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Randomize a List
What is the best way to randomize the order of a generic list in C#? I've got a finite set of 75 numbers in a list I would like to assign a random order to, in order to draw them for a lottery type application.
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How to check if an email address exists without sending an email?
I have come across this PHP code to check email address using SMTP without sending an email .
14 Answers
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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Fastest way to determine if an integer's square root is an integer
... fast convert-to-long function so integer operations can be applied on the raw bytes.
the 0x5f3759df - (i >> 1); line is a pre-calculated seed value for the approximation function.
the * (float*) &i converts the value back to floating point.
the y = y * ( threehalfs - ( x2 * y * y ) ) lin...
What is the difference between require_relative and require in Ruby?
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Parsing Visual Studio Solution files
... that merges multiple solutions into one while saving the relative build order.
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Is it wrong to use Deprecated methods or classes in Java?
I am using eclipse to develop a web application. Just today I have updated my struts version by changing the JAR file. I am getting warnings at some places that methods are deprecated, but the code is working fine.
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
ros 基本调试原文地址:http: www.reactos.org wiki Debugging欢迎拍砖。。本文讲述了调试ROS的各种方法和必要步骤。目录1.简介2.可用的调试方法2.1通...原文地址:http://www.reactos.org/wiki/Debugging
欢迎拍砖。。
本文讲述了调试ROS的各种方...
How can I parse a CSV string with JavaScript, which contains comma in data?
...tive regular expressions syntax (expressed using Python's handy r'''...''' raw-multi-line-string syntax).
First here is a regular expression which validates that a CVS string meets the above requirements:
Regular expression to validate a "CSV string":
re_valid = r"""
# Validate a CSV string having s...
Extending the User model with custom fields in Django
What's the best way to extend the User model (bundled with Django's authentication app) with custom fields? I would also possibly like to use the email as the username (for authentication purposes).
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