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Android global variable
...roid.app.Application class and add member variables like so:
public class MyApplication extends Application {
private String someVariable;
public String getSomeVariable() {
return someVariable;
}
public void setSomeVariable(String someVariable) {
this.someVariable...
How to find patterns across multiple lines using grep?
... .*(\n|.)* is equivalent to (\n|.)* and the latter is shorter. Moreover on my system, "pcre_exec() error -8" occurs when I run the longer version. So try 'abc(\n|.)*efg' instead!
– daveagp
Feb 7 '13 at 0:52
...
Circular dependency in Spring
...iated first, then injected into each other.
Consider this class:
package mypackage;
public class A {
public A() {
System.out.println("Creating instance of A");
}
private B b;
public void setB(B b) {
System.out.println("Setting property b of A instance");
...
Tools for making latex tables in R [closed]
...s in Columns and Trick #2: Using Booktabs
First, load packages and define my clean function
<<label=first, include=FALSE, echo=FALSE>>=
library(xtable)
library(plyr)
cleanf <- function(x){
oldx <- c(FALSE, x[-1]==x[-length(x)])
# is the value ...
Javascript what is property in hasOwnProperty?
...
@amnotiam- but i think its much clear now...its because my internet issue i cannot able to post more..........
– Pranay Rana
Feb 22 '12 at 14:32
...
How to check if a column exists in a SQL Server table?
...ets during adding columns, so I used them inside COL_LENGTH function too. My code was like this: Alter table Table_Name Add [ColumnName] NVarchar(max) NULL; Select COL_LENGTH('[TABLE_NAME]', '[COLUMN_NAME]')
– Hemendra
Jun 24 '19 at 8:08
...
Is there a way to override class variables in Java?
...gt; family = new ArrayList<Person>();
family.add(new Son("Tommy"));
family.add(new StepMom("Nancy"));
family.add(new Dad("Dad"));
for (Person person : family) {
//using the getName vs printName lets the caller, in this case the
//ConsoleG...
How to Programmatically Add Views to Views
Let's say I have a LinearLayout , and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?
...
How to enable/disable bluetooth programmatically in android
...
I used the below code to disable BT when my app launches and works fine. Not sure if this the correct way to implement this as google recommends not using "bluetooth.disable();" without explicit user action to turn off Bluetooth.
BluetoothAdapter bluetooth = Bl...
Joins are for lazy people?
...oundtrips, and the DB can use indexes to perform the join.
Off the top of my head, I can't even imagine a single scenario where a correctly used join would be slower than the equivalent client-side operation.
Edit: There are some rare cases where custom client code can do things more efficiently t...