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How to minify php page html output?

I am looking for a php script or class that can minify my php page html output like google page speed does. 13 Answers ...
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Remove unwanted parts from strings in a column

I am looking for an efficient way to remove unwanted parts from strings in a DataFrame column. 9 Answers ...
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How to write trycatch in R

I want to write trycatch code to deal with error in downloading from the web. 5 Answers ...
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AlertDialog.Builder with custom layout and EditText; cannot access view

I am trying to create an alert dialog with an EditText object. I need to set the initial text of the EditText programmatically. Here's what I have. ...
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How do I copy folder with files to another folder in Unix/Linux? [closed]

I am having some issues to copy a folder with files in that folder into another folder. Command cp -r doesn't copy files in the folder. ...
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Show hide fragment in android

I am developing application which contains 2 fragments and i want to show hide according to my need. Following code has simple example of my problem. This simple Fragmentactivity contains 1 button and one listfragment. ...
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Sorting a vector of custom objects

How does one go about sorting a vector containing custom (i.e. user defined) objects. Probably, standard STL algorithm sort along with a predicate (a function or a function object) which would operate on one of the fields (as a key for sorting) in the custom object should be used. Am I on the ...
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How to generate all permutations of a list?

How do you generate all the permutations of a list in Python, independently of the type of elements in that list? 33 Answer...
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Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds

In every project I've tried to create in Android Studio, all usages of R are marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code. ...
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How to add line breaks to an HTML textarea?

I’m editing a <textarea> with JavaScript. The problem is that when I make line breaks in it, they won’t display. How can I do this? ...