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Return a value if no rows are found in Microsoft tSQL
Using a Microsoft version of SQL, here's my simple query. If I query a record that doesn't exist then I will get nothing returned. I'd prefer that false (0) is returned in that scenario. Looking for the simplest method to account for no records.
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What is the fastest integer division supporting division by zero no matter what the result is?
Summary:
4 Answers
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How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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What does %s mean in a python format string?
What does %s mean in Python? And what does the following bit of code do?
7 Answers
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Linux command to print directory structure in the form of a tree
Is there any linux command that I can call from a Bash script that will print the directory structure in the form of a tree, e.g.,
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Match whitespace but not newlines
I sometimes want to match whitespace but not newline.
6 Answers
6
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...用的结构类型,发现只有两个成员可以使用,即DOKAN_OPTIONS里的GlobalContext和DOKAN_FILE_INFO里的Context,其中GlobalContext只能用来存储全局的信息,比如存放线程实例的指针,这样一来,实际上就剩下 DOKAN_FILE_INFO里的Context 一个成员可...
In Python, what is the difference between “.append()” and “+= []”?
What is the difference between:
12 Answers
12
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Regex to replace multiple spaces with a single space
Given a string like:
23 Answers
23
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Reuse a parameter in String.format?
Does the hello variable need to be repeated multiple times in the call to the format method or is there a shorthand version that lets you specify the argument once to be applied to all of the %s tokens?
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