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What's the use of do while(0) when we define a macro? [duplicate]
I'm reading the linux kernel and I found many macros like this:
2 Answers
2
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python ? (conditional/ternary) operator for assignments [duplicate]
C and many other languages have a conditional (aka ternary) operator. This allows you to make very terse choices between two values based on the truth of a condition, which makes expressions, including assignments, very concise.
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“Collection was mutated while being enumerated” on executeFetchRequest
I'm stuck on a problem for hours now and having read everything about this on stackoverflow (and apply every advices found), I'm now officially in need for help. ;o)
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Good beginners tutorial to socket.io? [closed]
I am very new to the world of webdevelopment and jumped into the bandwagon because I find the concept of HTML5 very interesting. I am fairly confident on working with canvas and would now like to move over to websockets part of it. I have come to understand socket.io is by far the framework to work ...
Transition of background-color
...ar as I know, transitions currently work in Safari, Chrome, Firefox, Opera and Internet Explorer 10+.
This should produce a fade effect for you in these browsers:
a {
background-color: #FF0;
}
a:hover {
background-color: #AD310B;
-webkit-transition: background-color 1000ms l...
“Has invalid child element” warnings in Microsoft.Common.Targets while building
...t I double click it to get more info, the Microsoft.Common.Targets pops up and then I get all on the warnings.
1 Answer
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:after and :before pseudo-element selectors in Sass [duplicate]
How can I use the :before and :after pseudo-element selectors following the syntax of Sass or, alternatively, SCSS? Like this:
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Do scala constructor parameters default to private val?
...s there. No field is generated. Otherwise private val bar field is created and value of bar parameter is assigned to it. No getter is created.
private val bar: Int
Such declaration of parameter will create private val bar field with private getter. This behavior is the same as above no matter if t...
How do I make a semi transparent background?
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yes, IE supports rgba, its syntax is #ARGB and is written as filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#AARRGGBBAA,endColorstr=#AARRGGBBAA); its basically a gradient of a static color but with transparency.
– Tarun
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Static extension methods [duplicate]
...ring);
So as you can see, there's no way to do that for static methods.
And another thing just dawned on me: what would really be the point of being able to add static methods on existing classes? You can just have your own helper class that does the same thing, so what's really the benefit in be...