大约有 40,000 项符合查询结果（耗时：0.0634秒） [XML]
How to prevent ReflectionTypeLoadException when calling Assembly.GetTypes()
...
130
One fairly nasty way would be:
Type[] types;
try
{
types = asm.GetTypes();
}
catch (Reflect...
why is plotting with Matplotlib so slow?
...ort matplotlib.pyplot as plt
import numpy as np
import time
x = np.arange(0, 2*np.pi, 0.01)
y = np.sin(x)
fig, axes = plt.subplots(nrows=6)
styles = ['r-', 'g-', 'y-', 'm-', 'k-', 'c-']
lines = [ax.plot(x, y, style)[0] for ax, style in zip(axes, styles)]
fig.show()
tstart = time.time()
for i in ...
Remove all special characters except space from a string using JavaScript
...
answered Jul 2 '11 at 5:01
Petar IvanovPetar Ivanov
80.8k77 gold badges7272 silver badges8787 bronze badges
...
Does Dispose still get called when exception is thrown inside of a using statement?
...
answered Feb 5 '09 at 22:54
Jeff YatesJeff Yates
57.4k1818 gold badges133133 silver badges180180 bronze badges
...
What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
...
|
edited Nov 10 '11 at 3:39
answered Apr 8 '11 at 18:25
...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
...pringJUnit4ClassRunner or any other JUnitRunner as well. From Mockito 2.1.0 onwards, there are additional options that control exactly what kind of problems get reported.
share
|
improve this answe...
Rails 3: Get Random Record
... |
edited May 4 '17 at 19:09
answered Mar 17 '11 at 16:45
f...
Start an Activity with a parameter
...
David
14.1k1515 gold badges5050 silver badges6363 bronze badges
answered Oct 12 '10 at 10:35
WroclaiWroclai
...
Array.Add vs +=
...nd the added value. For example, to add an element with a
value of 200 to the array in the $a variable, type:
$a += 200
Source: about_Arrays
+= is an expensive operation, so when you need to add many items you should try to add them in as few operations as possible, ex:
$arr = 1..3 ...
How to easily truncate an array with JavaScript?
...
There is a slice method
array.slice(0, 4);
Will return the first four elements.
Don't forget to assign it back to your variable if you want to discard the other values.
Note: This is just regular javascript, no need for jquery.
...