大约有 16,380 项符合查询结果（耗时：0.0328秒） [XML]
What's the difference between io.sockets.emit and broadcast?
What's the difference between io.sockets.emit and socket.broadcast.emit? Is it only that broadcast emits to everyone BUT the socket that sends it?
...
Get current stack trace in Ruby without raising an exception
...
You can use Kernel#caller:
# /tmp/caller.rb
def foo
puts caller # Kernel#caller returns an array of strings
end
def bar
foo
end
def baz
bar
end
baz
Output:
caller.rb:8:in `bar'
caller.rb:12:in `baz'
caller.rb:15:in `<main>'
...
What is sys.maxint in Python 3?
I've been trying to find out how to represent a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
...
Adding a y-axis label to secondary y-axis in matplotlib
...
The best way is to interact with the axes object directly
import numpy as np
import matplotlib.pyplot as plt
x = np.arange(0, 10, 0.1)
y1 = 0.05 * x**2
y2 = -1 *y1
fig, ax1 = plt.subplots()
ax2 = ax1.twinx()
ax1.plot(x, y1, 'g-')
ax2.plot(x, y2, 'b-')
ax1.set_xlabel('X data')
ax1....
How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
...ound specifically referenced which VS version they referred to. With that important information lacking, I still was unable to successfully use the answers I found. The most common was
...
Stretch child div height to fill parent that has dynamic height
...s, contained in a parent div that have stretched to contain the big div, my goal is to make those child div s equal in height.
...
How can I make Array.Contains case-insensitive on a string array?
I am using the Array.Contains method on a string array. How can I make that case-insensitive?
4 Answers
...
Newline in JLabel
...
Surround the string with <html></html> and break the lines with <br/>.
JLabel l = new JLabel("<html>Hello World!<br/>blahblahblah</html>", SwingConstants.CENTER);
...
Update a local branch with the changes from a tracked remote branch
I have a local branch named ' my_local_branch ', which tracks a remote branch origin/my_remote_branch .
2 Answers
...
Visual Studio Editor does not underline errors anymore
My Visual Studio (2008) Editor has stopped to underline Errors (this nifty wavy red lines). I can't really tell when, but it can be related to the installation of .Net Framework 3.5 SP 1 or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resha...