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Do I have to Close() a SQLConnection before it gets disposed?

... The using keyword will close the connection correctly so the extra call to Close is not required. From the MSDN article on SQL Server Connection Pooling: "We strongly recommend that you always close the connection when you are finished using it so that the connection will be...
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How can I make my custom objects Parcelable?

...plementation. public class Student implements Parcelable{ private String id; private String name; private String grade; // Constructor public Student(String id, String name, String grade){ this.id = id; this.name = name; t...
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How to get error message when ifstream open fails

How to get error message as string? 4 Answers 4 ...
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Combining C++ and C - how does #ifdef __cplusplus work?

...for functions with names like _Z1hic when you were looking for void h(int, char) 5: This sort of mixing is a common reason to use extern "C", and I don't see anything wrong with doing it this way -- just make sure you understand what you are doing. ...
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Android: Coloring part of a string using TextView.setText()?

... Use spans. Example: final SpannableStringBuilder sb = new SpannableStringBuilder("your text here"); // Span to set text color to some RGB value final ForegroundColorSpan fcs = new ForegroundColorSpan(Color.rgb(158, 158, 158)); // Span to make text bold fina...
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How to len(generator()) [duplicate]

...lution as it describes what I want to get, and it doesn't give me anything extra that's not required (such as a list of all the elements). Also listen to delnan's advice: If you're discarding the output of the generator it is very likely that there is a way to calculate the number of elements witho...
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How do I log a Python error with debug information?

... problem is that traceback lines could have \n inside, so we need to do an extra work to get rid of this line endings: import logging logger = logging.getLogger('your_logger_here') def log_app_error(e: BaseException, level=logging.ERROR) -> None: e_traceback = traceback.format_exception(e...
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PendingIntent does not send Intent extras

... Following code should work:- int icon = R.drawable.icon; String message = "hello"; long when = System.currentTimeMillis(); NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); Notification notification = new Notific...
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Convert Rows to columns using 'Pivot' in SQL Server

...rate the week number dynamically, your code will be: DECLARE @cols AS NVARCHAR(MAX), @query AS NVARCHAR(MAX) select @cols = STUFF((SELECT ',' + QUOTENAME(Week) from yt group by Week order by Week FOR XML PATH(''), TYPE ...
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Why is it common to put CSRF prevention tokens in cookies?

...o harm, so this is fine. @WebFilter(urlPatterns = {"/dataservice/*"}) ... String sessionCSRFToken = req.getSession().getAttribute("CSRFToken") != null ? (String) req.getSession().getAttribute("CSRFToken") : null; if (sessionCSRFToken == null || req.getHeader("X-CSRF-TOKEN") == null || !req.getHeade...