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Wrap a delegate in an IEqualityComparer
Several Linq.Enumerable functions take an IEqualityComparer<T> . Is there a convenient wrapper class that adapts a delegate(T,T)=>bool to implement IEqualityComparer<T> ? It's easy enough to write one (if your ignore problems with defining a correct hashcode), but I'd like to know...
Add Variables to Tuple
... user input. so should i destruct these tuples after updation to the db is completed?
– amit
Sep 4 '09 at 18:42
6
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Programmatically stop execution of python script? [duplicate]
Is it possible to stop execution of a python script at any line with a command?
4 Answers
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Win32 创建控件风格不是Win XP的解决方案 - C/C++ - 清泛网 - 专注C/C++及内核技术
...种情况都是由于没有正确加载资源，我们知道，像button, combobox, listbox等这些控件都是放在comctl32这个DLL里面的，所以有时候在用这些系统自定义的控件时，需要我们首先调用InitCommonControlsEx函数。这个DLL的版本有很多，存放在Wind...
Is it possible to use Java 8 for Android development?
...native support for Java 8. gradle-retrolambda is now no longer needed. See https://developer.android.com/studio/write/java8-support.html
The above link also includes migration instructions if you are using gradle-retrolambda. Original answer below:
Android does not support Java 8. It only suppor...
How to change the default charset of a MySQL table?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to change legend title in ggplot
I have the following plot like below.
It was created with this command:
12 Answers
12...
Using Enum values as String literals
... This answer is in fact wrong: as you can call .name() See: stackoverflow.com/a/6667365/887836
– Alex
May 30 '16 at 13:49
3
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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@max See this, might address your question: stackoverflow.com/questions/23296282/…
– Aman
Feb 3 '16 at 1:23
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How to implement Enums in Ruby?
... is very similar (and more with features) to Java, C++ enums.
Quoted from http://edgeapi.rubyonrails.org/classes/ActiveRecord/Enum.html :
class Conversation < ActiveRecord::Base
enum status: [ :active, :archived ]
end
# conversation.update! status: 0
conversation.active!
conversation.active?...