大约有 41,300 项符合查询结果（耗时：0.0491秒） [XML]
Remove a character from the end of a variable
...
243
Use
target=${1%/}
A reference.
...
gulp globbing- how to watch everything below directory
...
|
edited Nov 30 '16 at 10:24
FelipeAls
19.8k66 gold badges4646 silver badges6666 bronze badges
...
Read an Excel file directly from a R script
...
|
edited Sep 3 '14 at 23:56
David LeBauer
27.6k2727 gold badges101101 silver badges174174 bronze badges
...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "long" message (this is wh...
ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
...could have an infinitely long decimal expansion; for example, 1 divided by 3.
If the quotient has a nonterminating decimal expansion and the operation is specified to return an exact result, an ArithmeticException is thrown. Otherwise, the exact result of the division is returned, as done for other ...
How to change size of split screen emacs windows?
...
philsphils
64.3k77 gold badges126126 silver badges165165 bronze badges
...
How to automatically select all text on focus in WPF TextBox?
...
31 Answers
31
Active
...
nil detection in Go
...
183
The compiler is pointing the error to you, you're comparing a structure instance and nil. They'r...
plot with custom text for x axis points
...:
import matplotlib.pyplot as plt
import numpy as np
x = np.array([0,1,2,3])
y = np.array([20,21,22,23])
my_xticks = ['John','Arnold','Mavis','Matt']
plt.xticks(x, my_xticks)
plt.plot(x, y)
plt.show()
share
|
...
How do I create an empty array in YAML?
...
319
Try using [], like:
empty_array: []
So in Ruby you have:
x = YAML::load("empty_array: []")...