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Xcode 4: create IPA file instead of .xcarchive

In Xcode 3.2.5 I use "Build And Archive" to create an IPA file. In Xcode 4 you can use "Product -> Archive" to archive an application in an .xcarchive bundle. ...
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tomcat - CATALINA_BASE and CATALINA_HOME variables

I have multiple instances of tomcat 6 running on the same server (Linux) and it works as expected. I am trying to find out what the standard practice is with regards to setting the CATALINA_HOME and CATALINA_BASE variables. ...
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How do I use extern to share variables between source files?

...ferenced in other source files, such as file2.c. It is important to understand the difference between defining a variable and declaring a variable: A variable is declared when the compiler is informed that a variable exists (and this is its type); it does not allocate the storage for the variable a...
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Difference between 'new operator' and 'operator new'?

What is difference between "new operator" and "operator new"? 8 Answers 8 ...
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What is the difference between MOV and LEA?

...urpose of LEA is to allow one to perform a non-trivial address calculation and store the result [for later usage] LEA ax, [BP+SI+5] ; Compute address of value MOV ax, [BP+SI+5] ; Load value at that address Where there are just constants involved, MOV (through the assembler's constant calculation...
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Java's Interface and Haskell's type class: differences and similarities?

...tain t). This is because with the kind of inheritance relationship in Java and similar languages, the method called depends on the type of object they are called on, and nothing else. That means it's really hard to make things like add :: t -> t -> t with an interface, where it is polymorphic...
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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate

Please help me understand where to use a regular JOIN and where a JOIN FETCH. 5 Answers ...
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Is inline assembly language slower than native C++ code?

I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code: ...
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How to search file text for a pattern and replace it with a given value

I'm looking for a script to search a file (or list of files) for a pattern and, if found, replace that pattern with a given value. ...
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Choosing a Windows automation scripting language. AutoIt vs Autohotkey [closed]

... I've used both very much. AutoHotKey is very good at managing hotkeys and basic GUI automation. It's syntax is horrible and it's not meant for bigger applications. AutoIt has almost every feature AutoHotKey has and much more. COM-automation support, arrays and a pretty nice UDF (User Defined ...