syntactic-sugar

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Is there a shorthand for querying a dictionary in python?

Here\'s the type of query I want to execute, written in pseudocode: select blob from blobs where blob[\'color\'] == \'red\' having maximum(blob[\'size\'])[详细]

2023-02-21 17:03 分类：问答
How can I show that method returned successfully or failed without returning a value in C#?

I know in other languages like C/C++ you would return a value like SUCCESS which would indicate to the calling me开发者_开发问答thod that the method returned successfully, or failed.[详细]

2023-02-20 22:27 分类：问答
Is it possible to roll your own syntax sugar (like do-notation, or arrow-notation) in Haskell?

Well, the question is self-explicative. Suppose I want to implement some special syntax just for f开发者_JAVA技巧un. Is it possible? What tools should I use?There is no such meta-syntax in the Haskell[详细]

2023-02-19 21:34 分类：问答
Lambda expression syntactic sugar?

I have just come across the following code (.NET 3.5), which doesn\'t look like it should compile to me, but it does, and works fine:[详细]

2023-02-16 03:38 分类：问答
Python: Using locals() to print dictionary value

One of the nicest tools in Python is locals() in string formatting: >>> st=\"asdasd\" >>> print \"%(st)s\" % locals()[详细]

2023-02-10 08:54 分类：问答
About Scala's assignments and setter methods

Edit: The bug which prompted this question has now been fixed. In the Scala Reference, I can read (p. 86):[详细]

2023-02-09 18:20 分类：问答
What are new languages useful for - finding use cases for Offsider

One of my colleagues today demonstrated what I could call an interesting piece of Computer Science. He has created a \"system\" for lack of a better word called Offsider. After the presentation I was[详细]

2023-01-28 16:37 分类：问答
Readonly field syntactic shortcut

As we know the code: using(myDisposable) { } is equivalent of try { //do something with myDisposable } finally[详细]

2023-01-27 11:28 分类：问答
Objective-C: message syntax vs. dot syntax; what's the difference?

If I\'m using @synthesize foo;, what\'s the difference between the following: // message syntax [myObj setFoo:5];[详细]

2023-01-26 19:43 分类：问答
Is there a quicker way to write conditional statements?

I have a statement like this: if(window.location.hash != \'\' && window.location.hash != \'#all\' &&开发者_运维百科amp; window.location.hash != \'#\')[详细]

2023-01-25 01:49 分类：问答