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Stripping everything but alphanumeric chars from a string in Python
What is the best way to strip all non alphanumeric characters from a string, using Python?
11 Answers
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What is default color for text in textview?
I set the color to red , and after that I want to set the color again back to default, but I do not know what is default color, does anyone knows ?
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How do I use Wget to download all images into a single folder, from a URL?
I am using wget to download all images from a website and it works fine but it stores the original hierarchy of the site with all the subfolders and so the images are dotted around. Is there a way so that it will just download all the images into a single folder? The syntax I'm using at the moment i...
Avoid passing null as the view root (need to resolve layout parameters on the inflated layout's root
Passing null for root studio gives me this warning:
7 Answers
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how to override action bar back button in android?
I want to customize the activity back button in action bar, not in hard key back button. I have overriden the onBackPressed() method. It works with my emulator back button, but not with action bar back button.
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How to start new activity on button click
In an Android application, how do you start a new activity (GUI) when a button in another activity is clicked, and how do you pass data between these two activities?
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Why is `[` better than `subset`?
When I need to filter a data.frame, i.e., extract rows that meet certain conditions, I prefer to use the subset function:
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How to Programmatically Add Views to Views
Let's say I have a LinearLayout , and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?
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How to pass values between Fragments
I am pretty new to using Fragments.
17 Answers
17
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Can I convert a C# string value to an escaped string literal
In C#, can I convert a string value to a string literal, the way I would see it in code? I would like to replace tabs, newlines, etc. with their escape sequences.
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