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WebDriver: check if an element exists? [duplicate]
How to check if an element exist with web driver?
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Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
I have a stylesheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?...
How to dynamically create CSS class in JavaScript and apply?
I need to create a CSS stylesheet class dynamically in JavaScript and assign it to some HTML elements like - div, table, span, tr, etc and to some controls like asp:Textbox, Dropdownlist and datalist.
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Hidden Features of C#? [closed]
This came to my mind after I learned the following from this question :
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Invert “if” statement to reduce nesting
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How does a debugger work?
I keep wondering how does a debugger work? Particulary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
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What's the difference between ES6 Map and WeakMap?
Looking this and this MDN pages it seems like the only difference between Maps and WeakMaps is a missing "size" property for WeakMaps. But is this true? What's the difference between them?
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Restore a postgres backup file using the command line?
I'm new to postgresql, and locally, I use pgadmin3. On the remote server, however, I have no such luxury.
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MySQL Error 1093 - Can't specify target table for update in FROM clause
I have a table story_category in my database with corrupt entries. The next query returns the corrupt entries:
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How to pass arguments to a Button command in Tkinter?
Suppose I have the following Button made with Tkinter in Python:
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