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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...将value的地址放到 ebx中。
四、间接寻址语法
INTEL：Instr foo,segreg:[base+index*scale+disp]
AT&T：instr %segreg:disp(base,index,scale),foo
五、 后缀
AT&T 语法中大部分指令操作码的最后一个字母表示操作数大小， “b”表示 byte（一个字节...
Advantages of std::for_each over for loop
...his
for(auto it = collection.begin(); it != collection.end() ; ++it)
{
foo(*it);
}
Or this
for_each(collection.begin(), collection.end(), [](Element& e)
{
foo(e);
});
when the range-based for loop syntax is available:
for(Element& e : collection)
{
foo(e);
}
This kind of sy...
How to select the last record of a table in SQL?
...-incrementing field (say ID) then you can do something like:
SELECT * FROM foo WHERE ID = (SELECT max(ID) FROM foo)
Generating a SHA-256 hash from the Linux command line
I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using
http://hash.online-convert.com/sha256-generator
...
Parse XML using JavaScript [duplicate]
... Error("No XML parser found");
}
Example usage:
var xml = parseXml("<foo>Stuff</foo>");
alert(xml.documentElement.nodeName);
Which I got from https://stackoverflow.com/a/8412989/1232175.
share
|
...
from jquery $.ajax to angular $http
...rl: "http://example.appspot.com/rest/app",
method: "POST",
data: {"foo":"bar"}
}).then(function successCallback(response) {
// this callback will be called asynchronously
// when the response is available
$scope.data = response.data;
}, function errorCallback(resp...
'too many values to unpack', iterating over a dict. key=>string, value=>list
...lues in fields.iteritems():
... print field, values
...
first_names ['foo', 'bar']
last_name ['gravy', 'snowman']
Your problem was that you were looping over fields, which returns the keys of the dictionary.
>>> for field in fields:
... print field
...
first_names
last_name
...
How can I replace a newline (\n) using sed?
.../' file # to delete newlines from each line
sed 's/\n/foo\n/' file # to add a word to the end of each line
will NEVER work, because the trailing newline is removed before
the line is put into the pattern space. To perform the above tasks,
use one of these scripts inst...
What is the purpose of the var keyword and when should I use it (or omit it)?
...l scope (at which point it will create it):
// These are both globals
var foo = 1;
bar = 2;
function()
{
var foo = 1; // Local
bar = 2; // Global
// Execute an anonymous function
(function()
{
var wibble = 1; // Local
foo = 2; // Inherits from scope above (...
When is a function too long? [closed]
...er of times I've stumbled across someone's code with a line like: // fetch Foo's credentials where Bar is "uncomplete". That's almost certainly a function name right there and should be decoupled. Probably wants to be refactored into something like: Foo.fetchCredentialWhereBarUncomplete()
...