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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... mov [new_IVT], cx ; limit of new IVT
mov dword [new_IVT+2], 0x8000 ; base of new IVT
mov si, [old_IVT+2]
mov di, [new_IVT+2]
rep movsb
lidt [new_IVT] ; set new IVT
...
Merging 2 branches together in GIT
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Say the file in A contained the word "hello", the A amended it to "HELLO" and B amended it to "Hello world". What would be the outcome of merging these files?
– dotty
Aug 4 '10 at 10:23
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How to parse freeform street/postal address out of text, and into components
...cuments the many formats of addresses that are possible, with all their keywords and variatons. Worst of all, addresses are often ambiguous. Words can mean more than one thing ("St" can be "Saint" or "Street") and there are words that I'm pretty sure they invented. (Who knew that "Stravenue" was a s...
What does Bump Version stand for?
...out only changing a version number in a config file for example? In other words, are there any technical details about how this term can be used?
– Alexey
May 13 '14 at 9:01
3
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What's the difference between “static” and “static inline” function?
...er may ignore it, and most compilers will try to "inline" even when the keyword is not used, as part of the optimizations, where its possible.
for example:
static int Inc(int i) {return i+1};
.... // some code
int i;
.... // some more code
for (i=0; i<999999; i = Inc(i)) {/*do something here*/}...
Assign variable in if condition statement, good practice or not? [closed]
...re testing for fail/success of a function that returns a boolean. In other words, while if (resultArr = myNeedle.exec(myHaystack)) {...} works, if ((resultArr = myNeedle.exec(myHaystack)) === true) {...} does not because the assignment to resultArr is always truthy even when the function result is ...
Sort array of objects by single key with date value
...sorts alphabetically by string, or numerically by number, and ensures that words beginning with Capital letters don't sort above words starting with a lower case letter (e.g "apple,Early" would be displayed in that order).
function sortByKey(array, key) {
return array.sort(function(a, b) {
...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...dern computer reads from or writes to a memory address, it will do this in word sized chunks (e.g. 4 byte chunks on a 32-bit system). Data alignment means putting the data at a memory offset equal to some multiple of the word size, which increases the system's performance due to the way the CPU hand...
Bash if [ false ] ; returns true
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bash has no Boolean data type, and so no keywords representing true and false. The if statement merely checks if the command you give it succeeds or fails. The test command takes an expression and succeeds if the expression is true; a non-empty string is an expression ...
How to Create Deterministic Guids
...Wikipedia gives a good overview of the versions. (Note that the use of the word 'version' here seems to describe a 'type' of UUID - version 5 doesn't supercede version 4).
There seem to be a few libraries out there for generating version 3/5 UUIDs, including the python uuid module, boost.uuid (C++)...