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Why do 64-bit DLLs go to System32 and 32-bit DLLs to SysWoW64 on 64-bit Windows?
I would like to know when do we need to place a file under
5 Answers
5
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How to find memory leak in a C++ code/project?
...house a string.
delete [] str; // Clear those 30 bytes and make str point nowhere.
2
Reallocate memory only if you've deleted. In the code below, str acquires a new address with the second allocation. The first address is lost irretrievably, and so are the 30 bytes that it pointed to. Now they'r...
Querying DynamoDB by date
...ps on the range key only. The hash key is required such that the service knows which partition to look in to find the data.
You can of course perform a scan operation to filter by the date value, however this would require a full table scan, so it is not ideal.
If you need to perform an indexed l...
Can a C++ enum class have methods?
...IsYellow() const { return value == Banana; }
private:
Value value;
};
Now you can write:
Fruit f = Fruit::Strawberry;
f.IsYellow();
And the compiler will prevent things like:
Fruit f = 1; // Compile time error.
You could easily add methods such that:
Fruit f("Apple");
and
f.ToString(...
What is the worst gotcha in C# or .NET? [closed]
...pect, that would probably have been a good idea, but I think it's too late now. It might also have looked like I was just trying to get more rep...
– Jon Skeet
Oct 28 '08 at 6:20
1...
Global and local variables in R
...d since it is not defined in this environment
get('var', envir=test.env) # now it can be found
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How do I unbind “hover” in jQuery?
...ing you to expressly remove each of the literal event names. Using $.off() now allows you to drop both mouse events using the same shorthand.
Edit 2016:
Still a popular question so it's worth drawing attention to @Dennis98's point in the comments below that in jQuery 1.9+, the "hover" event was de...
How to find the operating system version using JavaScript?
...Note that oscpu attribute gives you the Windows version. Also, you should know that:
'Windows 3.11' => 'Win16',
'Windows 95' => '(Windows 95)|(Win95)|(Windows_95)',
'Windows 98' => '(Windows 98)|(Win98)',
'Windows 2000' => '(Windows NT 5.0)|(Windows 2000)',
'Windows XP' => '(Windows...
What is a serialVersionUID and why should I use it?
...ersioning support of Serialization, (a) to ensure that the class really is now serialization-incompatible way, which per the specification is quite difficult to achieve; (b) to try a scheme such as custom read/writeObject() methods, readResolve/writeReplace() methods, serializableFields declarations...
How to get all child inputs of a div element (jQuery)
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Interesting... Now I'm confused... The : is for pseudo-classes, isn't it? But we want to select an element type. Why the :?
– mnemosyn
Mar 8 '10 at 16:15
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