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how to find host name from IP with out login to the host
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11 Answers
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How to add a spinner icon to button when it's in the Loading state?
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101
If you look at the bootstrap-button.js source, you'll see that the bootstrap plugin replaces t...
Best way to make Java's modulus behave like it should with negative numbers?
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144
It behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
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126
Short of closing and reopening your tty (i.e. logging off and back on, which may also terminat...
Relative frequencies / proportions with dplyr
...se(n = n()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That mak...
OAuth: how to test with local URLs?
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139
Update October 2016: Easiest now: use lvh.me which always points to 127.0.0.1.
Previous Answer...
Change the Right Margin of a View Programmatically?
...= (LinearLayout.LayoutParams)tv.getLayoutParams();
params.setMargins(0, 0, 10, 0); //substitute parameters for left, top, right, bottom
tv.setLayoutParams(params);
I can't test it right now, so my casting may be off by a bit, but the LayoutParams are what need to be modified to change the margin.
N...
What's the idiomatic syntax for prepending to a short python list?
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819
The s.insert(0, x) form is the most common.
Whenever you see it though, it may be time to cons...
How to remove the querystring and get only the url?
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16 Answers
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