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How do you set EditText to only accept numeric values in Android?
...ve an EditText in which I want only integer values to be inserted. Can somebody tell me which property I have to use?
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How to map with index in Ruby?
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If you're using ruby 1.8.7 or 1.9, you can use the fact that iterator methods like each_with_index, when called without a block, return an Enumerator object, which you can call Enumerable methods like map on. So you can do:
arr.each_with_index.map { |x,i| [x, i+2] }
In 1.8.6 you can do:
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Where does the .gitignore file belong?
Does the .gitignore file belong in the .git folder structure somewhere or in the main source files?
8 Answers
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Is it possible to view bytecode of Class file? [duplicate]
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By default private methods are not included. Use -p to include them as well.
– Chih-Hsuan Yen
Feb 24 '16 at 16:40
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How to discard all changes made to a branch?
...ry version. I thought git checkout design would do it, but it just tells me I'm already in branch design and that I have 3 modified files.
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What is the source code of the “this” module doing?
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And that can actually be implemented more simply in both 2.x and 3.x as import codecs; print(codecs.decode(s, "rot-13")). Writing the algorithm out by hand like that was just further obfuscation of the easter egg.
– ncoghlan
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java : convert float to String and String to float
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Do i need to import something for this to work? I get undefied type 'Float' (I'm in a weird java environment though, openhab scripts)
– Jonathan
Feb 5 '15 at 13:25
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Multiplication on command line terminal
I'm using a serial terminal to provide input into our lab experiment. I found that using
8 Answers
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Removing path and extension from filename in powershell
...of strings which are full paths to files. I'd like to save just the filename, without the file extension and the leading path. So from this:
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How to print a groupby object
... __iter__(）also works. It returns Generator yielding sequence of (name, subsetted object) for each group
– Jeremy Z
Apr 27 '18 at 5:44
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