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GestureDetect 手势检测扩展：识别滑动、点击和长按手势 · App Inventor 2 中文网
...感组件限制：手势在触摸敏感的组件（如按钮、文本框、列表选择器等）上不起作用。如果需要检测手势，请确保排列中有足够的空白区域，或使用禁用点击的标签、图像等组件
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How to run SQL script in MySQL?
...to file is taking data dump, I guess SELECT ... INTO OUTFILE /path/to/file.csv is more efficient way. See options and syntax here - dev.mysql.com/doc/refman/5.7/en/select-into.html
– Anis
Feb 21 '18 at 6:43
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What is a vertical tab?
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And some data providers like TechData use it in CSV files to replace \n.
– Wiliam
Nov 12 '13 at 9:05
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Define variable to use with IN operator (T-SQL)
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There are two ways to tackle dynamic csv lists for TSQL queries:
1) Using an inner select
SELECT * FROM myTable WHERE myColumn in (SELECT id FROM myIdTable WHERE id > 10)
2) Using dynamically concatenated TSQL
DECLARE @sql varchar(max)
declare @list va...
Eclipse count lines of code
...the Eclipse Metrics Plugin. To create a HTML report (with optional XML and CSV) right-click a project -> Export -> Other -> Metrics.
You can adjust the Lines of Code metrics by ignoring blank and comment-only lines or exclude Javadoc if you want. To do this check the tab at Preferences -&g...
Remove duplicated rows
I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example:
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How to split a comma-separated string?
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A comma delimited file (csv) might have a a comma in quotes, meaning it's not a delimiter. In this case Split will not work.
– Steven Trigg
Mar 8 '14 at 2:35
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What is the difference between a web API and a web service?
...s not mean it SOAP base service REST also support Command Separated Value (CSV), JavaScript Object Notation (JSON) and Really Simple Syndication (RSS).
– Adiii
Aug 12 '17 at 4:03
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TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Linux设置成了30s）为什么要这有TIME_WAIT？为什么不直接给转成CLOSED状态呢？主要有两个原因：1）TIME_WAIT确保有足够的时间让对端收到了ACK，如果被动关闭的那方没有收到Ack，就会触发被动端重发Fin，一来一去正好2个MSL，2）有足...
How can I trim leading and trailing white space?
...le the trailing white spaces when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE.
If you want to clean strings afterwards you could use one of these functions:
# Returns string without leading white space
trim.leading <- function (x) sub("^\\...