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What does a lazy val do?
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In contrast to a method (defined with def) a lazy val is executed once and then never again. This can be useful when an operation takes long time to complete and when it is not sure if it is later used.
scala> class X { val x = { Thread.sleep(2000); 15 } }
defined class X
scala> class Y ...
Unicode与UTF-8互转(C语言实现) - C/C++ - 清泛网 - 专注C/C++及内核技术
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6. 延伸阅读
* http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.html
* The Absolute Minimum Every Software Developer Absolutely, Positively Must
Know About Unicode and Character Sets(关于字符集的最基本知识)
http://www.joelonsoftware.com/articles/Unicode.htm...
Load a WPF BitmapImage from a System.Drawing.Bitmap
I have an instance of a System.Drawing.Bitmap and would like to make it available to my WPF app in the form of a System.Windows.Media.Imaging.BitmapImage .
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What is the meaning of the planned “private protected” C# access modifier?
...uage feature implementation status , with planned language features for C# and VB.
6 Answers
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How to get the name of the current method from code [duplicate]
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And then there is CallerMemberNameAttribute stackoverflow.com/a/15310053/58768
– bohdan_trotsenko
Mar 17 '16 at 14:33
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Inverse dictionary lookup in Python
... .index only needs to guarantee that it returns a single value and it does not need to be lexically first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmo...
Remove leading comma from a string
...tring(1)
However, if you want to be able to detect if the comma is there and remove it if it is, then something like:
if (str[0] == ',') {
str = str.substring(1);
}
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How to create separate AngularJS controller files?
...ybe it would be best not to use it in your answer?
– Andrew
Mar 10 '14 at 14:08
3
@Andrew imho fu...
All combinations of a list of lists
...rapper function that takes a as input, iterates over itertools.product(*a) and yields both the tuple produced by itertools and a reverse version (e.g. create a list, reverse() it and convert back to tuple). Best ask a new question.
– Joachim Wagner
Feb 26 at 11...
Render partial from different folder (not shared)
... @Simon_Weaver You can achieve that. One way would be to modify ViewEngine and override it's FindPartialView method with something like if(partialViewName.Contains"/")partialViewName="~/Views/"+partialViewName;
– Arnis Lapsa
Jan 30 '11 at 17:31
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