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Android List Preferences: have summary as selected value?

... The simplest way to do this is just to have Android do it for you. Assuming you want the summary to match the selected value, you can simply set the summary of the ListPreference to "%s" using either XML or the setSummary method in Java. For example: <ListPrefere...
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How can I selectively escape percent (%) in Python strings?

...ve it break." >>> selectiveEscape = "Print percent %% in sentence and not %s" % test >>> print selectiveEscape Print percent % in sentence and not have it break. share | improve t...
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What does an exclamation mark mean in the Swift language?

...ome/None), not the value itself (T). So john isn't an instance of Person, and it doesn't have an apartment member: john.apartment // 'Person?' does not have a member named 'apartment' The actual Person value can be unwrapped in various ways: "forced unwrapping": john! (gives the Person value i...
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Remove all special characters from a string [duplicate]

...with URLs, I want to be able to convert titles that could contain anything and have them stripped of all special characters so they only have letters and numbers and of course I would like to replace spaces with hyphens. ...
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Can “git pull --all” update all my local branches?

I often have at least 3 remote branches: master, staging and production. I have 3 local branches that track those remote branches. ...
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Invalid date format specification in gemspec

I am getting the following error when I try to use gems in windows, and I also referred to this stackoverflow post and updated rubygems and rails. But nothing could solve the problem. ...
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha

... The regular expression you are after will most likely be huge and a nightmare to maintain especially for people who are not that familiar with regular expressions. I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am ...
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How to find the largest file in a directory and its subdirectories?

We're just starting a UNIX class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well. ...
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Python regex find all overlapping matches?

...he pattern. So it finds position 0 of the string, position 1 of the string and so on. Then it grabs group(1) - the matching pattern and makes a list of those. VERY cool. – Tal Weiss Jul 18 '13 at 20:28 ...
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How to combine two strings together in PHP?

...ays to concatenate two strings together. Use the concatenation operator . (and .=) In PHP . is the concatenation operator which returns the concatenation of its right and left arguments $data1 = "the color is"; $data2 = "red"; $result = $data1 . ' ' . $data2; If you want to append a string to anot...