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SVN needs-lock 设置强制只读属性（官方资料） - 环境配置 - 清泛IT论坛，...
Automatic lock-modify-unlock
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Different versions of binary files cannot be merged. Therefore versioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measuresforces users to use property svn:...
SPAN vs DIV (inline-block)
Is there any reason to use a <div style="display:inline-block"> instead of a <span> to layout a webpage?
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Cycles in family tree software
...eveloper of some family tree software (written in C++ and Qt). I had no problems until one of my customers mailed me a bug report. The problem is that the customer has two children with their own daughter, and, as a result, he can't use my software because of errors.
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Best practices/performance: mixing StringBuilder.append with String.concat
I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this
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Reusable library to get human readable version of file size?
There are various snippets on the web that would give you a function to return human readable size from bytes size:
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How to return a part of an array in Ruby?
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Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for the array index method:
--------------------------------------------------------------- Array#[]
array[index] -> obj...
Repeat string to certain length
... is an efficient way to repeat a string to a certain length? Eg: repeat('abc', 7) -> 'abcabca'
13 Answers
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Convert integer into byte array (Java)
what's a fast way to convert an Integer into a Byte Array ?
11 Answers
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How to initialize const member variable in a class?
When I am trying to initialize the const member variable t with 100. But it's giving me the following error:
11 Answers
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How do I (or can I) SELECT DISTINCT on multiple columns?
I need to retrieve all rows from a table where 2 columns combined are all different. So I want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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