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grep using a character vector with multiple patterns
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In addition to @Marek's comment about not including fixed==TRUE, you also need to not have the spaces in your regular expression. It should be "A1|A9|A6".
You also mention that there are lots of patterns. Assuming that they are in a vector
toMatch <- c("A1", "A9", "A6")...
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...。下面介绍一些常用的原型设计工具,供大家参考。
Axure Rp
Axure RP是美国Axure Software Solution 公司的旗舰产品,该原型设计工具可以专业快速地帮助完成定义需求规格负责设计功能和界面的原型设计者快速创建应用软件或Web网...
Check if option is selected with jQuery, if not select a default
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While I'm not sure about exactly what you want to accomplish, this bit of code worked for me.
<select id="mySelect" multiple="multiple">
<option value="1">First</option>
<option value="2">Second</option>
<option...
How to run a makefile in Windows?
...also use the normal command prompt and run vsvars32.bat (c:\Program Files (x86)\Microsoft Visual Studio 9.0\Common7\Tools for VS2008). This will set up the environment to run nmake and find the compiler tools.
share
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How to install latest version of Node using Brew
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@SabaAhang, see: Fix permissions on /usr/local for Homebrew ; ; gist.github.com/rpavlik/768518
– AnneTheAgile
Jul 8 '16 at 22:45
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How to get JS variable to retain value after page refresh? [duplicate]
... to permanently change a javascript variable? As in, if I set the variable X and make that equal to 1. Then onClick of a button change that variable to 2. How can I get that variable to stay at 2 on refresh of the page?
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Extract a substring according to a pattern
...ing, ":"), "[", 2)
## [1] "E001" "E002" "E003"
3) read.table
read.table(text = string, sep = ":", as.is = TRUE)$V2
## [1] "E001" "E002" "E003"
4) substring
This assumes second portion always starts at 4th character (which is the case in the example in the question):
substring(string, 4)
## [1] "E0...
Is it possible to decompile a compiled .pyc file into a .py file?
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Uncompyle6 works for Python 3.x and 2.7 - recommended option as it's most recent tool, aiming to unify earlier forks and focusing on automated unit testing. The GitHub page has more details.
if you use Python 3.7+, you could also try decompile3, a fork ...
Filtering DataGridView without changing datasource
...eveloping user control in C# Visual Studio 2010 - a kind of "quick find" textbox for filtering datagridview. It should work for 3 types of datagridview datasources: DataTable, DataBinding and DataSet.
My problem is with filtering DataTable from DataSet object, which is displayed on DataGridView.
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