大约有 5,500 项符合查询结果（耗时：0.0244秒） [XML]
Is there a splice method for strings?
...& joining) is twice slower than the former solution (using slice), for 100-letter strings it's x5 and for 1000-letter strings it's x50, in Ops/sec it's:
10 letters 100 letters 1000 letters
slice implementation 1.25 M 2.00 M 1.91 M
split implementation ...
Increasing nesting function calls limit
...unction a1() that calls a2(), that calls a3... so when a99() will call a100() you will see
3 Answers
...
How to update a plot in matplotlib?
...t matplotlib.pyplot as plt
import numpy as np
x = np.linspace(0, 6*np.pi, 100)
y = np.sin(x)
# You probably won't need this if you're embedding things in a tkinter plot...
plt.ion()
fig = plt.figure()
ax = fig.add_subplot(111)
line1, = ax.plot(x, y, 'r-') # Returns a tuple of line objects, thus t...
How to horizontally center a
...o;
border: 1px solid black;
}
#outer {
border: 1px solid red;
width:100%
}
<div id="outer">
<div id="inner">Foo foo</div>
</div>
EDIT
With flex-box, it is very easy to style the div horizontally and vertically centered.
#inner {
border: 1px solid black;
}...
Grouping functions (tapply, by, aggregate) and the *apply family
...
+100
R has many *apply functions which are ably described in the help files (e.g. ?apply). There are enough of them, though, that beginni...
Set the absolute position of a view
...ibutes.
The following example will place a 20x20px ImageView at position (100,200) using a FrameLayout as fullscreen container:
XML
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/root"
android...
How to pass command line argument to gnuplot?
...c switch with a script that contains lines such as plot 'data' using 0:($1/100). gnuplot dies with the error invalid expression because $1 is disappeared. Where am I wrong? Note that without -c, the script runs succefully.
– lorcap
Sep 30 '15 at 15:43
...
RESTful way to create multiple items in one request
...nd a POST to /api/books to create a book. But then when you want to create 100 books (in a single request as json), which URL would you post the collection of 100 books to? that's where the restlessness begins.
– code4kix
Oct 17 '18 at 13:54
...
What does {0} mean when initializing an object?
...aggregate initializer also works:
SHELLEXECUTEINFO sexi = {};
char mytext[100] = {};
share
|
improve this answer
|
follow
|
...
Is std::vector copying the objects with a push_back?
...;Foo> FooPtr; Then make containers of FooPtrs
– pm100
Feb 16 '10 at 18:00
3
...