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Reference assignment operator in PHP, =&
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It's two different operators. = is assignment as you probably know. And & means the variable should be accessed by reference rather than by value.
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Bare asterisk in function arguments?
...o", 3,5)
>>> test_args_kwargs(*args)
arg1: two
arg2: 3
arg3: 5
# now with **kwargs:
>>> kwargs = {"arg3": 3, "arg2": "two","arg1":5}
>>> test_args_kwargs(**kwargs)
arg1: 5
arg2: two
arg3: 3
So *args allows you to dynamically build a list of arguments that will be taken ...
Does PowerShell support constants?
...the Set-Variable cmdlet:
Set-Variable myvar -option Constant -value 100
Now $myvar has a constant value of 100 and cannot be modified.
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Valid to use (anchor tag) without href attribute?
...e named anchor format is less commonly used, as the fragment identifier is now used to specify an [id] attribute (although for backwards compatibility you can still specify [name] attributes). An <a> element without an [href] attribute is still valid.
As far as semantics and styling is concer...
How can I build a small operating system on an old desktop computer? [closed]
This might be in vain, as I know writing an operating system is unbearably complicated (especially by oneself).
20 Answers
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Is there a date format to display the day of the week in java?
I know of date formats such as
"yyyy-mm-dd" -which displays date in format 2011-02-26
"yyyy-MMM-dd" -which displays date in format 2011-FEB-26
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How to access maven.build.timestamp for resource filtering
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I can confirm as of Maven 3.x {maven.build.timestamp} is "working" now. They work arounded the problem, apparently. No additional properties workaround needed anymore.
However, be careful your "filtering" plugin (maven-resources-plugin) is up to date. It needs to be relatively new, so if...
Does JSON syntax allow duplicate keys in an object?
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@BenCrowell: As far as I know, JSON is not supposed to be valid JavaScript and there are cases where it's not, see timelessrepo.com/json-isnt-a-javascript-subset. With that said, it was of course heavily inspired by JavaScript (it even says so in the ...
In C#, can a class inherit from another class and an interface?
I want to know if a class can inherit from a class and an interface.
The example code below doesn't work but I think it conveys what I want to do.
The reason that I want to do this is because at my company we make USB, serial, Ethernet, etc device. I am trying to develop a generic component/interfa...
What are the relationships between Any, AnyVal, AnyRef, Object and how do they map when used in Java
...s has changed to abstract class AnyVal extends Any with NotNull, and it is now possible to extend AnyVal with the new value classes feature, e.g.: class MyValue(val u: Int) extends AnyVal.
– ebruchez
Sep 28 '12 at 22:15
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