大约有 37,000 项符合查询结果（耗时：0.0662秒） [XML]
Why does “_” (underscore) match “-” (hyphen)?
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answered Nov 23 '11 at 3:02
Book Of ZeusBook Of Zeus
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C# nullable string error
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304
System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix a...
Stop handler.postDelayed()
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edited Oct 14 '19 at 10:55
Juan José Melero Gómez
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
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answered Nov 1 '13 at 14:04
rmaddyrmaddy
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Right mime type for SVG images with fonts embedded
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answered Aug 13 '12 at 8:20
Erik DahlströmErik Dahlström
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Objective-C class -> string like: [NSArray className] -> @“NSArray”
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306
NSString *name = NSStringFromClass ([NSArray class]);
You can even go back the other way:
Cl...
How do I comment on the Windows command line?
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answered Jun 8 '10 at 13:20
paxdiablopaxdiablo
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Plotting a list of (x, y) coordinates in python matplotlib
...er this example:
import numpy as np
import matplotlib.pyplot as plt
N = 50
x = np.random.rand(N)
y = np.random.rand(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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AngularJS check if form is valid in controller
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109
Try this
in view:
<form name="formName" ng-submit="submitForm(formName)">
<!-- fiel...
what is the difference between ?:, ?! and ?= in regex?
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160
The difference between ?= and ?! is that the former requires the given expression to match and t...