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How do I create an immutable Class?
... public MyClass(..., IList<MyType> items)
{
...
_myReadOnlyList = new List<MyType>(items).AsReadOnly();
}
public IList<MyType> MyReadOnlyList
{
get { return _myReadOnlyList; }
}
private IList<MyType> _myReadOnlyList
}
...
Can functions be passed as parameters?
... result = quote123(foo)
fmt.Println(result)
// Output: "foo"
_ = convert(foo) // confirm foo satisfies convert at runtime
// fails due to argument type
// _ = convert(func(x float64) string { return "" })
}
Play: http://play.golang.org/p/XNMtrDUDS0
Tour: https://tour.golang...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
...ime it's executed:
var seq = EnumerableEx.Generate(
new Random(),
_ => true,
_ => _,
x => x.Next());
To see that new random samples show up every time, consider the following
seq.Zip(seq, Tuple.Create).Take(3).Dump();
which produces pairs in which the left and right ar...
The key must be an application-specific resource id
... add this to your strings.xml file: <item type="id" name="TAG_ONLINE_ID"/> and you can use like a regular id resource: R.id.TAG_ONLINE_ID
– EtienneSky
Dec 23 '11 at 8:10
...
How to determine whether an object has a given property in JavaScript
...
Underscore.js or Lodash
if (_.has(x, "y")) ...
:)
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各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
各编程语言读写文件汇总all_programming_language_file_read_write_summary读写文件本来是非常基础的代码，但工作学习中难免会有遗忘，有时又难以翻看自己写过的代码，网上搜索更是五花八门让人头大，鉴于此，清泛网 读写文件本来是...
how do I make a single legend for many subplots with matplotlib?
...
There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments:
handles, labels = ax.get_legend_handles_labels()
fig.legend(handles, labels, loc...
What are the rules for calling the superclass constructor?
...:
class A : public B
{
public:
A(int a, int b, int c);
private:
int b_, c_;
};
Then, assuming B has a constructor which takes an int, A's constructor may look like this:
A::A(int a, int b, int c)
: B(a), b_(b), c_(c) // initialization list
{
// do something
}
As you can see, the con...
Difference between Pig and Hive? Why have both? [closed]
... answered Jul 28 '10 at 19:08
G__G__
6,49855 gold badges3232 silver badges5151 bronze badges
...
Sending HTML email using Python
...message to send - here it is sent as one string.
s.sendmail(me, you, msg.as_string())
s.quit()
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