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How do I typedef a function pointer with the C++11 using syntax?
...pe_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And here is another demo.
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Percentage width child element in absolutely positioned parent on Internet Explorer 7
...oking for. The following code displays exactly the same in Firefox 3 (mac) and IE7.
#absdiv {
position: absolute;
left: 100px;
top: 100px;
width: 80%;
height: 60%;
background: #999;
}
#pctchild {
width: 60%;
height: 40%;
background: #CCC;
}
#reldiv {
position: relati...
How do I convert an array object to a string in PowerShell?
...
$a = 'This', 'Is', 'a', 'cat'
Using double quotes (and optionally use the separator $ofs)
# This Is a cat
"$a"
# This-Is-a-cat
$ofs = '-' # after this all casts work this way until $ofs changes!
"$a"
Using operator join
# This-Is-a-cat
$a -join '-'
# ThisIsacat
-join $a...
One line if statement not working
...ales.present? can you drop the '?'? ... don't worry. Found some code I had and tested it. The answer is 'no'
– Jay Killeen
Jan 21 '15 at 5:54
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Check if value already exists within list of dictionaries?
...sing the above code can give you a KeyError. You can fix this by using get and providing a default value. If you don't provide a default value, None is returned.
if not any(d.get('main_color', default_value) == 'red' for d in a):
# does not exist
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How do you clone an Array of Objects in Javascript?
...ng up with circular object references. Deep will go as deep as it can go, and if you've got a circle, it'll keep going infinitely until the browser faints.
If the data structure cannot be represented as a directed acyclic graph, then I'm not sure you're going to be able to find an all-purpose meth...
Python Nose Import Error
...nswered Jun 18 '10 at 22:09
ire_and_cursesire_and_curses
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How do I link to part of a page? (hash?)
...htags in the url like : example.com/#RouteName?page=1#ID. one for routing and one for navigation inside of current page. finally i used html5 mode of URL in order to removing route hashtags ;) @tomsmeding
– iraj jelodari
Nov 19 '16 at 15:20
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How can I “pretty print” a Duration in Java?
...Period can be created directly, without first creating a Duration instance and then converting it to Period. E.g. Period period = new Period(millis); String formatted = formatter.print(period);
– Basil Vandegriend
Aug 12 '13 at 23:15
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private final static attribute vs private final attribute
...ce a static variable without having ever created an instances of the type, and any code referring to the variable is referring to the exact same data. Compare this with an instance variable: in that case, there's one independent version of the variable per instance of the class. So for example:
Tes...