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Continuously read from STDOUT of external process in Ruby
...create a script, random.rb, with the following line:
5.times { |i| sleep( 3*rand ); puts "#{i}" }
Then a ruby script to call it and return its output:
IO.popen( "ruby random.rb") do |random|
random.each { |line| puts line }
end
You'll see that you don't get the result in real-time as you mig...
jQuery vs document.querySelectorAll
...ldren.classList.contains('foo');
// do some more magic stuff here
}
3) apply the css style
// .css('background-color', 'green')
// note different notation
element.style.backgroundColor = "green" // or
element.style["background-color"] = "green"
This code would be at least two times as much...
App Inventor 2 BaiduFanyi拓展：请求百度翻译WebAPI方式的拓展 · App Inventor 2 中文网
...将待翻译文本和目标语言传给 RequestTranslation：
when 按钮_翻译.Click() {
BaiduFanyi1.RequestTranslation(文本输入框_原文.Text, "en")
}
when BaiduFanyi1.GotTranslation(translation) {
标签_译文.Text = translation
}
when BaiduFanyi1.GotError(error) {
标签_译文.T...
Arduino101 湿度和温度 · App Inventor 2 中文网
...。湿度值是0-100%之间的相对湿度。
Parameters:
* humidity (_number_) — The relative humidity, in percent.
TemperatureReceived – 当从Arduino接收到温度样本时运行TemperatureReceived事件。
这通常是执行读取或请求
操作的结果。温度值以摄氏...
MySQL Cannot drop index needed in a foreign key constraint
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237
You have to drop the foreign key. Foreign keys in MySQL automatically create an index on the t...
Do I cast the result of malloc?
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edited Sep 3 '19 at 11:12
answered Mar 3 '09 at 10:17
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Eclipse Kepler for OS X Mavericks request Java SE 6
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edited Mar 11 '15 at 19:31
gregers
10.2k88 gold badges4040 silver badges4040 bronze badges
answered Oc...
How To Create Table with Identity Column
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answered May 23 '12 at 18:28
GratzyGratzy
8,62444 gold badges2525 silver badges4444 bronze badges
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How to see which flags -march=native will activate?
I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using?
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Is there a UIView resize event?
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edited May 23 '17 at 12:34
Community♦
111 silver badge
answered Oct 22 '10 at 20:38
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