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What is HTML5 ARIA?
...sistive technologies like screen readers. Of course, for ARIA to work, the HTTP user agent that interprets the markup needs to support ARIA, but the spec is created in such a way, as to allow down-level user agents to ignore the ARIA-specific markup safely without affecting the web app's functionali...
how do I make a single legend for many subplots with matplotlib?
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figlegend may be what you're looking for: http://matplotlib.org/api/pyplot_api.html#matplotlib.pyplot.figlegend
Example here: http://matplotlib.org/examples/pylab_examples/figlegend_demo.html
Another example:
plt.figlegend( lines, labels, loc = 'lower center', nco...
Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方式到达服务器，这种方式可能是通过网络协议（例如 HTTP、FTP 或 POP）、通过 JMS 队列或者可能通过轮询数据库。不管请求如何到达，服务器应用程序中经常出现的情况是：单个任务处理的时间很短而请求的数目却是巨大的。
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What is the simplest and most robust way to get the user's current location on Android?
...e value provided from Network.
One more approach is to use LocationClient http://developer.android.com/training/location/retrieve-current.html. But it requires Google Play Services apk to be installed on user device.
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Why is it bad practice to call System.gc()?
...cations.
To show that it's possible that System.gc() does nothing, view:
http://bugs.sun.com/view_bug.do?bug_id=6668279
and in particular that there's a -XX:DisableExplicitGC VM option.
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i...
Interface vs Abstract Class (general OO)
...ethods are non-virtual methods that 'thunk' to private virtual methods:
http://www.gotw.ca/publications/mill18.htm
http://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Non-Virtual_Interface
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SQL left join vs multiple tables on FROM line?
...rst way is the older standard. The second method was introduced in SQL-92, http://en.wikipedia.org/wiki/SQL. The complete standard can be viewed at http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt .
It took many years before database companies adopted the SQL-92 standard.
So the reason wh...
How Scalable is SQLite? [closed]
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Have you read this SQLite docs - http://www.sqlite.org/whentouse.html ?
SQLite usually will work great as the
database engine for low to medium
traffic websites (which is to say,
99.9% of all websites). The amount of web traffic that SQLite can han...
Pandas selecting by label sometimes return Series, sometimes returns DataFrame
... remove objects from these
containers in a dictionary-like fashion.
http://pandas.pydata.org/pandas-docs/stable/overview.html#why-more-than-1-data-structure
The data model of Pandas objects has been choosen like that. The reason certainly lies in the fact that it ensures some advantages I d...
Traversing text in Insert mode
...o scroll around, and clicking to position the cursor (duh) just works. See http://usevim.com/2012/05/16/mouse/ for more on this.
And so...
These are what I'd call more modern (using mouse, scroll wheel, etc.) ways of navigating in vim, equally effective depending on your preference of input.
HTH
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