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Removing whitespace from strings in Java
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Dave Jarvis
27.6k3434 gold badges157157 silver badges281281 bronze badges
answered Mar 28 '11 at 7:24
Gursel Koca...
Python pip install fails: invalid command egg_info
...tall Distribute.
Distribute has been merged into Setuptools as of version 0.7. If you are using a version <=0.6, upgrade using pip install --upgrade setuptools or easy_install -U setuptools.
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网
... 消息流
应用场景
网络开销
QoS 0
最多一次
PUBLISH → Broker → Subscriber
传感器数据、温度读数
最低
QoS 1
至少一次
PUBLISH → PUBACK → PUBLISH → PUBACK
控制指令、报...
what is the difference between ajax and jquery and which one is better? [closed]
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27
A more simple English explanation: jQuery is something that makes AJAX and other JavaScript tas...
UIScrollView Scrollable Content Size Ambiguity
...tentView);
In this contentView, set top, bottom, left and right margins to 0 (of course from the scrollView which is the superView); Set also align center horizontally and vertically;
Finished.
Now you can add all your views in that contentView, and the contentSize of the scrollView will be autom...
What is the iPad user agent?
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Mozilla/5.0(iPad; U; CPU iPhone OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B314 Safari/531.21.10
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How to allow only one radio button to be checked?
... simple yet powerful.
– Rishabh
May 27 at 21:14
For the project I just inherited, both radio buttons on my form MUST b...
How to validate GUID is a GUID
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edited Dec 3 '14 at 15:03
Joseph Woodward
8,70955 gold badges3838 silver badges6161 bronze badges
ans...
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 ...
Creating a textarea with auto-resize
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This works for me (Firefox 3.6/4.0 and Chrome 10/11):
var observe;
if (window.attachEvent) {
observe = function (element, event, handler) {
element.attachEvent('on'+event, handler);
};
}
else {
observe = function (element, eve...