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C dynamically growing array
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It's a performance tradeoff. If you double each time, then you sometimes have a 100% overhead and on average 50%. 3/2 gives you 50% worst and 25% typical. It's also close to the effective base of the Fibionacci sequence in the limit (p...
How do I run a simple bit of code in a new thread?
... need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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How to connect an existing SQL Server login to an existing SQL Server database user of same name
... the accepted answer that is also 8 years old which already contains the information that its deprecated?
– Gratzy
Feb 6 '18 at 16:45
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Elegant way to check for missing packages and install them?
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Agree with Thomas, this would be better performance with require instead of checking installed.packages
– Matthew
Jun 20 '17 at 18:55
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How to use a dot “.” to access members of dictionary?
...uctor
This means that if something you want to access is already in dict form, you can turn it into a DotMap for easy access:
import json
jsonDict = json.loads(text)
data = DotMap(jsonDict)
print data.location.city
Finally, it automatically creates new child DotMap instances so you can do thing...
Splitting on first occurrence
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Note: if more splits can be performed after reaching the maxsplit count, the last element in the list will contain the remainder of the string (inclusive of any sep chars/strings).
– BuvinJ
Sep 10 '19 at 13:01
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Storing time-series data, relational or non?
... ultimate goal is to provide visualisations to a user of the system in the form of time-series graphs.
10 Answers
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What is a “callable”?
... @Kay: I also like the @Florian Bösch's answer (in its current form). btw, a decorator is not a typical usage of a "callable". The most typical "callables" are functions/methods such as def f(): ..., and class objects such as class C: ... i.e., f, ''.strip, len, and C all are callable. I...
Why does Java's hashCode() in String use 31 as a multiplier?
...e it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 is equivalent to shifting. The advantage of using a prime is less clear, but it is traditional. A nice property of 31 is that the multiplication can be replaced by a shift and a...
Using Font Awesome icon for bullet points, with a single list item element
...ation</li>
<li><i class="icon-ok"></i> Prepended form inputs</li>
</ul>
If you can't find it working after trying this code then you're not including the library correctly. According to their website, you should include the libraries as such:
<link rel="s...