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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.
7...
`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...
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...
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...
How to get datetime in JavaScript?
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Semantically, you're probably looking for the one-liner
new Date().toLocaleString()
which formats the date in the locale of the user.
If you're really looking for a specific way to format dates, I recommend the moment.js library.
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std::function and std::bind: what are they, and when should they be used?
I know what functors are and when to use them with std algorithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
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What does the (unary) * operator do in this Ruby code?
Given the Ruby code
3 Answers
3
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How to replace a character by a newline in Vim
I'm trying to replace each , in the current file by a new line:
11 Answers
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