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Default initialization of std::array?
With C++11 std::array , do I have the guarantee that the syntax std::array<T, N> x; will default-initialize all the elements of the array ?
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Is cout synchronized/thread-safe?
In general I assume that streams are not synchronized, it is up to the user to do appropriate locking. However, do things like cout get special treatment in the standard library?
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list_display - boolean icons for methods
When defining the list_display array for a ModelAdmin class, if a BooleanField or NullBooleanField is given the UI will use nice looking icons instead of True/False text in the column. If a method that returns a boolean is given, however, it simply prints out True/False.
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How to copy yanked text to VI command prompt
I want to know if there is any way by which I can paste yanked text to the command window. For instance if I have yanked a word and I want to grep it in some location I can't simply paste the word using 'p'. However if I copy it to clipboard, Shift-Insert will paste the same thing.
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How to test if one java class extends another at runtime?
How to I test if a is a subclass of b ?
3 Answers
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What is the format specifier for unsigned short int?
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How to run Ruby code from terminal?
I need to run a few lines of Ruby code from terminal, but I can't find the needed parameter for it.
2 Answers
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A TwoWay or OneWayToSource binding cannot work on the read-only property
...error at runtime. I've set IsEnabled="False" , IsReadOnly="True" - no luck.
Other searches say the readonly should fix it, but not for me.
I've got an ugly workaround by adding a dummy setter...
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MySQL: Order by field size/length
Here is a table structure (e.g. test):
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