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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...
In Urlmon.dll, there's a function called FindMimeFromData.
From the documentation
MIME type detection, or "data sniffing," refers to the process of determining an appropriate MIME type from binary data. The final result depends on a combination of server...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...emember this when you create and access an array.
Array Length
In C#, usually, arrays are 0-based. It means that first element has index 0 and last element has index Length - 1 (where Length is total number of items in the array) so this code doesn't work:
array[array.Length] = 0;
Moreover plea...
When is an interface with a default method initialized?
...ough to trigger the initialization. The default method doesn't have to be called or overridden or even mentioned, nor does the presence of an abstract method trigger initialization.
My speculation is that the HotSpot implementation wanted to avoid adding class/interface initialization checking into...
Send email using java
....class", SSL_FACTORY);
props.setProperty("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.port", "465");
props.setProperty("mail.smtp.socketFactory.port", "465");
props.setProperty("mail.smtps.auth", "true");
/*
If set to fal...
Parsing JSON using Json.net
... @Marc Gravell: Thanks a lot! I knew nothing about JSon. But this example allowed me easily create configuration file (with hierarchical structure) for my application.
– Peter17
Apr 7 '11 at 15:17
...
How to style a checkbox using CSS
....
OLDER ANSWER
Here's a useful article about styling checkboxes. Basically, that writer found that it varies tremendously from browser to browser, and that many browsers always display the default checkbox no matter how you style it. So there really isn't an easy way.
It's not hard to imagine ...
Does PostgreSQL support “accent insensitive” collations?
...ch dictionary that removes accents (diacritic
signs) from lexemes.
Install once per database with:
CREATE EXTENSION unaccent;
If you get an error like:
ERROR: could not open extension control file
"/usr/share/postgresql/<version>/extension/unaccent.control": No such file or directory
...
Is a `=default` move constructor equivalent to a member-wise move constructor?
... decl-specifier-seqopt declarator virt-specifier-seqopt = default ;
is called an explicitly-defaulted definition. A function that is explicitly defaulted shall
be a special member function,
have the same declared function type (except for possibly differing ref-qualifiers and except that in the...
When to use the brace-enclosed initializer?
...py (=) initialization (because then in case of error, you'll never accidentally invoke an explicit constructor, which generally interprets the provided value differently). In places where copy initialization is not available, see if brace initialization has the correct semantics, and if so, use that...
Is recursion ever faster than looping?
...airly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. In some C compilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function...