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What are OLTP and OLAP. What is the difference between them?
Actually what do they mean? All articles I find about them don't give me an idea, or my knowledge is too insufficient to understand it.
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What columns generally make good indexes?
As a follow up to " What are indexes and how can I use them to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
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Type erasure techniques
(With type erasure, I mean hiding some or all of the type information regarding a class, somewhat like Boost.Any.)
I want to get a hold of type erasure techniques, while also sharing those, which I know of. My hope is kinda to find some crazy technique that somebody thought of in his/her darkest h...
Multithreading: What is the point of more threads than cores?
I thought the point of a multi-core computer is that it could run multiple threads simultaneously. In that case, if you have a quad-core machine, what's the point of having more than 4 threads running at a time? Wouldn't they just be stealing time (CPU Resources) from each other?
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Can someone copyright a SQL query? [closed]
I work for a school district. Every year we have to export a list of students from our student management system and send it to a company that handles our online exams.
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How to avoid reverse engineering of an APK file?
...or Android, and I want to prevent a hacker from accessing any resources, assets or source code from the APK file.
34 Answ...
Shorter syntax for casting from a List to a List?
I know its possible to cast a list of items from one type to another (given that your object has a public static explicit operator method to do the casting) one at a time as follows:
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Can a foreign key be NULL and/or duplicate?
Please clarify two things for me:
11 Answers
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Difference between Hashing a Password and Encrypting it
The current top-voted to this question states:
9 Answers
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周鸿祎创业以来的“六大战役” 酷派会是最后一战 - 资讯 - 清泛网 - 专注C/...
...第二次手机梦开始。
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