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Get first day of week in SQL Server

...ay of week. DECLARE @DOW INT -- to store day of week SET @INPUTDATE = CONVERT(VARCHAR(10), @INPUTDATE, 111) SET @DOW = DATEPART(DW, @INPUTDATE) -- Magic convertion of monday to 1, tuesday to 2, etc. -- irrespect what SQL server thinks about start of the week. -- But here we have sunday...
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Convert from ASCII string encoded in Hex to plain ASCII?

How can I convert from hex to plain ASCII in Python? 8 Answers 8 ...
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Random String Generator Returning Same String [duplicate]

...r ch; for (int i = 0; i < size; i++) { ch = Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65))); builder.Append(ch); } return builder.ToString(); } // get 1st random string string Rand1 = Random...
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How do I get a human-readable file size in bytes abbreviation using .NET?

...return "0" + suf[0]; long bytes = Math.Abs(byteCount); int place = Convert.ToInt32(Math.Floor(Math.Log(bytes, 1024))); double num = Math.Round(bytes / Math.Pow(1024, place), 1); return (Math.Sign(byteCount) * num).ToString() + suf[place]; } Also in c#, but should be a snap to conve...
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How to convert an object to a byte array in C#

... To convert an object to a byte array: // Convert an object to a byte array public static byte[] ObjectToByteArray(Object obj) { BinaryFormatter bf = new BinaryFormatter(); using (var ms = new MemoryStream()) { ...
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STL 算法 - C/C++ - 泛网 - 专注C/C++及内核技术

STL 算法目录STL算法概述查找算法堆算法关系算法集合算法排列组合算法排序和通用算法删除和替换算法生成和变异算法算数算法STL算法概述简介:STL算法... 目录 STL算法概述 查找算法 堆算法 关系算法 集合算法 排列组合算...
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Returning null as an int permitted with ternary operator but not if statement

...terprets true ? null : 0 as an Integer expression, which can be implicitly converted to int, possibly giving NullPointerException. For the second case, the expression null is of the special null type see, so the code return null makes type mismatch. ...
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T-SQL Cast versus Convert

What is the general guidance on when you should use CAST versus CONVERT ? Is there any performance issues related to choosing one versus the other? Is one closer to ANSI-SQL? ...
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How to delete an element from an array in C#

... You can also convert your array to a list and call remove on the list. You can then convert back to your array. int[] numbers = {1, 3, 4, 9, 2}; var numbersList = numbers.ToList(); numbersList.Remove(4); ...
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delegate keyword vs. lambda notation

... Even longer answer - there are fiddly reasons why they're convertible to different delegate types, too :) – Jon Skeet Nov 18 '08 at 19:33 ...