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How to use 'find' to search for files created on a specific date? [closed]
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ArveArve
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Procedure expects parameter which was not supplied
...GEMHLGEM
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JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
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StaxManStaxMan
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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...Log_Pos：下一个传输的主日志信息。
Relay_Master_Log_File & Exec_Master_Log_Pos：下一个执行的主日志信息。
Relay_Log_File & Relay_Log_Pos：下一个执行的中继日志信息。
理解这些日志信息的含义对于解决故障至关重要，后文会详细阐述。
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What is 'Pattern Matching' in functional languages?
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Understanding pattern matching requires explaining three parts:
Algebraic data types.
What pa...
Remove rows with all or some NAs (missing values) in data.frame
...cases(final), ]
gene hsap mmul mmus rnor cfam
2 ENSG00000199674 0 2 2 2 2
6 ENSG00000221312 0 1 2 3 2
na.omit is nicer for just removing all NA's. complete.cases allows partial selection by including only certain columns of the dataframe:
> final[comp...
abort: no username supplied (see “hg help config”)
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cjgcjg
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How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
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App Inventor 2 能否实现后台推送通知？源码级深度调研 - App应用开发 - 清...
...自己的连接）
3. 省电：所有 App 共享同一条系统级连接
4. 可靠性高：操作系统保证消息送达
App 内轮询（非真推送）
App 内 Timer -> 定时请求服务器 -> 获取数据
关键限制：App 必须在前台或后台运行，Android 会杀后台...
Make install, but not to default directories?
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answered Jul 13 '10 at 16:43
ThomasThomas
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