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CSS Background Opacity [duplicate]
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Children inherit opacity. It'd be weird and inconvenient if they didn't.
You can use a translucent PNG file for your background image, or use an RGBa (a for alpha) color for your background color.
Example, 50% faded black background:
<div style="backgroun...
What is 'define' used for in JavaScript (aside from the obvious)?
I have searched high and low for documentation on this, but I just cannot find anything anywhere.
2 Answers
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How to convert latitude or longitude to meters?
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
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error: Unable to find vcvarsall.bat
...on or the purpose-built Microsoft Visual C++ Compiler for Python (details) and NOT using the original answer below. Original error message means the required version of Visual C++ is not installed.
For Windows installations:
While running setup.py for package installations, Python 2.7 searches f...
Why should I not include cpp files and instead use a header?
So I finished my first C++ programming assignment and received my grade. But according to the grading, I lost marks for including cpp files instead of compiling and linking them . I'm not too clear on what that means.
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get name of a variable or parameter [duplicate]
...aram1 = MemberInfoGetting.GetMemberName(() => param1);
}
}
C# 6.0 and higher solution
You can use the nameof operator for parameters, variables and properties alike:
string testVariable = "value";
string nameOfTestVariable = nameof(testVariable);
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Node.js: what is ENOSPC error and how to solve?
I have a problem with Node.js and uploading files to server. For uploading files to server I use this plugin . When starting file upload to the server, Node.js process crashed and show error:
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Is there a difference between “throw” and “throw ex”?
... ex resets the stack trace (so your errors would appear to originate from HandleException)
throw doesn't - the original offender would be preserved.
static void Main(string[] args)
{
try
{
Method2();
}
catch (Exception ex)
{
Console.Write(ex.StackTrace.ToString()...
Can you list the keyword arguments a function receives?
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A little nicer than inspecting the code object directly and working out the variables is to use the inspect module.
>>> import inspect
>>> def func(a,b,c=42, *args, **kwargs): pass
>>> inspect.getargspec(func)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
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Making a LinearLayout act like an Button
I have a LinearLayout that I've styled to look like a button , and it contains a few text/ImageView elements. I would like to make the whole LinearLayout act like a button , in particular to give it states that are defined in a so it has a different background when it is pressed.
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