大约有 11,424 项符合查询结果（耗时：0.0144秒） [XML]
How to return result of a SELECT inside a function in PostgreSQL?
...SC;
END
$func$ LANGUAGE plpgsql;
The expression sum(t.cnt) OVER () is a window function. You could use a CTE instead of the subquery - pretty, but a subquery is typically cheaper in simple cases like this one.
A final explicit RETURN statement is not required (but allowed) when working with OUT ...
Convert string to integer type in Go?
...check if necessary). Result :
Path>go test -bench=. atoi_test.go
goos: windows
goarch: amd64
BenchmarkAtoi-2 100000000 14.6 ns/op
BenchmarkStrconvAtoi-2 30000000 51.2 ns/op
PASS
ok path 3.293s
...
How to parse a string to an int in C++?
...atest C standard also requires errno to have thread-local storage. Even on Windows, which is definitely not POSIX compliant, errno is thread-safe and, by extension, so is strtol.
– Dan Moulding
Apr 20 '12 at 11:34
...
Ignore mouse interaction on overlay image
...
So I did this and it works in Firefox 3.5 on Windows XP. It shows a box with some text, an image overlay, and a transparent div above that intercepts all clicks.
<div id="menuOption" style="border:1px solid black;position:relative;width:100px;height:40px;">
some...
Iterate over object keys in node.js
... if(!prop)
{
// Don't show / waste of space in console window...
//console.log(add + level + ": UNDEFINED [" + keys[i] + "]");
}
else
{
typer = typeof(prop);
if(typer == "function")
{
// Don't...
Disabling browser caching for all browsers from ASP.NET
...in .net).
<script language="javascript" type="text/javascript">
window.onbeforeunload = function () {
// This function does nothing. It won't spawn a confirmation dialog
// But it will ensure that the page is not cached by the browser.
}
</script>
This...
How to fix corrupted git repository?
...
didn't use the script as I'm on Windows, but those commands just saved my .git folder that was showing new repo for every save made on any tracked file (so I ended up with like 50 master repositories before I tried this fix)
– moped
...
What's the purpose of git-mv?
...f a file name on a case-insensitive file system. Both APFS (mac) and NTFS (windows) are, by default, case-insensitive (but case-preserving).
greg.kindel mentions this in a comment on CB Bailey's answer.
Suppose you are working on a mac and have a file Mytest.txt managed by git. You want to change ...
Difference between malloc and calloc?
... get known-zeroed pages from the OS (e.g. via POSIX mmap(MAP_ANONYMOUS) or Windows VirtualAlloc) so it doesn't need to write them in user-space. This is how normal malloc gets more pages from the OS as well; calloc just takes advantage of the OS's guarantee.
This means calloc memory can still be "...
What's the difference between “squash” and “fixup” in Git/Git Extension?
...including the current head
You have to edit the subsquent interactive edit window, leave the first item as "pick" and replace subsequent lines with "squash". The instructions in the link above are much clearer if this is opaque.
...