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How do I add a Fragment to an Activity with a programmatically created content view
...em with that code. A fragment cannot be declared that way, inside the same java file as the activity but not as a public inner class. The framework expects the fragment's constructor (with no parameters) to be public and visible. Moving the fragment into the Activity as an inner class, or creating a...
How to get domain URL and application name?
...ake use of the HTML <base> tag:
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<c:set var="req" value="${pageContext.request}" />
<c:set var="url">${req.requestURL}</c:set>
<...
How do I create a readable diff of two spreadsheets using git diff?
...ame and add a timestamp, e.g. "20080922-065412-MyExcelFile". I did this in Java using a library called JExcelAPI. It's really quite easy.
B) Add a Windows shell extension to run your new Java program from step A when right-clicking on an Excel file. This makes it very easy to run this program. You ...
What is managed or unmanaged code in programming?
... to executable code or from an intermediate language to
executable code. Java, Visual Basic and .NET's Common Language Runtime
(CLR) are examples of runtime engines. (Read more)
Unmanaged code is compiled to machine code and therefore executed by the OS directly. It therefore has the ability...
How to run a shell script at startup
... directive for chkconfig. Example, the following script is used to start a Java application as user oracle.
The name of the script is /etc/init.d/apex
#!/bin/bash
# chkconfig: 345 99 10
# Description: auto start apex listener
#
case "$1" in
'start')
su - oracle -c "cd /opt/apex ; java -jar ape...
Class vs. static method in JavaScript
...
First off, remember that JavaScript is primarily a prototypal language, rather than a class-based language1. Foo isn't a class, it's a function, which is an object. You can instantiate an object from that function using the new keyword which will all...
Android: When should I use a Handler() and when should I use a Thread?
...JRun That is one of the uses yes. Check out the Handler description in the java docs for some great info about it. Including another of its uses (to schedule messages and runnables to be executed as some point in the future).
– FoamyGuy
Dec 22 '12 at 17:06
...
Round a double to 2 decimal places [duplicate]
...em 48: "Avoid float and double if exact answers are required" in Effective Java (2nd ed) by Joshua Bloch
What Every Programmer Should Know About Floating-Point Arithmetic
If you wanted String formatting instead of (or in addition to) strictly rounding numbers, see the other answers.
Specifica...
spring boot default H2 jdbc connection (and H2 console)
...ing.jpa.database-platform=org.hibernate.dialect.H2Dialect
In Application.java (or some configuration):
@Bean
public ServletRegistrationBean h2servletRegistration() {
ServletRegistrationBean registration = new ServletRegistrationBean(new WebServlet());
registration.addUrlMappings("/console...
How to read and write excel file
I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
...