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How do I type using my keyboard on the iphone simulator?

...esponding to keystrokes, this fixed it. Quit the simulator. Go to finder and press (command+shift+G) then navigate ~/Library/Preferences. Move com.apple.iphonesimulator.plist to the trash. Try launching your iPhone app in the simulator again. ...
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How to check if a float value is a whole number

...ke into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real number). But adjusting your loop a little this gives: >>> for n in range(12000, -1,...
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Difference between “andand && in Ruby?

What is the difference between the && and and operators in Ruby? 7 Answers ...
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How to select all instances of a variable and edit variable name in Sublime

...dn't work? Try again, making sure to start with nothing selected. More commands: Find All: Ctrl⌘G selects all occurences at once. Not on a Mac? AltF3 Undo Selection: ⌘U steps backwards. Not on a Mac? CtrlU Quick Skip Next: ⌘K⌘D skips the next occurence. Not on a Mac? CtrlKCtrlD Sublime Docs...
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Get size of folder or file

...using the listFiles() method of a file object that represents a directory) and accumulate the directory size for yourself: public static long folderSize(File directory) { long length = 0; for (File file : directory.listFiles()) { if (file.isFile()) length += file.length(...
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Mod of negative number is melting my brain

... @RuudLenders: No. If x = -5 and m = 2, then r = x%m is -1, after which r+m is 1. The while loop is not needed. The point is that (as I wrote in the answer), x%m is always strictly greater than -m, so you need to add m at most once to make it positive. ...
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Else clause on Python while statement

...as an if/else construct with respect to the condition: if condition: handle_true() else: handle_false() is analogous to the looping construct: while condition: handle_true() else: # condition is false now, handle and go on with the rest of the program handle_false() An exam...
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How can I make Flexbox children 100% height of their parent?

... Please add removing height: 100% to the answer - I nearly gave up and only saw this at the last moment before reverting to absolute - which comes with all sorts of problems. – Peter May 2 at 10:18 ...
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How can I read command line parameters from an R script?

I've got a R script for which I'd like to be able to supply several command-line parameters (rather than hardcode parameter values in the code itself). The script runs on Windows. ...
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Android, getting resource ID from string?

...ne of my classes. It needs to use both the id that the reference points to and also it needs the string. How should I best achieve this? ...