大约有 40,000 项符合查询结果(耗时:0.0483秒) [XML]

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How do I display the current value of an Android Preference in the Preference summary?

...public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { Preference pref = findPreference(key); if (pref instanceof ListPreference) { ListPreference listPref = (ListPreference) pref; pref.setSummary(listPref.getEntry()); } } This is easi...
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How do I perform an IF…THEN in an SQL SELECT?

...3053/… for an interesting discussion. I the two links you provide do add extra context, which I support. – Sam Saffron Aug 19 '11 at 2:47 ...
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How do I convert seconds to hours, minutes and seconds?

...perations: m, s = divmod(seconds, 60) h, m = divmod(m, 60) And then use string formatting to convert the result into your desired output: print('{:d}:{:02d}:{:02d}'.format(h, m, s)) # Python 3 print(f'{h:d}:{m:02d}:{s:02d}') # Python 3.6+ ...
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Ignoring directories in Git repositories on Windows

... or just add an extra . at the end so explorer stops thinking .gitignore is the extension. Then on entry that trailing dot with no extension just gets eaten and you are left with .gitignore TL;DR: try to name it .gitignore. => you end up...
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Learning assembly [closed]

...am - and finally give g to run it. (INT 21 display on screen the ASCII char stored in the DL register if the AH register is set to 2 -- INT 20 terminates the program) share | improve this answer...
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How to call an async method from a getter or setter?

...alue will get populated without blocking the UI, when getTitle() returns. string _Title; public string Title { get { if (_Title == null) { Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); }); } return _Title;...
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How to read multiple text files into a single RDD?

...t is only python syntax. The Scala equivalent would be sc.textFile(files.mkString(",")) – Davos Jun 25 '17 at 15:09 add a comment  |  ...
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Margin while printing html page

... DIV to simulate the print margin. Unfortunately, I don't believe you have extra control over the print functionality apart from just show the print dialog box. share | improve this answer ...
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sed error: “invalid reference \1 on `s' command's RHS”

... Sorry. The edit raises the error: sed: -e expression #7, char 58: Invalid range end. @Denis' answer works. – JJD May 19 '13 at 18:29 ...
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How to determine the current shell I'm working on

...nd that if you do this from within a subshell then it can lead to spurious extra lines by matching the parent's PID as well as the actual shell process. For this, I use -q instead of -p: SHELL=$(ps -ocomm= -q $$) – Steve Dec 28 '17 at 23:09 ...