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How do you read from stdin?
I'm trying to do some of the code golf challenges, but they all require the input to be taken from stdin . How do I get that in Python?
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How can I deploy an iPhone application from Xcode to a real iPhone device?
How can I deploy an iPhone application from Xcode to real iPhone device without having a US$99 Apple certificate?
12 Answer...
Using i and j as variables in Matlab
i and j are very popular variable names (see e.g., this question and this one ).
9 Answers
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Mediator Vs Observer Object-Oriented Design Patterns
I have been reading the Gang Of Four , in order to solve some of my problems and came across the Mediator pattern.
8 Ans...
Java 8 Streams - collect vs reduce
When would you use collect() vs reduce() ? Does anyone have good, concrete examples of when it's definitely better to go one way or the other?
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What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
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node and Error: EMFILE, too many open files
For some days I have searched for a working solution to an error
17 Answers
17
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How do you properly use namespaces in C++?
I come from a Java background, where packages are used, not namespaces. I'm used to putting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
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Explaining Apache ZooKeeper
I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is comparable to ZooKeeper?
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LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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!6发点8收点运输问题;
sets:
warehouses/wh1..wh6/: capacity;
vendors/v1..v8/: demand;
links(warehouses,vendors): cost, volume;
endsets
!目标函数;
min=@sum(links: cost*volume);
!需求约束;
@for(vendors(J):
@sum(warehouses(I): volume(I,J))=demand(J));
!产量约...