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Advantages of std::for_each over for loop
Are there any advantages of std::for_each over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use?
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Generating CSV file for Excel, how to have a newline inside a value
I need to generate a file for Excel, some of the values in this file contain multiple lines.
19 Answers
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Error: No default engine was specified and no extension was provided
I am working through setting up a http server using node.js and engine. However, I keep running into issues that I have little information on how to resolve I would appreciate some help solving this please.
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How do I add a newline to a TextView in Android?
When I define a TextView in xml , how do I add a new line to it? \n seems not to work.
31 Answers
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Oracle取前N条记录方法 Oracle实现SELECT TOP N的方法 - 数据库(内核) - 清...
Oracle取前N条记录方法 Oracle实现SELECT TOP N的方法select * from ( select * from tablexxx order by xxx desc ) where rownum <= Noracle数据库不支持mysql中limit, top功...select * from ( select * from tablexxx order by xxx desc ) where rownum <= N
oracle数据库不支持mysql中li...
how to implement regions/code collapse in javascript
How can you implement regions a.k.a. code collapse for JavaScript in Visual Studio?
16 Answers
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Multiplication on command line terminal
... floats. Try echo '4 k 50 7 / p' | dc. The output is 7.1428. The k command sets the precision.
– Paused until further notice.
Jun 15 '12 at 0:58
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LINQ Ring: Any() vs Contains() for Huge Collections
...elf. For instance, Contains() on a List is O(n), while Contains() on a HashSet is O(1).
Any() is an extension method, and will simply go through the collection, applying the delegate on every object. It therefore has a complexity of O(n).
Any() is more flexible however since you can pass a delegat...
Using async/await for multiple tasks
I'm using an API client that is completely asynchrounous, that is, each operation either returns Task or Task<T> , e.g:
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How to read a line from the console in C?
What is the simplest way to read a full line in a C console program
The text entered might have a variable length and we can't make any assumption about its content.
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