大约有 40,000 项符合查询结果（耗时：0.0668秒） [XML]
What is the difference between :focus and :active?
... currently being activated by the user.
For example let's say we have a <button>. The <button> will not have any state to begin with. It just exists. If we use Tab to give "focus" to the <button>, it now enters its :focus state. If you then click (or press space), you then make t...
Converting a List to a comma separated string
...
List<int> list = ...;
string.Join(",", list.Select(n => n.ToString()).ToArray())
share
|
improve this answer
...
Checking if a list is empty with LINQ
... to determine if a list is empty? Even if the list is of type IEnumerable<T> and doesn't have a Count property.
16 ...
Class method differences in Python: bound, unbound and static
...t;>> a_test.method_two()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: method_two() takes no arguments (1 given)
You can change the behavior of a method using a decorator
class Test(object):
def method_one(self):
print "Called m...
xpath find if node exists
...
<xsl:if test="xpath-expression">...</xsl:if>
so for example
<xsl:if test="/html/body">body node exists</xsl:if>
<xsl:if test="not(/html/body)">body node missing</xsl:if>
...
Binding to static property
...e of the class in the resources, and use it as the source of the binding.
<Window.Resources>
<local:VersionManager x:Key="versionManager"/>
</Window.Resources>
...
<TextBox Text="{Binding Source={StaticResource versionManager}, Path=FilterString}"/>
...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
... works by handling the mousewheel event. Each such event contains a wheelDelta equal to the number of px which it is going to move the scrollable area to. If this value is >0, then we are scrolling up. If the wheelDelta is <0 then we are scrolling down.
FireFox: FireFox uses DOMMouseScroll a...
Create a List of primitive int?
...zed type.
Instead use the Integer class which is a wrapper for int:
List<Integer> list = new ArrayList<Integer>();
If your using Java 7 you can simplify this declaration using the diamond operator:
List<Integer> list = new ArrayList<>();
With autoboxing in Java the pri...
How to clear a chart from a canvas so that hover events cannot be triggered?
...hart reference to null
What finally fixed the issue for me: deleting the <canvas> element and then reappending a new <canvas> to the parent container
My specific code (obviously there's a million ways to do this):
var resetCanvas = function(){
$('#results-graph').remove(); // this...
Tablix: Repeat header rows on each page not working - Report Builder 3.0
I have a tablix with lots of rows that span over multiple pages. I have set the Tablix property Repeat header rows on each page but this does not work. I read somewhere that this is a known bug in Report Builder 3.0. Is this true? If not, is there something else that needs to be done?
...