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How to install a gem or update RubyGems if it fails with a permissions error
... have permission to write there.
That is the version of Ruby installed by Apple, for their own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
In...
Catching multiple exception types in one catch block
...net/rfc/multiple-catch
Commit: https://github.com/php/php-src/commit/0aed2cc2a440e7be17552cc669d71fdd24d1204a
For PHP before 7.1:
Despite what these other answers say, you can catch AError and BError in the same block (it is somewhat easier if you are the one defining the exceptions). Even give...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...ommit fa26d5e, commit cf02be8, commit 38ee26b, commit 37ab8eb, commit 0370b35, commit 0253e12, commit 45e2ef2, commit 79b0edc, commit 840624f, commit 32a6707, commit 440bf91, commit 0b408ca, commit 2eabd38 (28 Oct 2019), and commit 1bcef51, commit ecde49b (05 Oct 2019) by brian m. carlson (bk2204).
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
...set1_pd(0.37796447300922722721));
r6 = _mm_mul_pd(r1,_mm_set1_pd(0.24253562503633297352));
r7 = _mm_mul_pd(r1,_mm_set1_pd(4.1231056256176605498));
r8 = _mm_add_pd(r0,_mm_set1_pd(0.37796447300922722721));
r9 = _mm_add_pd(r1,_mm_set1_pd(0.24253562503633297352));
rA = _mm_sub_pd(r0,...
Why does HTML think “chucknorris” is a color?
...
@Theraot bgcolor="success" is a nice green, too. Interestingly, one can override these colours using CSS attribute/value selectors (e.g., td[bgcolor="chucknorris"] {...}).
– daiscog
Mar 1 '16 at 12:39
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Tool for adding license headers to source files? [closed]
...
#!/bin/bash
for i in *.cc # or whatever other pattern...
do
if ! grep -q Copyright $i
then
cat copyright.txt $i >$i.new && mv $i.new $i
fi
done
share
...
How can I change the image of an ImageView? [duplicate]
...
rotterickrotterick
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How to simplify a null-safe compareTo() implementation?
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bluish
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answered Apr 5 '12 at 9:29
DagDag
8,...
When is the init() function run?
...unctions, but when running router.go's function ran first (which caused my app to panic).
If you're in a situation where you have multiple files, each with its own init() function be very aware that you aren't guaranteed to get one before the other. It is better to use a variable assignment as OneT...
CSS hexadecimal RGBA?
... represent a fully opaque color.
Example 3In other words, #0000ffcc represents the same color as rgba(0, 0, 100%, 80%) (a slightly-transparent blue).
4 digits
This is a shorter variant of the 8-digit notation, "expanded" in the same way as the 3-digit notation is. The first di...