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Linq to Entities join vs groupjoin

I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice. ...
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Get individual query parameters from Uri [duplicate]

I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param 9 Answers ...
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Difference between numpy.array shape (R, 1) and (R,)

In numpy , some of the operations return in shape (R, 1) but some return (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of co...
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Use of *args and **kwargs [duplicate]

... The syntax is the * and **. The names *args and **kwargs are only by convention but there's no hard requirement to use them. You would use *args when you're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your functi...
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Can a Windows batch file determine its own file name?

Can a Windows batch file determine its own file name? 6 Answers 6 ...
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通信连接组件 · App Inventor 2 中文网

... 属性 事件 方法 Web客户端 属性 事件 方法 SimpleBase64 拓展 属性 事件 方法 MqttClient 拓展 ClientSo...
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Return a `struct` from a function in C

... return a structure from a function (or use the = operator) without any problems. It's a well-defined part of the language. The only problem with struct b = a is that you didn't provide a complete type. struct MyObj b = a will work just fine. You can pass structures to functions as well - a stru...
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How to run a command in the background and get no output?

I wrote two shell scripts a.sh and b.sh . In a.sh and b.sh I have a infinite for loop and they print some output to the terminal. I want to write another script which calls both a.sh and b.sh but I want the user to regain control of the terminal immediately, instead of having the script r...
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How to create major and minor gridlines with different linestyles in Python

I am currently using matplotlib.pyplot to create graphs and would like to have the major gridlines solid and black and the minor ones either greyed or dashed. ...
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JavaScript REST client Library [closed]

Is there a JavaScript library which allow me to perform all the REST operation like ( GET , POST , PUT and DELETE over HTTP or HTTPS )? ...