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AES vs Blowfish for file encryption
I want to encrypt a binary file. My goal is that to prevent anyone to read the file who doesn't have the password.
7 Answer...
Where do “pure virtual function call” crashes come from?
...or destructor (the derived class object hasn't been constructed or has already been destroyed), it calls the base class version, which in the case of a pure virtual function, doesn't exist.
(See live demo here)
class Base
{
public:
Base() { doIt(); } // DON'T DO THIS
virtual void doIt() ...
Renew Push certificate and keep current App Store App working
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EranEran
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Use of “this” keyword in formal parameters for static methods in C#
...od. See here for an explanation.
Extension methods allow developers to add new methods to the public
contract of an existing CLR type, without having to sub-class it or
recompile the original type. Extension Methods help blend the
flexibility of "duck typing" support popular within dynami...
Check if full path given
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Martin
10355 bronze badges
answered Apr 6 '11 at 10:43
detaylordetaylor
6,71611 gold badge2424 silv...
Read input from console in Ruby?
...o_i + b.to_i
puts c
Something like that?
Update
Kernel.gets tries to read the params found in ARGV and only asks to console if not ARGV found. To force to read from console even if ARGV is not empty use STDIN.gets
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How to evaluate a math expression given in string form?
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Abdull
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answered Aug 6 '10 at 11:35
RealHowToRealHowTo
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Does the APNS device token ever change, once created?
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iosCurator
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answered Jul 11 '11 at 16:16
malinoismalinois
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jQuery attr vs prop?
...utes. prop is for properties.
In older jQuery versions (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like:
var elem = $("#foo")[0];
if ( elem ) {
index = elem.selectedIndex;
}
That sucked, so prop was added:
index = ...
Hidden Features of Xcode
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Switch to Header/Source File
Option ⌥ Command ⌘ Up Arrow ↑
View > Switch to Header/Source File
Switches between the .m and .h files.
In Xcode 4 this is ctrl Command ⌘ Up Arrow ↑
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