大约有 40,000 项符合查询结果（耗时：0.0528秒） [XML]
CustomErrors mode=“Off”
...p to the provider. Because of the customErrors mode, all I see is the default "Runtime error" message, instructing me to turn off customErrors to view more about the error.
...
What is the difference between id and class in CSS, and when should I use them? [duplicate]
...
For more info on this click here.
Example
<div id="header_id" class="header_class">Text</div>
#header_id {font-color:#fff}
.header_class {font-color:#000}
(Note that CSS uses the prefix # for IDs and . for Classes.)
However color was an HTML 4.01 <f...
Read stream twice
...[] buf = new byte[howManyBytes];
int next = 0;
for (int i = 0; i < howManyBytes; i++) {
next = is.read();
if (next > 0) {
buf[i] = (byte) next;
}
}
return buf;
}
private static void printBytes(byte[] buffer) throws IOException {
System.out.pr...
Is this object-lifetime-extending-closure a C# compiler bug?
...k 4
.locals init (
[0] class ConsoleApplication1.Program/Foo/'<>c__DisplayClass1' 'CS$<>8__locals2'
)
IL_0000: newobj instance void ConsoleApplication1.Program/Foo/'<>c__DisplayClass1'::.ctor()
IL_0005: stloc.0
IL_0006: ldloc.0
IL_0007: ldarg.0
...
What's an elegant way to conditionally add a class to an HTML element in a view?
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I use the first way, but with a slightly more succinct syntax:
<div class="<%= 'ok' if @status == 'success' %>">
Though usually you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you can just test your vari...
How do I print out the contents of an object in Rails for easy debugging?
...ser.new
user.name = "John Smith"
user.age = 30
puts user.inspect
#=> #<User:0x423270c @name="John Smith", @age=30>
puts user.to_yaml
#=> --- !ruby/object:User
#=> age: 30
#=> name: John Smith
Hope that helps.
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Declaring a custom android UI element using XML
...on. The steps are as follows:
1. Declare attributes in values\attrs.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="MyCustomView">
<attr name="android:text"/>
<attr name="android:textColor"/>
<...
How to add hyperlink in JLabel?
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You can do this using a JLabel, but an alternative would be to style a JButton. That way, you don't have to worry about accessibility and can just fire events using an ActionListener.
public static void main(String[] args) throws URISyntaxException {
final U...
jQuery: How can i create a simple overlay?
...t: 0;
width: 100%;
height: 100%;
background-color: #000;
filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity: 0.5;
opacity: 0.5;
z-index: 10000;
}
This will be your jQuery code (no UI needed). You're just going to create a new element with the ID #overlay. Cr...
How to iterate through SparseArray?
...(index) function.
So I'll go with something like this:
for(int i = 0; i < sparseArray.size(); i++) {
int key = sparseArray.keyAt(i);
// get the object by the key.
Object obj = sparseArray.get(key);
}
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