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wildcard * in CSS for classes

I have these divs that I'm styling with .tocolor , but I also need the unique identifier 1,2,3,4 etc. so I'm adding that it as another class tocolor-1 . ...
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How to prevent multiple instances of an Activity when it is launched with different Intents

I've come across a bug in my application when it is launched using the "Open" button on the Google Play Store app (previously called Android Market). It seems that launching it from the Play Store uses a different Intent than launching it from the phone's application menu of icons. This is leadi...
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How to check if a file exists from inside a batch file [duplicate]

I need to run a utility only if a certain file exists. How do I do this in Windows batch? 3 Answers ...
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Print second last column/field in awk

I want to print the second last column or field in awk. The number of fields is variable. I know that I should be able to use $NF but not sure how it can be used. ...
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Show the progress of a Python multiprocessing pool imap_unordered call?

I have a script that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call: 9 Answers ...
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Is there a way to instantiate objects from a string holding their class name?

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What is the use of making constructor private in a class?

Why should we make the constructor private in class? As we always need the constructor to be public. 23 Answers ...
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load scripts asynchronously

I am using several plugins, custom widgets and some other libraries from JQuery. as a result I have several .js and .css files. I need to create a loader for my site because it takes some time to load. it will be nice if I can display the loader before importing all the: ...
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Is there a difference between foreach and map?

Ok this is more of a computer science question, than a question based on a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing? ...
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)

To help future viewers of this post, I created this demo of pluma's answer. 13 Answers ...