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How do you find the disk size of a Postgres / PostgreSQL table and its indexes
I'm coming to Postgres from Oracle and looking for a way to find the table and index size in terms of bytes/MB/GB/etc , or even better the size for all tables. In Oracle I had a nasty long query that looked at user_lobs and user_segments to give back an answer.
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How to compare 2 files fast using .NET?
Typical approaches recommend reading the binary via FileStream and comparing it byte-by-byte.
18 Answers
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Throwing cats out of windows
Imagine you're in a tall building with a cat. The cat can survive a fall out of a low story window, but will die if thrown from a high floor. How can you figure out the longest drop that the cat can survive, using the least number of attempts?
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What is the real overhead of try/catch in C#?
...try/catch does add some overhead and therefore isn't a good way of controlling process flow, but where does this overhead come from and what is it's actual impact?
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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE) · App Inventor 2 中文网
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使用App Inventor 2 控制物联网设备/低功耗蓝牙设备(BLE)
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使用 MIT App Inventor 控制低功耗蓝牙设备
本文介绍了用于低功耗蓝牙 (BLE) 设备的...
initializer_list and move semantics
Am I allowed to move elements out of a std::initializer_list<T> ?
8 Answers
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How is Node.js inherently faster when it still relies on Threads internally?
I just watched the following video: Introduction to Node.js and still don't understand how you get the speed benefits.
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How to remove the first and the last character of a string
I'm wondering how to remove the first and last character of a string in Javascript.
9 Answers
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Extract hostname name from string
... like to match just the root of a URL and not the whole URL from a text string. Given:
27 Answers
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表情配对 · App Inventor 2 中文网
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