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How to use a class from one C# project with another C# project
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In this case you have 3 options: 1) Combine the 2 projects 2) Make the class internal - and add P2 as "InternalsVisibleTo" attribute (more information here: msdn.microsoft.com/en-us/library/…). 3) If none of the above can be done - you will have to use reflec...
Difference between partition key, composite key and clustering key in Cassandra?
...means that it is made by a single column.
But the primary key can also be COMPOSITE (aka COMPOUND), generated from more columns.
create table stackoverflow_composite (
key_part_one text,
key_part_two int,
data text,
PRIMARY KEY(key_part_one, key_part_two)
);
In a...
Difference between a theta join, equijoin and natural join
I'm having trouble understanding relational algebra when it comes to theta joins, equijoins and natural joins. Could someone please help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join?
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When should I use the Visitor Design Pattern? [closed]
...Dog: public Animal { };
class Cat: public Animal { };
(Suppose it is a complex hierarchy with a well-established interface.)
Now we want to add a new operation to the hierarchy, namely we want each animal to make its sound. As far as the hierarchy is this simple, you can do it with straight pol...
Swift 编程语言入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...非常好的教程，分享给大家
原文地址：http://gashero.iteye.com/blog/2075324
目录
1 简介
2 Swift入门
3 简单值
4 控制流
5 函数与闭包
6 对象与类
7 枚举与结构
1 简介
今天凌晨Apple刚刚发布了Swift编程语言，本文...
Difference between float and decimal data type
...te tons of minute differences in values converted from ASCII to float when compared against those in, say, SQLServer. This is rarely true anymore. Testing is the best policy, as it's best to know for certain what the trade-offs are.
– user1899861
Oct 17 '13 at ...
Detecting an undefined object property
...s now. This is the worst possible way to do it. I hope passers-by see this comment and decide to check… ahem… other answers.
– Ry-♦
May 14 '14 at 3:05
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How can I get the current date and time in UTC or GMT in Java?
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java.util.Date has no specific time zone, although its value is most commonly thought of in relation to UTC. What makes you think it's in local time?
To be precise: the value within a java.util.Date is the number of milliseconds since the Unix epoch, which occurred at midnight January 1st 197...
C# DLL config file
...part of my career, I've seen these lovely generic shared-object mechanisms completely ignored, with teams creating DLLs (or JARs) that can only be used in one context (and must be present, or the app fails). They might as well be statically bound, but that's passe.
– JohnL4
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