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Difference between InvariantCulture and Ordinal string comparison

...ld days before computers had lowercase letters, the uppercase letters were allocated first and thus had lower values than the lowercase letters added later). For example, by Ordinal: "0" < "9" < "A" < "Ab" < "Z" < "a" < "aB" < "ab" < "z" < "Á" < "Áb" < "á" < "...
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What is the method for converting radians to degrees?

...rads -> x*pi/180 I guess if you wanted to make a function for this [in PHP]: function convert($type, $num) { if ($type == "rads") { $result = $num*180/pi(); } if ($type == "degs") { $result = $num*pi()/180; } return $result; } Yes, that coul...
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Different results with Java's digest versus external utilities

...irtualization does violate the principle of least surprise and adds costs (allocation and runtime). Other operating systems manage to provide both better 32-on-64 support and better application virtualization with fewer snags/leaky abstractions (try running garbage collecting programs on Wow64, or t...
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NSOperation vs Grand Central Dispatch

...ations and NSOperationQueues. These are Cocoa objects, and they need to be allocated and deallocated. In an iOS application that I wrote which renders a 3-D scene at 60 FPS, I was using NSOperations to encapsulate each rendered frame. When I profiled this, the creation and teardown of these NSOperat...
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Best way to define private methods for a class in Objective-C

... @implementation MyClass id (^createTheObject)() = ^(){ return [[NSObject alloc] init];}; NSInteger (^addEm)(NSInteger, NSInteger) = ^(NSInteger a, NSInteger b) { return a + b; }; //public methods, etc. - (NSObject) thePublicOne { return createTheObject(); } @end I'm aware this is an ...
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What is the difference between a definition and a declaration?

...scope or function scope is a definition both in C and C++. In C because it allocates storage, and in C++ because it does not have the extern specifier or a linkage-specification. These amount to the same thing, which is what sbi says: in both cases this declaration specifies the object to which all ...
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no

...it needs to, without giving yourself problems later on, because you hadn't allocated enough time for the process to finish. You can also avoid locking up your program by multi-threading. – WonderWorker Jul 2 '15 at 15:57 ...
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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du

...o get the outer HTML and pass it to GrabzIt's API. – PHP Rocks May 11 '18 at 10:34 add a comment  |  ...
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How do servlets work? Instantiation, sessions, shared variables and multithreading

...guages which maintains the session by a cookie are sensitive as well, like PHP with PHPSESSID cookie, ASP.NET with ASP.NET_SessionID cookie, etcetera. That's also why URL rewriting with ;jsessionid=xxx as some JSP/Servlet MVC frameworks automatically do is frowned upon. Just make sure that session I...
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Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?

...ded to the existing value of "immutableString" The resultant value is then allocated to a new block of memory "immutableString" object now points to the newly created memory space Previously created memory space is now available for garbage collection. ...