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What's the magic of “-” (a dash) in command-line parameters?
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If you mean the naked - at the end of the tar command, that's common on many commands that want to use a file.
It allows you to specify standard input or output rather than an actual file name.
That's the case for your first and t...
UIView's frame, bounds, center, origin, when to use what?
UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
is there a require for json in node.js
... to include a couple of JSON files in my JavaScript code that are in the same directory as my JavaScript source file.
6 Ans...
What is the difference between a map and a dictionary?
...map is a data structure that maps keys to values. Isn't a dictionary the same? What is the difference between a map and a dictionary 1 ?
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For files in directory, only echo filename (no path)
How do I go about echoing only the filename of a file if I iterate a directory with a for loop?
5 Answers
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Merge multiple lines (two blocks) in Vim
I'd like to merge two blocks of lines in Vim, i.e. take lines n..m and append them to lines a..b . If you prefer a pseudocode explanation: [a[i] + b[i] for i in min(len(a), len(b))]
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Why can I pass 1 as a short, but not the int variable i?
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What is PEP8's E128: continuation line under-indented for visual indent?
Just opened a file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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Is it possible to change the package name of an Android app on Google Play?
...ly possible, not whether it is easy or not, to change the actual package name of an Android app that is on Google Play. What I mean by package name is the name that will show up in the URL. Please, can anyone tell me why this is / is not possible?
Thanks!
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