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Vibrate and Sound defaults on notification
...gb format, like 0xffffffff, instead of Color.White, because there's is a small chance of user device use Color(RGB) for a ARGB param and you will get the wrong color. This Happened with me.
– Beto Caldas
Oct 24 '14 at 19:47
...
Handling optional parameters in javascript
... second argument is a function or not:
function getData (id, parameters, callback) {
if (arguments.length == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
You can also us...
Checking from shell script if a directory contains files
...
The solutions so far use ls. Here's an all bash solution:
#!/bin/bash
shopt -s nullglob dotglob # To include hidden files
files=(/some/dir/*)
if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi
...
Linux下安装项目管理工具Redmine - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...y-1.8.7-p174
# ./configure --prefix=/usr/local/ruby
# make && make install
设置Ruby环境变量
# cd ~
# vi .bash_profile
添加下面一行
export PATH=$PATH:/usr/local/ruby/bin
保存退出:wq
# . .bash_profile
...
How to get UILabel to respond to tap?
...= UITapGestureRecognizer(target: self, action: #selector(self.actionTapped(_:)))
tempLabel?.isUserInteractionEnabled = true
tempLabel?.addGestureRecognizer(tapAction)
Action receiver
func actionTapped(_ sender: UITapGestureRecognizer) {
// code here
}
Swift 4.0
Initialize the gesture...
投屏（ScreenCast）使用指导 · App Inventor 2 中文网
...，将同名事件的处理合并到一个事件积木中。
when 按钮_创建.Click() {
ScreenCast1.CreateSession()
}
when ScreenCast1.SessionCreated() {
ScreenCast1.ActivateSession()
}
when ScreenCast1.SessionActivated() {
标签1.Text = "会话已激活"
}
when ScreenCast1.CastError(错...
Null vs. False vs. 0 in PHP
...ers can spot/utilize the difference between Null and False and 0 and all the other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
...
What is a vertical tab?
..., fill in header, VT to body area, fill in lines, VT to form footer. Generally it was coded in the program as a character constant. From the keyboard, it would be CTRL-K.
I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like po...
Remove the legend on a matplotlib figure
....0rc4, a remove method has been added to the legend object.
Usage:
ax.get_legend().remove()
or
legend = ax.legend(...)
...
legend.remove()
See here for the commit where this was introduced.
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Phonegap Cordova installation Windows
The documentation for phonegap/cordova is absolutely horrible. All I'm trying to do is install PhoneGap 3.0 on my Windows environment but having no success.
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