大约有 40,000 项符合查询结果(耗时:0.0493秒) [XML]

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How do I get a string format of the current date time, in python?

... #python3 import datetime print( '1: test-{date:%Y-%m-%d_%H:%M:%S}.txt'.format( date=datetime.datetime.now() ) ) d = datetime.datetime.now() print( "2a: {:%B %d, %Y}".format(d)) # see the f" to tell python this is a f string, no .format print(f"2b: {d:%B %d, %Y}") print(f"3...
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Why does the 260 character path length limit exist in Windows?

...iscussed in the following paragraphs), the maximum length for a path is MAX_PATH, which is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximu...
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What should I name a table that maps two tables together? [closed]

...oducts and another category for recipe. for both tables we will have recipe_categories and product_categories, and since we can't just "categories" table name for both tables, in order to prevent the conflict, the junction tables for product and recipe will be "recipe_recipe_categories" and "product...
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How to properly create composite primary keys - MYSQL

...is a gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 . ...
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Express res.sendfile throwing forbidden error

...ath.resolve('../../some/path/to/file.txt'); relative to file: path.resolve(__dirname+'../../some/path/to/file.txt'); From reading the link from @Joe's comment, it sounds like relative paths are a security risk if you accept user input for the path (e.g. sendfile('../.ssh/id_rsa') might be a hacker...
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How do I find the length of an array?

... there, it won't work, right? The question is why – A_Matar Feb 6 '15 at 18:55 5 @A_Matar - You c...
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Quora如何在快速开发中保持高品质代码 - 项目管理 - 清泛网 - 专注C/C++及内核技术

...模块/目录等级的代码“ownership”上添加标签,例如: __reviewer__ = 'vanessa, kornel' 如果提交新变更,系统就自动会分析文件(或其上层目录),将新审查者的名字添加到提交数据中。我们还有额外的规则将代码审核派发给合适的...
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Force R not to use exponential notation (e.g. e+10)?

... In rstudio, if you import a dataset and do train_sample_10k = format(train_sample_10k,scientific=FALSE) and reload, it will change scientific notations. – mixdev Nov 23 '14 at 5:21 ...
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

... select COUNT_BIG(*) FROM Traffic t CROSS JOIN Recipient r and SELECT COUNT_BIG(*) FROM Traffic t FULL JOIN Recipient r ON (1=1) they are the same. – urlreader Sep 20 '13 at 21:02 ...
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Rails 4: before_filter vs. before_action

In rails >4.0.0 generators creates CRUD operations with before_action not before_filter . It seems to do the same thing. So what's the difference between these two? ...