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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...
What is token-based authentication?
I want to understand what token-based authentication means. I searched the internet but couldn't find anything understandable.
...
What is the difference between Swing and AWT?
Can someone please explain me what's the difference between Swing and AWT?
8 Answers
8...
GitHub pull request showing commits that are already in target branch
... GitHub to a branch that isn't master. The target branch was behind master and the pull request showed commits from master, so I merged master and pushed it to GitHub, but the commits and diff for them still appear in the pull request after refreshing. I've doubled checked that the branch on GitHub ...
Is using a lot of static methods a bad thing?
...eep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be able to adjust, then I add a constructor to set C and don't use a static transform.
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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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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...
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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Does JavaScript have the interface type (such as Java's 'interface')?
...ect with the proper methods, which would make it conform to the interface, and then undefine all the stuff that made it conform. It'd be so easy to subvert the type system -- even accidentally! -- that it wouldn't be worth it to try and make a type system in the first place.
Instead, JavaScript us...
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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