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How do I convert an integer to binary in JavaScript?
I’d like to see integers, positive or negative, in binary.
13 Answers
13
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Permanently adding a file path to sys.path in Python
...us other files, so I decided to add example_file.py to sys.path and import this file in another file to use the file. To do so, I ran the following in IPython.
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
I wrote application for linux which uses Qt5.
17 Answers
17
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Is Java “pass-by-reference” or “pass-by-value”?
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Java is always pass-by-value.
Unfortunately, we never handle an object at all, instead juggling object-handles called references (which are passed by value of course). The chosen terminology and semantics easily confuse many beginners.
It goes like this:
pu...
How do you diff a directory for only files of a specific type?
I have a question about the diff command
if I want a recursive directory diff but only for a specific file type, how to do that?
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TypeScript sorting an array
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The error is completely correct.
As it's trying to tell you, .sort() takes a function that returns number, not boolean.
You need to return negative if the first item is smaller; positive if it it's larger, or zero if they're equal...
How do I sort an array of hashes by a value in the hash?
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Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["v...
swift case falling through
...default:
result = 3
}
Alternatively, you can use the fallthrough keyword:
var testVal = "hello"
var result = 0
switch testVal {
case "one":
fallthrough
case "two":
result = 1
default:
result = 3
}
share
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Can I get git to tell me all the files one user has modified?
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This isn't the only way, but it works:
git log --pretty="%H" --author="authorname" |
while read commit_hash
do
git show --oneline --name-only $commit_hash | tail -n+2
done | sort | uniq
Or, as one line:
git log --pretty="%H" --author=...
First-time database design: am I overengineering? [closed]
I'm a first year CS student and I work part time for my dad's small business. I don't have any experience in real world application development. I have written scripts in Python, some coursework in C, but nothing like this.
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