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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，...
...fore versioning of binary files should follow the lock-modify-unlock model[1]. This setup uses the following three measuresforces users to use property svn:needs-lock on newly added binary files. Denies commits when the property is not available
sets the svn:needs-lock property on all already ex...
Most efficient method to groupby on an array of objects
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Calculate date from week number
...kHolterman even with the fix by @RobinAndersson.
Reading up on the ISO 8601 standard resolves the issue nicely. Use the first Thursday as the target and not Monday. The code below will work for Week 53 of 2009 as well.
public static DateTime FirstDateOfWeekISO8601(int year, int weekOfYear)
{
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Django 1.7 - makemigrations not detecting changes
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If you're changing over from an existing app you made in django 1.6, then you need to do one p...
Iterate a list as pair (current, next) in Python
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Fastest way to replace NAs in a large data.table
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How to get the first and last date of the current year?
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Cosine Similarity between 2 Number Lists
...te the cosine similarity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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