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Find the most frequent number in a numpy vector
Suppose I have the following list in python:
12 Answers
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Array vs. Object efficiency in JavaScript
I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers.
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FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
How can I remove a substring from a given String?
Is there an easy way to remove substring from a given String in Java?
12 Answers
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...保旧规则被清除，用以下命令清除旧规则：
iptables -F
(or iptables --flush)
2.设置chain策略
对于filter table，默认的chain策略为ACCEPT，我们可以通过以下命令修改chain的策略：
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ...
How to generate gcc debug symbol outside the build target?
I know I can generate debug symbol using -g option. However the symbol is embeded in the target file. Could gcc generate debug symbol outside the result executable/library? Like .pdb file of windows VC++ compiler did.
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Given the lat/long coordinates, how can we find out the city/country?
For example if we have these set of coordinates
14 Answers
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What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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Find intersection of two nested lists?
I know how to get an intersection of two flat lists:
20 Answers
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Mysql - How to quit/exit from stored procedure
I have very simple question but i did't get any simple code to exit from SP using Mysql.
Can anyone share with me how to do that?
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