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How to open, read, and write from serial port in C?

...ity) { struct termios tty; if (tcgetattr (fd, &tty) != 0) { error_message ("error %d from tcgetattr", errno); return -1; } cfsetospeed (&tty, speed); cfsetispeed (&tty, speed); tty.c_cflag = (tty.c_...
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Difference between exit(0) and exit(1) in Python

What's the difference between exit(0) and exit(1) in Python? 5 Answers 5 ...
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L

...environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly. ...
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What does “fragment” mean in ANTLR?

...r: NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS; fragment DIGITS: '1'..'9' '0'..'9'*; fragment OCTAL_DIGITS: '0' '0'..'7'+; fragment HEX_DIGITS: '0x' ('0'..'9' | 'a'..'f' | 'A'..'F')+; In this example, matching a NUMBER will always return a NUMBER to the lexer, regardless of if it matched "1234", "...
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Compare if BigDecimal is greater than zero

... It's as simple as: if (value.compareTo(BigDecimal.ZERO) > 0) The documentation for compareTo actually specifies that it will return -1, 0 or 1, but the more general Comparable<T>.compareTo method only guarantees less than zero, zero, or greater than zero for the appropriate ...
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Matplotlib tight_layout() doesn't take into account figure suptitle

... 10 Answers 10 Active ...
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How can I shrink the drawable on a button?

...rawable = getResources().getDrawable(R.drawable.s_vit); drawable.setBounds(0, 0, (int)(drawable.getIntrinsicWidth()*0.5), (int)(drawable.getIntrinsicHeight()*0.5)); ScaleDrawable sd = new ScaleDrawable(drawable, 0, scaleWidth, scaleHeight); Button btn = findViewbyId(R.id.yo...
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What is the “-->” operator in C++?

...ised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4. 25 Answers ...
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HTML5 canvas ctx.fillText won't do line breaks?

... Neuron 3,54333 gold badges2323 silver badges4040 bronze badges answered Feb 18 '11 at 14:42 Simon SarrisSimon Sarris 56k121...
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CSS performance relative to translateZ(0)

...ng' the GPU to think that an element is 3D by using transform: translateZ(0) to speed up animations and transitions. I was wondering if there are implications to using this transform in the following manner: ...