variable names.
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Client to send SOAP request and receive response
...developed as a Windows service) that sends SOAP requests to a web service (and gets the results).
7 Answers
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CodeFile vs CodeBehind
What is the difference between CodeFile ="file.ascx.cs" and CodeBehind ="file.ascx.cs" in the declaration of a ASP.NET user control?
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How to read/write a boolean when implementing the Parcelable interface?
...t writing a myObjectList class which extends ArrayList<myObject> and implement Parcelable .
12 Answers
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How to find largest objects in a SQL Server database?
...est objects in a SQL Server database? First, by determining which tables (and related indices) are the largest and then determining which rows in a particular table are largest (we're storing binary data in BLOBs)?
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os.walk without digging into directories below
... Does this function actually "walk" through the whole structure and then delete the entries below a certain point? Or is something more clever going on? I'm not even sure how to check this with code. --python beginner
– mathtick
Aug 19 '10 at 18:05
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What is the difference between active and passive FTP?
Can someone tell me what is the difference between active and passive FTP?
Which one is preferable?
5 Answers
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Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...
