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How can I scroll a web page using selenium webdriver in python?

...selenium webdriver to parse through facebook user friends page and extract all ids from the AJAX script. But I need to scroll down to get all the friends. How can I scroll down in Selenium. I am using python. ...
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JavaScript null check

... @bfavaretto: Yep, so it might actually be a typo. But you never know… :D – Ry-♦ May 21 '13 at 14:42 ...
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Control the dashed border stroke length and distance between strokes

...th border-image Compatibility: It offers great browser support (IE 11 and all modern browsers). A normal border can be set as a fallback for older browsers. Let's create these These borders will display exactly the same cross-browser! Step 1 - Create a suitable image This example is 15 pixel...
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Passing a method as a parameter in Ruby

...ightedknn(data, vec1, k = 5, weightf = gaussian) ... weight = weightf.call(dist) ... end Just note that you can't set a default argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself. Or, depending on your scope of all this, it...
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Why is lock(this) {…} bad?

... It is bad form to use this in lock statements because it is generally out of your control who else might be locking on that object. In order to properly plan parallel operations, special care should be taken to consider possible deadlock situations, and having an unknown number of lock en...
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib

I just installed posgresql with homebrew and when I go on to type the command 22 Answers ...
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?

...s, so that you can access the other side without explicit queries. Also it allows you to apply cascading options to both directions. Note that navigational access is not always good, especially for "one-to-very-many" and "many-to-very-many" relationships. Imagine a Group that contains thousands of ...
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'console' is undefined error for Internet Explorer

...onsole = ... An undefined variable cannot be referred directly. However, all global variables are attributes of the same name of the global context (window in case of browsers), and accessing an undefined attribute is fine. Or use if (typeof console === 'undefined') console = ... if you want to a...
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How ListView's recycling mechanism works

So I have this problem I had before, and naturally I asked for help on here . Luksprog's answer was great because I had no idea about how ListView and GridView optimized itself with recycling Views. So with his advice I was able to change how I added Views to my GridView. Problem is now I have some...
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What is the difference between include and extend in Ruby?

...end Mod. In this case the individual object gets Mod's methods even though all other objects with the same class as o do not. share | improve this answer | follow ...