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Recover from git reset --hard?
Is there any way to recover uncommitted changes to the working directory from a git reset --hard HEAD ?
22 Answers
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How to clear the canvas for redrawing
...ime. I did redraw grid lines on every step, but without clearing the lines from the previous step.
– Georg Patscheider
Dec 5 '16 at 12:20
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What is the difference between JavaConverters and JavaConversions in Scala?
...a.collection.mutable.Map[String, String]
To use the conversions directly from Java, though, you're better off calling methods from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c"));
System.out.println(javaList); // [a, b, c]
Bu...
How to convert a Drawable to a Bitmap?
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where does str_url come from? I couldn't find any Drawable function related to strings... thanks for your help.
– Rob
Jun 14 '10 at 9:08
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Way to go from recursion to iteration
I've used recursion quite a lot on my many years of programming to solve simple problems, but I'm fully aware that sometimes you need iteration due to memory/speed problems.
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Multi-line commands in GHCi
...s. I also noticed that in other let/where blocks. This is a big difference from other languages where whitespace is ignored, so I had some difficulty in grasping that.
– R71
Dec 10 '11 at 11:53
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How do you get the magnitude of a vector in Numpy?
...nner1d. Here's how it compares to other numpy methods:
import numpy as np
from numpy.core.umath_tests import inner1d
V = np.random.random_sample((10**6,3,)) # 1 million vectors
A = np.sqrt(np.einsum('...i,...i', V, V))
B = np.linalg.norm(V,axis=1)
C = np.sqrt((V ** 2).sum(-1))
D = np.sqrt((V*V)...
Check if page gets reloaded or refreshed in JavaScript
...anks buddy this is accurate solution to detect either the page is reloaded from right click/refresh from the browser or reloaded by the url.
– Roque Mejos
Aug 8 '16 at 8:01
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What's the fastest way to convert String to Number in JavaScript?
...ound that some browsers would optimize the next test based on similar code from the previous test. Unlike the top answerer, I found that implicit was the worst method.
– Pluto
Sep 23 '14 at 23:37
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find filenames NOT ending in specific extensions on Unix?
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Linux/OS X:
Starting from the current directory, recursively find all files ending in .dll or .exe
find . -type f | grep -P "\.dll$|\.exe$"
Starting from the current directory, recursively find all files that DON'T end in .dll or .exe
find . ...