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Comments in Android Layout xml

...nnot use it inside a tag. For example: <TextView android:text="@string/game_title" <!-- This is a comment --> android:layout_height="wrap_content" android:layout_width="fill_parent"/> is wrong and will give following error Element type "TextView" must be followed ...
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How does an underscore in front of a variable in a cocoa objective-c class work?

...ng more than a common convention, but a useful one), then you need to do 1 extra thing so the auto-generated accessor (for the property) knows which ivar to use. Specifically, in your implementation file, your synthesize should look like this: @synthesize missionName = _missionName; More generic...
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How do I get a div to float to the bottom of its container?

... Nope - this is not print publishing. There are some things that are extraordinarily difficult or impossible to accomplish using just html/css. – Traingamer Nov 25 '08 at 17:28 ...
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What to use as an initial version? [closed]

...rsion numbering system, where updates have been indicated by adding an extra digit at the end of the decimal, so that the version number asymptotically approaches π. This is a reflection of the fact that TeX is now very stable, and only minor updates are anticipated. The current ver...
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Where IN clause in LINQ [duplicate]

... this will compare string values, but what about ids?? – Jitendra Pancholi Feb 22 '13 at 7:32 ...
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Most efficient way to cast List to List

...return statement, it is apparently fine to use it on an assignment, so the extra "result" variable solves this problem. (It should be optimized away either by the compiler or by the JIT anyway.) share | ...
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Visibility of global variables in imported modules

...l = None if 'MYVAL' in os.environ: myval = os.environ['MYVAL'] As an extra precaution, handle the case when MYVAL is not defined inside the module. share | improve this answer | ...
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Go > operators

...ther languages, but because Go is a safer language than C/C++ it does some extra work when the shift count is a number. Shift instructions in x86 CPUs consider only 5 bits (6 bits on 64-bit x86 CPUs) of the shift count. In languages like C/C++, the shift operator translates into a single CPU instru...
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Sort objects in an array alphabetically on one property of the array

... @BenBarreth there is no reason to lower-case the strings. the whole point of localeCompare is to shunt the work of managing sort logic and locale quirks to the system. If doing a case-insensitive sort is normal for the locale, as it is in english, this will be done for you:...
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How to delete an object by id with entity framework

...Customer(int id) { using (var context = new Context()) { const string query = "DELETE FROM [dbo].[Customers] WHERE [id]={0}"; var rows = context.Database.ExecuteSqlCommand(query,id); // rows >= 1 - count of deleted rows, // rows = 0 - nothing to delete. } } ...