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How to select a drop-down menu value with Selenium using Python?

...cting the option(s) you want. Here is an example: from selenium import webdriver b = webdriver.Firefox() b.find_element_by_xpath("//select[@name='element_name']/option[text()='option_text']").click() You can read more in: https://sqa.stackexchange.com/questions/1355/unable-to-select-an-option-u...
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Instance variables vs. class variables in Python

... one instance (which won't happen), all instance should have the same configuration. I wonder which of the following options would be better or more "idiomatic" Python. ...
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LEGO EV3 机器人按键控制 · App Inventor 2 中文网

... 下载 示例项目文件: EV3_ButtonControl.aia 机器人组装说明 请按照图1组装您的机器人。如果您的机器人结构有所不同,不必担心,只需确保两个电机(连接到端口B和C)位于机器人...
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Singleton: How should it be used

...I provided an answer that has links to a lot of questions/answers about singletons: More info about singletons here: 24 An...
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How can a LEFT OUTER JOIN return more records than exist in the left table?

I have a very basic LEFT OUTER JOIN to return all results from the left table and some additional information from a much bigger table. The left table contains 4935 records yet when I LEFT OUTER JOIN it to an additional table the record count is significantly larger. ...
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How to get last key in an array?

... A solution would be to use a combination of end and key (quoting) : end() advances array 's internal pointer to the last element, and returns its value. key() returns the index element of the current array position. So, a portion of cod...
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Concatenate text files with Windows command line, dropping leading lines

...file1.txt > out.txt or you can use copy. See copy /? for more. copy /b temp+file1.txt out.txt share | improve this answer | follow | ...
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What's the best three-way merge tool? [closed]

Subversion, Git, Mercurial and others support three-way merges (combining mine, theirs, and the "base" revision) and support graphical tools to resolve conflicts. ...
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When creating a service with sc.exe how to pass in context parameters?

... sc create <servicename> binpath= "<pathtobinaryexecutable>" [option1] [option2] [optionN] The trick is to leave a space after the = in your create statement, and also to use " " for anything containing special characters or spaces. It is ad...
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ReactJS Two components communicating

I just got started with ReactJS and am a little stuck on a problem that I have. 11 Answers ...