大约有 22,700 项符合查询结果（耗时：0.0225秒） [XML]
Cluster analysis in R: determine the optimal number of clusters
...Look for a bend or elbow in the sum of squared error (SSE) scree plot. See http://www.statmethods.net/advstats/cluster.html & http://www.mattpeeples.net/kmeans.html for more. The location of the elbow in the resulting plot suggests a suitable number of clusters for the kmeans:
mydata <- d
ws...
Finding the id of a parent div using Jquery
...nt from the jQuery object, in this case element 0, thus the first element. http://docs.jquery.com/Selectors/eq#index
$(selector).siblings(siblingsSelector) will select all siblings (elements with the same parent) that match the siblingsSelector http://docs.jquery.com/Traversing/siblings#expr
$(selec...
Android LinearLayout Gradient Background
...t;?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="50dip"
android:orientation="horizontal"
android:background="@drawable/main_header_selector">
</Linear...
Setting multiple attributes for an element at once with JavaScript
...key, attrs[key]);
}
}
Call it like this:
setAttributes(elem, {"src": "http://example.com/something.jpeg", "height": "100%", ...});
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Programmer-friendly search engine? [closed]
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Try http://www.symbolhound.com .
This seems to solve your problem. SymbolHound is a search engine that doesn't ignore symbols or special characters in web queries like google does. It's not a source code search, either. Hope th...
Best Practices for securing a REST API / web service [closed]
...nst both accidental and malicious request replaying.
The nice thing about HTTP Basic is that virtually all HTTP libraries support it. You will, of course, need to require SSL in this case because sending plaintext passwords over the net is almost universally a bad thing. Basic is preferable to Dige...
In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...d, due to timeouts or data eof. On server side it is still treated like an HTTP request, same as AJAX, except the answer on request will happen now or some time in the future, defined by the application logic.
support chart (full) | wikipedia
WebSockets - client ↔ server. Create a TCP connection ...
How to scale Docker containers in production
...r on Tsuru as it supports docker-cluster and segregated scheduler deploy
http://blog.tsuru.io/2014/04/04/running-tsuru-in-production-scaling-and-segregating-docker-containers/
Update 7
Docker-based environments orchestration
maestro-ng
Update 8
decking.io
Update 9
Google kubernetes
Update...
Best programming based games [closed]
...real robots.
As mentioned earlier by Proud, there is a wiki page for it:
http://en.wikipedia.org/wiki/RoboWar
Although there has not been a lot of activity surrounding the game over the last few years, there was a tournament held recently, and there is a yahoo email group.
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Why is AJAX returning HTTP status code 0?
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I'm confused. Is there no way to get the HTTP error code returned? This is a lot of different cases here (415, 404, etc?)
– Edwin Evans
Jul 26 '18 at 20:41
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