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How can I tell if one commit is a descendant of another commit?
...fc3495c4047cf59a06b9
8a1658147a460a0230fb1990f0bc61130ab624b2
-85e54e240836e6efb46978e4a1780f0b45516b20
(Boundary commits are prefixed with -)
If the last commit displayed is the same than the first commit in the git rev-list command, then it is a commit reachable from the second commit.
If the ...
Running multiple commands with xargs
...1b 1464beb4
60055629 3f2356f3 3e9c4e3c 76e3f3af a9db4b32 bd33322b 975696fc e6b23cfb
$ bash install.sh
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What are the uses of “using” in C#?
... (http://www.amazon.com/5-0-Nutshell-The-Definitive-Reference-ebook/dp/B008E6I1K8), by Joseph and Ben Albahari. One example:
namespace HelloWorld
{
using AppFunc = Func<IDictionary<DateTime, string>, List<string>>;
public class Startup
{
public static AppFunc ...
How to link to specific line number on github
...omething like this:
https://github.com/git/git/blob/5bdb7a78adf2a2656a1915e6fa656aecb45c1fc3/README#L18-L20
That link contains the actual SHA hash for that particular commit, rather than the current version of the file on master. That means that this link will work forever and not point to lines ...
How often should you use git-gc?
... 2.7 (Q4 2015) will make sure to not lose the error message.
See commit 329e6e8 (19 Sep 2015) by Nguyễn Thái Ngọc Duy (pclouds).
(Merged by Junio C Hamano -- gitster -- in commit 076c827, 15 Oct 2015)
gc: save log from daemonized gc --auto and print it next time
While commit 9f673f9 ...
Simple way to calculate median with MySQL
...al FROM data ORDER BY val limit @middlevalue) x;
I tested this with a 5x10e6 dataset of random numbers and it will find the median in under 10 seconds.
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filter for complete cases in data.frame using dplyr (case-wise deletion)
...his maybe as part of filter.
library('rbenchmark')
library('dplyr')
n = 5e6
n.na = 100000
df = data.frame(
x1 = sample(1:10, n, replace=TRUE),
x2 = sample(1:10, n, replace=TRUE)
)
df$x1[sample(1:n, n.na)] = NA
df$x2[sample(1:n, n.na)] = NA
benchmark(
df %>% filter(complete.cases(x...
How do I find the duplicates in a list and create another list with them?
... community wiki
9 revs, 6 users 87%georg
2
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Specifying and saving a figure with exact size in pixels
...n example. Here's how to show an 800x800 pixel image in my monitor (my_dpi=96):
plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi)
So you basically just divide the dimensions in inches by your DPI.
If you want to save a figure of a specific size, then it is a different matter. Screen DPIs...
Regular expression to match a line that doesn't contain a word
...┬──┐
S = │e1│ A │e2│ B │e3│ h │e4│ e │e5│ d │e6│ e │e7│ C │e8│ D │e9│
└──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┴───┴──┘
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