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How can I convert the “arguments” object to an array in JavaScript?
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21 Answers
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
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一、OceanBase启动时的使用模式
二、 基础数据结构
2.1 easy_list_t
2.2 easy_pool_t
2.3 easy_buf_t
2.4 easy_connection_t
三、 连接建立
四、 同步处理(OceanBase少量使用这种模式)
五、 异步处理(OceanBase大量采用这种模式)
六、 资源管...
Declaring and initializing variables within Java switches
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Switch statements are odd in terms of scoping, basically. From section 6.3 of the JLS:
The...
'str' object does not support item assignment in Python
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In Python, strings are immutable, so you can't change their characters in-place.
You can, how...
Can I specify a custom location to “search for views” in ASP.NET MVC?
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Why does Sql Server keep executing after raiserror when xact_abort is on?
... a bit of an issue for some who hoped RAISERROR with a high severity (like 16) would be the same as an SQL execution error - it's not.
Your workaround is just about what you need to do, and using an explicit transaction doesn't have any effect on the behavior you want to change.
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Javascript: formatting a rounded number to N decimals
...number, something like:
var s = number.toString();
if (s.indexOf('.') == -1) s += '.';
while (s.length < s.indexOf('.') + 4) s += '0';
(Note that this assumes that the regional settings of the client uses period as decimal separator, the code needs some more work to function for other settings...
What is the best way to count “find” results?
...intf '.' \; | wc -c , but this takes far too long when there are more than 10000 results. Is there no faster/better way to do this?
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