大约有 16,300 项符合查询结果（耗时：0.0418秒） [XML]
How do I decode a string with escaped unicode?
I'm not sure what this is called so I'm having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string r...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
Is there a function the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
...
Remove empty lines in text using Visual Studio
How to remove empty lines in Visual Studio?
11 Answers
11
...
Why prefer two's complement over sign-and-magnitude for signed numbers?
I'm just curious if there's a reason why in order to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
...
Is there a way to 'uniq' by column?
I have a .csv file like this:
8 Answers
8
...
Get current time in seconds since the Epoch on Linux, Bash
I need something simple like date , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
7 ...
Center a map in d3 given a geoJSON object
Currently in d3 if you have a geoJSON object that you are going to draw you have to scale it and translate it in order to get it to the size that one wants and translate it in order to center it. This is a very tedious task of trial and error, and I was wondering if anyone knew a better way to obtai...
Why should we typedef a struct so often in C?
I have seen many programs consisting of structures like the one below
15 Answers
15
...
What's the difference between a single precision and double precision floating point operation?
What is the difference between a single precision floating point operation and double precision floating operation?
11 Answ...