大约有 47,000 项符合查询结果（耗时：0.0711秒） [XML]
Comparing strings with == which are declared final in Java
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232
When you declare a String (which is immutable) variable as final, and initialize it with a com...
Create objective-c class instance by name?
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217
id object = [[NSClassFromString(@"NameofClass") alloc] init];
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What's the difference between size_t and int in C++?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 2 '09 at 11:07
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How to stop text from taking up more than 1 line?
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edited Jan 20 '18 at 21:02
diralik
2,86222 gold badges1313 silver badges3838 bronze badges
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TypeError: sequence item 0: expected string, int found
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edited Jun 4 '12 at 12:00
answered Jun 4 '12 at 11:54
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ASP MVC href to a controller/view
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Brendan VogtBrendan Vogt
23k3131 gold badges128128 silver badges223223 bronze badges
a...
Obtain Bundle Identifier programmatically
...ng *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
Swift 1.2
let bundleIdentifier = NSBundle.mainBundle().bundleIdentifier
Swift 3.0
let bundleIdentifier = Bundle.main.bundleIdentifier
Xamarin.iOS
var bundleIdentifier = NSBundle.MainBundle.BundleIdentifier
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Is there a zip-like function that pads to longest length in Python?
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256
In Python 3 you can use itertools.zip_longest
>>> list(itertools.zip_longest(a, b, c...
How to calculate moving average using NumPy?
... ret[n:] - ret[:-n]
return ret[n - 1:] / n
>>> a = np.arange(20)
>>> moving_average(a)
array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11.,
12., 13., 14., 15., 16., 17., 18.])
>>> moving_average(a, n=4)
array([ 1.5, 2.5, 3.5, 4...
How to get the max of two values in MySQL?
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Use GREATEST()
E.g.:
SELECT GREATEST(2,1);
Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)
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