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Center a button in a Linear layout
...:layout_centerInParent="true"
So your layout file will look like this:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout android:id="@+id/RelativeLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
xmlns:android="http://schemas.android.com/...
Broadcast receiver for checking internet connection in android app
...broadcast receiver is being called two times because
You have added two <intent-filter>
Change in network connection :
<action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
Change in WiFi state:
<action android:name="android.net.wifi.WIFI_STATE_CHANGED" />
Just use ...
How do I convert Long to byte[] and back in java
...a temporary ByteBuffer for each conversion. Not good if you are sending multiple longs per message and/or lots of messages.
– Stephen C
Dec 19 '10 at 23:28
1
...
How to maintain aspect ratio using HTML IMG tag
...Set {
max-width: 64px;
}
.heightSet {
max-height: 64px;
}
<img src="http://placehold.it/200x250" />
<img src="http://placehold.it/200x250" width="64" />
<img src="http://placehold.it/200x250" height="64" />
<img src="http://placehold.it/200x250" class="w...
Is 'switch' faster than 'if'?
...formance in some scenarios, is as general as a switch is, and does not result in greater generated code size. But to see that, your test code would need a LOT more branches to see any difference.
To answer your specific questions:
Clang generates one that looks like this:
test_switch(char): ...
How to create a generic array in Java?
...jects it contains (i.e. its constructor was explicitly called with a Class<E> argument, and methods will throw an exception when they are passed arguments that are not of type E. See Collections.checkedCollection.
-> in that case, you should write:
public class GenSet<E> {
priv...
How to get parameters from the URL with JSP
... include the value of a request parameter in the generated output:
Hello <b><%= request.getParameter("name") %></b>!
If the page was accessed with the URL:
http://hostname.com/mywebapp/mypage.jsp?name=John+Smith
the resulting output would be:
Hello <b>John Smith</b&...
Placing border inside of div and not on its edge
I have a <div> element and I want to put a border on it. I know I can write style="border: 1px solid black" , but this adds 2px to either side of the div, which is not what I want.
...
Can you put two conditions in an xslt test attribute?
...
Not quite, the AND has to be lower-case.
<xsl:when test="4 &lt; 5 and 1 &lt; 2">
<!-- do something -->
</xsl:when>
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How do I read all classes from a Java package in the classpath?
...classes in a package that are annotated with XmlRootElement:
private List<Class> findMyTypes(String basePackage) throws IOException, ClassNotFoundException
{
ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();
MetadataReaderFactory metadataRead...