大约有 40,000 项符合查询结果（耗时：0.0512秒） [XML]
Why were pandas merges in python faster than data.table merges in R in 2012?
...orward.
I'll need some time to confirm as it's the first I've seen of the comparison to data.table as presented.
UPDATE from data.table v1.8.0 released July 2012
Internal function sortedmatch() removed and replaced with chmatch()
when matching i levels to x levels for columns of type 'f...
Is there a .NET/C# wrapper for SQLite? [closed]
...e.
System.Data.SQLite was started by Robert Simpson. Robert still has commit privileges on this repository but is no longer an active contributor. Development and maintenance work is now mostly performed by the SQLite Development Team. The SQLite team is committed to supporting System.Data.SQLi...
Programmatically add custom event in the iPhone Calendar
...hould request access to the user's calendar via "requestAccessToEntityType:completion:" and execute the event handling inside of a block.
2) You need to commit your event now or pass the "commit" param to your save/remove call
Everything else stays the same...
Add the EventKit framework and #impo...
Unique Key constraints for multiple columns in Entity Framework
...he answer for using the fluent API see Niaher's answer below stackoverflow.com/a/25779348/2362036
– tekiegirl
Oct 29 '14 at 13:37
8
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comparing 2 strings alphabetically for sorting purposes
I'm trying to compare 2 strings alphabetically for sorting purposes. For example I want to have a boolean check like if('aaaa' < 'ab') . I tried it, but it's not giving me correct results, so I guess that's not the right syntax. How do I do this in jquery or Javascript?
...
Iterating over dictionaries using 'for' loops
...e overall time. This is discussed in Raymond Hettinger's tech talk youtube.com/watch?v=anrOzOapJ2E
– quiet_penguin
Jul 28 '17 at 9:43
31
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What is the non-jQuery equivalent of '$(document).ready()'?
... assets and images. $(document).ready, however, fires when the DOM tree is complete and can be manipulated. If you want to acheive DOM ready, without jQuery, you might check into this library. Someone extracted just the ready part from jQuery. Its nice and small and you might find it useful:
domrea...
Is there a way to get element by XPath using JavaScript in Selenium WebDriver?
...body[1]/div[1]") );
<div>foo</div>
https://gist.github.com/yckart/6351935
There's also a great introduction on mozilla developer network: https://developer.mozilla.org/en-US/docs/Introduction_to_using_XPath_in_JavaScript#document.evaluate
Alternative version, using XPathEvalu...
String.Join method that ignores empty strings?
...em.Array'". And I don't see anything about 'Where' on MSDN: msdn.microsoft.com/en-us/library/system.array.aspx
– Doug
May 2 '13 at 12:55
1
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How to RedirectToAction in ASP.NET MVC without losing request data
...
The solution is to use the TempData property to store the desired Request components.
For instance:
public ActionResult Send()
{
TempData["form"] = Request.Form;
return this.RedirectToAction(a => a.Form());
}
Then in your "Form" action you can go:
public ActionResult Form()
{
/*...