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EF Code First foreign key without navigation property
...nage console) will run a SQL statement similar to this (for SQL Server):
ALTER TABLE [ChildTableName] ADD CONSTRAINT [FK_SomeName]
FOREIGN KEY ([ParentId]) REFERENCES [ParentTableName] ([Id])
CREATE INDEX [IX_SomeName] ON [ChildTableName] ([ParentId])
Alternatively, without migrations, you could...
How to deny access to a file in .htaccess
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Within an htaccess file, the scope of the <Files> directive only applies to that directory (I guess to avoid confusion when rules/directives in the htaccess of subdirectories get applied superceding ones from the parent).
So you can have:
<Files "log.txt"&g...
How do you set, clear, and toggle a single bit?
...Setting a bit
Use the bitwise OR operator (|) to set a bit.
number |= 1UL << n;
That will set the nth bit of number. n should be zero, if you want to set the 1st bit and so on upto n-1, if you want to set the nth bit.
Use 1ULL if number is wider than unsigned long; promotion of 1UL << n...
Use StringFormat to add a string to a WPF XAML binding
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Your first example is effectively what you need:
<TextBlock Text="{Binding CelsiusTemp, StringFormat={}{0}°C}" />
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Android Camera : data intent returns null
I have an android application which contains multiple activities.
11 Answers
11
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Using Case/Switch and GetType to determine the object [duplicate]
..., I'd use .ToString(). However, I would avoid it at all costs: IDictionary<Type, int> will do much better, visitor might be an overkill but otherwise it is still a perfectly fine solution.
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Difference between >>> and >>
... While I agree and appreciate that arithmetic shifts can be used to multiply signed numbers by 2^k, I find it weird that this is everyone's answer. A string of bits isn't a number, and >> can always be used on any string of bits: it always does the same thing regardless of the role that s...
How do you append an int to a string in C++? [duplicate]
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With C++11, you can write:
#include <string> // to use std::string, std::to_string() and "+" operator acting on strings
int i = 4;
std::string text = "Player ";
text += std::to_string(i);
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Performance surprise with “as” and nullable types
... of the boxed integer is not compatible with the memory layout of Nullable<int>. A conversion is required and the code is tricky due to possible boxed enum types. The JIT compiler generates a call to a CLR helper function named JIT_Unbox_Nullable to get the job done. This is a general purpo...
Multiple “order by” in LINQ
...gt; c.Category).OrderBy(n => n.Name) 2 times "orderBy" why is the result different?
– user545425
Jan 20 '11 at 16:44
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