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How to extract the decision rules from scikit-learn decision-tree?
...sing tree_.threshold == -2 to decide whether a node is a leaf isn't a good idea. What if it's a real decision node with a threshold of -2? Instead, you should look at tree.feature or tree.children_*.
The line features = [feature_names[i] for i in tree_.feature] crashes with my version of sklearn, be...
Why does python use 'else' after for and while loops?
...g the for-else or while-else blocks in production code.
See also [Python-ideas] Summary of for...else threads
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Remove all breakpoints in IntelliJ IDEA
...ve all breakpoints in the module (might be using a shortcut) in IntelliJ IDEA IDE? Thanks.
7 Answers
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Format / Suppress Scientific Notation from Python Pandas Aggregation Results
...nverting numbers to strings purely for aesthetic purposes seems like a bad idea, but if you have a good reason, this is one way:
In [6]: Series(np.random.randn(3)).apply(lambda x: '%.3f' % x)
Out[6]:
0 0.026
1 -0.482
2 -0.694
dtype: object
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Django: How to manage development and production settings?
...n/activate is one to do the latter (TBH, I no longer think this is a good idea anyway, so I took that out), but it's not the only one.
– Thomas Orozco
Feb 7 '19 at 10:44
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In Intellij IDEA how do I replace text with a new line?
...y I wanted to replace all commas with commas and a new line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
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Android Studio - Ambiguous method call getClass()
... based on the IntelliJ Platform and the existing functionality of IntelliJ IDEA Community Edition.
Google has developed it in cooperation with JetBrains. And same bug is reported to happen in IntelliJ as well.
Have a look at the Error report
The only workaround to this issue is to cast the instanc...
Git ignore file for Xcode projects
...in "xccheckout" line - thanks to @lyck for pointing it out!
# - Fixed the .idea optional ignore. Thanks to @hashier for pointing this out
# - Finally added "xccheckout" to the ignore. Apple still refuses to answer support requests about this, but in practice it seems you should ignore it.
# - minor ...
Test if a command outputs an empty string
...er of maximally 1 character using head -c1(thanks to netj for posting this idea in the comments below)
compare that number with zero
So for example, instead of:
if [[ $(ls -A) ]]
I would use:
if [[ $(ls -A | wc -c) -ne 0 ]]
# or:
if [[ $(ls -A | head -c1 | wc -c) -ne 0 ]]
Instead of:
if [ ...
Scala vs. Groovy vs. Clojure [closed]
... work we have a codebase of 11 milions lines of Scala, which is not a good idea but it works.
– Joan
Mar 8 '16 at 14:25
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