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How do I get SUM function in MySQL to return '0' if no values are found?
Say I have a simple function in MySQL:
4 Answers
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Left align and right align within div in Bootstrap
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2018 Update...
Bootstrap 4.1+
pull-right is now float-right
text-right is the same as 3.x, and works for inline elements
both float-* and text-* are responsive for different alignment at different widths (ie: float-sm-right)
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What does 'wb' mean in this code, using Python?
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File mode, write and binary. Since you are writing a .jpg file, it looks fine.
But if you supposed to read that jpg file you need to use 'rb'
More info
On Windows, 'b' appended to the mode
opens the file in binary mode, so
there are also modes like 'r...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
A couple of questions regarding the x86 CPU privilege rings:
3 Answers
3
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sed: print only matching group
I want to grab the last two numbers (one int, one float; followed by optional whitespace) and print only them.
5 Answers
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NULL vs nil in Objective-C
In observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context pointer?
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How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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What does it mean to start a PHP function with an ampersand?
I'm using the Facebook library with this code in it:
3 Answers
3
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Is there a way to suppress JSHint warning for one given line?
I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case.
3 Ans...
Can I update a component's props in React.js?
... static (passed in from the parent component), while state changes based upon events. However, I noticed in the docs a reference to componentWillReceiveProps , which specifically includes this example:
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