大约有 36,010 项符合查询结果（耗时：0.0434秒） [XML]
Twitter API returns error 215, Bad Authentication Data
... our parameters
// are already encoded, and must be by this point, so we undo
// the encoding step
$querystring = urldecode(http_build_query($arr, '', '&'));
$url = "https://$host$path";
// mash everything together for the text to hash
$base_string = $method."&".rawurlencode($url)."&"....
What is DOM Event delegation?
...
DOM event delegation is a mechanism of responding to ui-events via a single common parent rather than each child, through the magic of event "bubbling" (aka event propagation).
When an event is triggered on an element, the f...
Intelligent point label placement in R
...a PNG for uploading to SO.)
Now, before you succumb to the strong urge to down vote this into oblivion and leave snarky comments about how the point is to automate this process, hear me out!
Looking for algorithmic solutions is totally fine, and (IMHO) really interesting. But, to me, point labelin...
Calling a function from a string in C#
...
Thanks @ottobar for the response. I don't know if this is what I am also looking for: I needed to use an SQL scalar function in my c# code. How do i call it?
– Chagbert
Sep 22 '15 at 8:23
...
Using global variables in a function
...eyword is because globals are dangerous. Rather, it's because the language doesn't require you to explicitly declare variables and automatically assumes that a variable that you assign has function scope unless you tell it otherwise. The global keyword is the means that is provided to tell it otherw...
PowerShell script to return versions of .NET Framework on a machine?
...(note that it outputs separate version numbers for WCF & WPF on 3.0. I don't know what that's about). It also outputs both Client and Full on 4.0 (if you have them both installed):
Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -recurse |
Get-ItemProperty -name Version,Release...
jQuery: keyPress Backspace won't fire?
I wonder what I'm doing wrong:
4 Answers
4
...
Providing a default value for an Optional in Swift?
...ling with optionals in Swift seems excessively verbose, if all you want to do is provide a default value in the case where it's nil:
...
Select n random rows from SQL Server table
... about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and then selecting from that table w...
Should I use Java's String.format() if performance is important?
...
Another poorly implemented micro-benchmark. How do both methods scale by orders of magnitude. How about using, 100, 1000, 10000, 1000000, operations. If you only run one test, on one order of magnitude, on a application that isn't running on an isolated core; there's no wa...