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How to delete selected text in the vi editor
...linewise selection mode, then move the cursor down using j (yes, use h, j, k and l to move left, down, up, right respectively, that's much more efficient than using the arrows) and type d to delete the selection.
Also, how can I select the lines using my keyboard as I can in Windows where I pre...
How to make a background 20% transparent on Android
How do I make the background of a Textview about 20% transparent (not fully transparent), where there is a color in the background (i.e. white)?
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Determining if a number is either a multiple of ten or within a particular set of ranges
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For the first one, to check if a number is a multiple of use:
if (num % 10 == 0) // It's divisible by 10
For the second one:
if(((num - 1) / 10) % 2 == 1 && num <= 100)
But that's rather dense, and you might be better off just listing...
Custom Drawable for ProgressBar/ProgressDialog
...oogle has provided, I get the feeling that it is possible to change the look (drawable) of a ProgressBar/ProgressDialog by simply creating a new style an assigning it to the style property of the ProgressBar. But I cannot get this to work properly. Here is what I did so far:
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A Space between Inline-Block List Items [duplicate]
Why do the inline-block list items have a space in them? No matter how I make my list items into a menu, I always get spaces.
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Python coding standards/best practices [closed]
...with Python Style Guides, I suggest that you refer the following:
Code Like a Pythonista: Idiomatic Python
Common mistakes and Warts
How not to write Python code
Python gotcha
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Subtract two variables in Bash
...s of files between two directories but the COUNT= expression does not work. What is the correct syntax?
8 Answers
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Max length for client ip address [duplicate]
...Pv6 addresses in this format.
Edit: However, there is a caveat, see @Deepak's answer for details about IPv4-mapped IPv6 addresses. (The correct maximum IPv6 string length is 45 characters.)
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How to set cursor position in EditText?
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NotACleverManNotACleverMan
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When should I use the HashSet type?
... can do with a single set is to establish what its members are, and to check whether an item is a member.
Asking if you can retrieve a single element (e.g. set[45]) is misunderstanding the concept of the set. There's no such thing as the 45th element of a set. Items in a set have no ordering. Th...