大约有 40,000 项符合查询结果（耗时：0.0833秒） [XML]
Concurrent HashSet in .NET Framework?
...
Your implementation is correct. The .NET Framework does not provide a built-in concurrent hashset type, unfortunately. However, there are some workarounds.
ConcurrentDictionary (recommended)
This first one is to use the class ConcurrentDictionary<TKey, TValue> in the namespace System.Coll...
How do I center floated elements?
...x;
background: url(/images/structure/pagination-button-first.png);
}
<div class='pagination'>
<a class='first' href='#'>First</a>
<a href='#'>1</a>
<a href='#'>2</a>
<a href='#'>3</a>
<a class='last' href='#'>Last</a&...
How do I change the background color of the ActionBar of an ActionBarActivity using XML?
...ou can change ActionBar's background color by defining custom style, as:
<resources>
<style name="MyTheme" parent="@android:style/Theme.Holo.Light">
<item name="android:actionBarStyle">@style/MyActionBar</item>
</style>
<style name="MyActionBar"...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...
<p:commandXxx process> <p:ajax process> <f:ajax execute>
The process attribute is server side and can only affect UIComponents implementing EditableValueHolder (input fields) or ActionSource (command fields)....
What is the HTML tabindex attribute?
...than the first one. There are very few elements that are focusable by default (e.g. <a> and form controls). Developers very often add some JavaScript event handlers (like 'onclick') on not focusable elements (<div>, <span> and so on), and the way to make your interface be responsiv...
Is there a float input type in HTML5?
...e controlling which numbers are valid (along with max and min), which defaults to 1. This value is also used by implementations for the stepper buttons (i.e. pressing up increases by step).
Simply change this value to whatever is appropriate. For money, two decimal places are probably expected:
&l...
Decode HTML entities in Python string?
...HTMLParser.unescape is deprecated, and was supposed to be removed in 3.5, although it was left in by mistake. It will be removed from the language soon.
Python 2.6-3.3
You can use HTMLParser.unescape() from the standard library:
For Python 2.6-2.7 it's in HTMLParser
For Python 3 it's in html.p...
How to set JVM parameters for Junit Unit Tests?
...
In IntelliJ you can specify default settings for each run configuration. In Run/Debug configuration dialog (the one you use to configure heap per test) click on Defaults and JUnit. These settings will be automatically applied to each new JUnit test configura...
Two divs, one fixed width, the other, the rest
...
See: http://jsfiddle.net/SpSjL/ (adjust the browser's width)
HTML:
<div class="right"></div>
<div class="left"></div>
CSS:
.left {
overflow: hidden;
min-height: 50px;
border: 2px dashed #f0f;
}
.right {
float: right;
width: 250px;
min-height...
What is the best project structure for a Python application? [closed]
...here aren't a lot of silly rules because Python projects can be simple.
/scripts or /bin for that kind of command-line interface stuff
/tests for your tests
/lib for your C-language libraries
/doc for most documentation
/apidoc for the Epydoc-generated API docs.
And the top-level directory can c...