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Setting background colour of Android layout element
...droid:id="@+id/your_layout_id"
...
</RelativeLayout>
Then, in your Java code, make following changes.
RelativeLayout rl = (RelativeLayout)findViewById(R.id.your_layout_id);
rl.setBackgroundColor(Color.RED);
apart from this, if you have the color defined in colors.xml, then also you can do...
ASP.NET MVC View Engine Comparison
...enging (see Con Example #1) as you end up having to "escape" HTML and / or JavaScript tags under certain very common conditions.
Poor encapsulation+reuseability: It's impractical to call a razor template as if it were a normal method - in practice razor can call code but not vice versa, which can en...
Map.clear() vs new Map : Which one will be better? [duplicate]
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I thought Creating object in java more expensive in terms of memory,so it is better to you go with .clear(),so you are using same object instead of creating new one
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Any idea why I need to cast an integer literal to (int) here?
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I think it's because int is a keyword in Java, but Integer is not. Since int is a keyword, you can't use it as an identifier for a variable or a class, leaving the only possibility left for it to be a typecast. That'd explain it.
– BoltClock♦...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
...'s sample code.
samples/ApiDemos/src/com/example/android/apis/RadioGroup1.java
samples/ApiDemp/res/values/ids.xml
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Converting pixels to dp
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Preferably put in a Util.java class
public static float dpFromPx(final Context context, final float px) {
return px / context.getResources().getDisplayMetrics().density;
}
public static float pxFromDp(final Context context, final float dp)...
How to increase IDE memory limit in IntelliJ IDEA on Mac?
...lation
-XX:SoftRefLRUPolicyMSPerMB=100
-ea
-Dsun.io.useCanonCaches=false
-Djava.net.preferIPv4Stack=true
-Djdk.http.auth.tunneling.disabledSchemes=""
-XX:+HeapDumpOnOutOfMemoryError
-XX:-OmitStackTraceInFastThrow
-Xverify:none
-XX:ErrorFile=$USER_HOME/java_error_in_idea_%p.log
-XX:HeapDumpPath=$USE...
Spring boot @ResponseBody doesn't serialize entity id
....springframework.data.rest.webmvc.config.RepositoryRestConfigurer;
import javax.persistence.EntityManager;
import javax.persistence.metamodel.Type;
@Configuration
public class RestConfiguration implements RepositoryRestConfigurer {
@Autowired
private EntityManager entityManager;
@Ove...
How to find encoding of a file via script on Linux?
...ncoding detector library ported from Mozilla.
Usage:
~> uchardet file.java
UTF-8
Various Linux distributions (Debian/Ubuntu, OpenSuse-packman, ...) provide binaries.
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I want to get the type of a variable at runtime
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for readers: this is the most useful solution. As in Javascript typeof x, here manOf(x) say the data type!
– Peter Krauss
Nov 27 '19 at 21:45
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