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Pandas every nth row
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Though @chrisb's accepted answer does answer the question, I would like to add to it the following.
A simple method I use to get the nth data or drop the nth row is the following:
df1 = df[df.index % 3 != 0] # Excludes every 3rd row starting from 0
df2 = ...
How to shrink/purge ibdata1 file in MySQL
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When you delete innodb tables, MySQL does not free the space inside the ibdata file, that's why it keeps growing. These files hardly ever shrink.
How to shrink an existing ibdata file:
https://dev.mysql.com/doc/refman/5.6/en/innodb-system-tablespace.html#innodb-...
How do I setup a SSL certificate for an express.js server?
...s for connect.createServer() and therefore so is express() (which probably does some extra initialization, but the result is still a function appropriate for use as a request handler).
– ebohlman
Aug 6 '12 at 1:08
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Programmatically Determine a Duration of a Locked Workstation?
... good option if you find that the SessionSwitch event (from other answers) doesn't fire (e.g. your application suppresses it).
– kad81
Dec 16 '15 at 3:36
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Difference between events and delegates and its respective applications [closed]
... eh = Delegate.Remove(eh, value) as EventHandler;
}
}
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}
...does exactly the same as this:
class myExample
{
public event EventHandler OnSubmit;
}
The add and remove methods are more conspicuous in the rather stilted syntax that VB.NET uses (no operator overloads).
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UTF-8, UTF-16, and UTF-32
...ichq You can't do character-by-character handling in UTF-32, as code point does not always correspond to a character.
– hamstergene
Nov 13 '12 at 17:27
4
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Copying text to the clipboard using Java
...hich context did you test this? From a GUI application? On which platform? Does it work setting the clipboard 100 times in a row (with some appropriate pause between each set)?
– Peter Mortensen
Feb 9 '18 at 22:28
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How do I match any character across multiple lines in a regular expression?
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@Allen - JavaScript doesn't support the s modifier. Instead, do [^]* for the same effect.
– Derek 朕會功夫
Jul 12 '15 at 22:26
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ACE vs Boost vs POCO [closed]
..., ACE_Connector. ACE was a key factor to the success of our project. It does take a significant effort to understand how to use the ACE classes. I have all the books written about ACE. Whenever I have had to extend the functionality our system it typically takes some time to study what to do an...
Best practice for instantiating a new Android Fragment
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Interesting, I have not seen this approach before. Does it have any advantages over other approaches to instantiating a Fragment?
– IgorGanapolsky
Nov 12 '13 at 16:45
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