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JavaScript and Threads
...onBat JavaScript Benchmark (first link)
The Gears plugin can also be installed in Firefox.
Safari 4, and the WebKit nightlies have worker threads:
JavaScript Ray Tracer
Chrome has Gears baked in, so it can do threads, although it requires a confirmation prompt from the user (and it uses a d...
What does template mean?
...
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
share
|
improve t...
Why do we need C Unions?
...efined behavior should be removed. It is, in fact, defined behavior. See footnote 82 of the C99 standard: If the member used to access the contents of a union object is not the same as the member last used to store a value in the object, the appropriate part of the object representation of the val...
What is the JavaScript convention for no operation?
... "function" // returns true
It can be invoked as a function and essentially does nothing as shown here:
setTimeout(function() {
console.log('Start: ', Date.now());
Function.prototype();
console.log('End : ', Date.now());
}, 1000);
Although this is a "true noop" since...
pretty-print JSON using JavaScript
...s + '">' + match + '</span>';
});
}
var obj = {a:1, 'b':'foo', c:[false,'false',null, 'null', {d:{e:1.3e5,f:'1.3e5'}}]};
var str = JSON.stringify(obj, undefined, 4);
output(str);
output(syntaxHighlight(str));
pre {outline: 1px solid #ccc; padding: 5px; margin: 5px; }
.string...
How to remove a field from params[:something]
... = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging and maintenance of your code very hard over time).
Or you could just pass direc...
关于jQuery的AJAX不兼容IE的解决办法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...查看手册后发现请求的数据格式还是有一种JSON格式，如{foo:["bar1", "bar2"]} ，然后就按照这种格式书写，还真的返回了正确的查询结果。真不知道IE还有这点要求。（完）
先前的格式：
type: "get",
data: "bid="+my_bid+"&name_cn="+...
Should I use `import os.path` or `import os`?
...ant to use rather than a thing in the os module, so even though it's not really a submodule of a package called os, I import it sort of like it is one and I always do import os.path. This is consistent with how os.path is documented.
Incidentally, this sort of structure leads to a lot of Python p...
ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
...
Deleting Objects in JavaScript
...a C++ delete. (And accessing one of them would cause a crash. To make them all turn null would mean having extra work when deleting or extra memory for each object.)
Since Javascript is garbage collected, you don't need to delete objects themselves - they will be removed when there is no way to ref...