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What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there are al...
Find all storage devices attached to a Linux machine [closed]
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
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Add a new element to an array without specifying the index in Bash
Is there a way to do something like PHPs $array[] = 'foo'; in bash vs doing:
5 Answers
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How to sort an array based on the length of each element?
...g function that considers the length of string as the sorting criteria can be used as follows:
arr.sort(function(a, b){
// ASC -> a.length - b.length
// DESC -> b.length - a.length
return b.length - a.length;
});
Note: sorting ["a", "b", "c"] by length of string is not guaranteed t...
Conditionally Remove Dataframe Rows with R [duplicate]
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Logic index:
d<-d[!(d$A=="B" & d$E==0),]
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`from … import` vs `import .` [duplicate]
I'm wondering if there's any difference between the code fragment
6 Answers
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How does Apple find dates, times and addresses in emails?
...OS email client, when an email contains a date, time or location, the text becomes a hyperlink and it is possible to create an appointment or look at a map simply by tapping the link. It not only works for emails in English, but in other languages also. I love this feature and would like to understa...
How to use OR condition in a JavaScript IF statement?
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Simply use the logical "OR" operator, that is ||.
if (A || B)
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GOTO still considered harmful? [closed]
...ered harmful (also here .html transcript and here .pdf) and there has been a formidable push since that time to eschew the goto statement whenever possible. While it's possible to use goto to produce unmaintainable, sprawling code, it nevertheless remains in modern programming languages . Even...
What does the (unary) * operator do in this Ruby code?
Given the Ruby code
3 Answers
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