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How to take column-slices of dataframe in pandas
... about .iloc excep it specifically refers to index based slicing. In other words in this example, he used label based indexing and .loc is the correct choice (basically the only choice). If you want to slice by position -rows 5:10 for instance, then use .iloc
– user2103050
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Convert RGBA PNG to RGB with PIL
... also has some semi-transparent pixels used to smooth the edges around the words and icon. Saving to jpeg ignores the semi-transparency, making the resultant jpeg look quite jagged.
A better quality result could be made using imagemagick's convert command:
convert logo.png -background white -flatt...
Is there a concurrent List in Java's JDK?
...name has always bothered me, because the actual syntax doesn't include the word "each", but I'll update the answer to use the official name. :)
– Matt Passell
Sep 3 '14 at 13:05
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What is a 'thunk'?
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The word thunk has at least three related meanings in computer science. A "thunk" may be:
a piece of code to perform a delayed
computation (similar to a closure)
a feature of some virtual function
table implementations (similar...
Given two directory trees, how can I find out which files differ by content?
... It needs to be --brief. -brief is interpreted as -b -r -i -e -f, in other words as a set of flags not as a single option.
– daboross
Oct 25 '18 at 4:27
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Does the default constructor initialize built-in types?
...work with larger chunks of memory (e.g. 4MB at a time) so all the tiny one-word-here-three-bytes-there-allocations and deallocations are handled in uyserspace, and thus not zeroed out.
PS. I wrote "tend to", i.e. you can't even rely on success the first time...
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How can I tell if one commit is a descendant of another commit?
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In other words: git merge-base THING --is-ancestor OF_THING && echo yes || echo no e.g.: git merge-base my-feature-branch --is-ancestor master && echo yes || echo no
– user1735594
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invalid_grant trying to get oAuth token from google
...nal time when you do get a refresh_token and it does work. Pretty sure the words I have for google at the moment can't be said on SO.
– Justin
Apr 26 '15 at 7:01
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Can I add color to bootstrap icons only using CSS?
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When you mouse-over text (like in a word processor) your cursor looks like an oversized capital "I" character, it's used for selecting text. In CSS it's referred to as cursor: text;. It's also known as "I-beam".
– Dai
Sep ...
How do I get whole and fractional parts from double in JSP/Java?
...ificand by (sometimes) prepending a 1 bit. But according to Wikipedia, the word mantissa is now deprecated in favor of "fraction".
– Rasmus Faber
Dec 5 '08 at 13:32
add a comm...