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Naming convention for utility classes in Java
...module); mean while a Util may be called in any context.
For example in an application related to bank accounts, all number specific utility static APIs would go to org.mycompany.util.Numbers
All "Account" specific business rule helping APIs would go to
org.mycompany.account.AccountHelper
After all...
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
I'm working on my usual projects on Eclipse, it's a J2EE application, made with Spring, Hibernate and so on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out li...
Why must a lambda expression be cast when supplied as a plain Delegate parameter
...o by x to be? Yes, the compiler could generate a new delegate type with an appropriate signature, but that's rarely useful and you end up with less opportunity for error checking.
If you want to make it easy to call Control.Invoke with an Action the easiest thing to do is add an extension method to...
Can I make 'git diff' only the line numbers AND changed file names?
...his in git, with the help of an "external diff" script.
Here's a pretty crappy one; it will be up to you to fix up the output the way you would like it.
#! /bin/sh
#
# run this with:
# GIT_EXTERNAL_DIFF=<name of script> git diff ...
#
case $# in
1) "unmerged file $@, can't show you line n...
How to turn on WCF tracing?
...
The following configuration taken from MSDN can be applied to enable tracing on your WCF service.
<configuration>
<system.diagnostics>
<sources>
<source name="System.ServiceModel"
switchValue="Information, ActivityTracing"
...
Best way to encode text data for XML in Java?
... Use StringEscapeUtils.escapeXml(str) from commons-lang. I use it in App Engine application - work like a charm. Here is the Java Doc for this function:
– Oleg K
Feb 15 '11 at 19:04
...
Get context of test project in Android junit test case
...
There's new approach with Android Testing Support Library (currently androidx.test:runner:1.1.1). Kotlin updated example:
class ExampleInstrumentedTest {
lateinit var instrumentationContext: Context
@Before
fun setup() {
...
How do I plot in real-time in a while loop using matplotlib?
...t instead create two lists x and y and call plt.plot(x,y) 2. in your loop, append new data values to the two lists 3. call plt.gca().lines[0].set_xdata(x); plt.gca().lines[0].set_ydata(y); plt.gca().relim(); plt.gca().autoscale_view(); plt.pause(0.05);
– Trevor Boyd Smith
...
Soft keyboard open and close listener in an activity in Android
...out in the comments, detecting whether the softkeyboard is shown or has disappeared is only possible with some ugly hacks.
Maybe it is enough to set a focus listener on the edittext:
yourEditText.setOnFocusChangeListener(new OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boo...
Change project name on Android Studio
... Studio notify me some errors...
e.g. I want to change the name from "MyApplication" to "AndroidApp" as shown in the image below.
In the first rectangle I want to change it in:
...