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What does the Java assert keyword do, and when should it be used?
...n the java command, but are not turned on by default.
An example:
public Foo acquireFoo(int id) {
Foo result = null;
if (id > 50) {
result = fooService.read(id);
} else {
result = new Foo(id);
}
assert result != null;
return result;
}
...
Generate Java classes from .XSD files…?
...ting Item data object
Item item = new Item();
item.setId(2);
item.setName("Foo");
item.setPrice(200);
.....
JAXBContext context = JAXBContext.newInstance(item.getClass());
Marshaller marshaller = context.createMarshaller();
//I want to save the output file to item.xml
marshaller.marshal(item, new F...
Difference between app.use and app.get in express.js
...th /, which are all of them and regardless of HTTP verb used:
GET /
PUT /foo
POST /foo/bar
etc.
app.get(), on the other hand, is part of Express' application routing and is intended for matching and handling a specific route when requested with the GET HTTP verb:
GET /
And, the equivalent ro...
Class constants in python
...nswered May 20 '12 at 9:53
Fred FooFred Foo
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...
How can I ask the Selenium-WebDriver to wait for few seconds in Java?
...ONDS)
.ignoring(NoSuchElementException.class);
WebElement foo = wait.until(new Function<WebDriver, WebElement>() {
public WebElement apply(WebDriver driver) {
return driver.findElement(locator);
}
});
return foo;
};
fluentWait function r...
Array versus List: When to use which?
...an BufferedStream etc;
it internally uses an array-based model of objects (Foo[] rather than List<Foo>), since the size is fixed once built, and needs to be very fast.
But this is definitely an exception; for general line-of-business processing, a List<T> wins every time.
...
Dependency injection with Jersey 2.0
...provider.classnames</param-name>
<param-value>
com.foo.YourBinderImpl
</param-value>
</init-param>
To get it to work, I had to implement a Feature:
import javax.ws.rs.core.Feature;
import javax.ws.rs.core.FeatureContext;
import javax.ws.rs.ext.Provider;
@Pro...
In Gradle, is there a better way to get Environment Variables?
...
Be aware that "$System.env.FOO" returns String with value "null", if the environment variable FOO is not defined as a system environment variable. It might be confusing since logging a String with value "null" to console will print the same output as ...
How to prepend a string to a column value in MySQL?
...se, where you only concat test to columns already starting with test. So: foo -> foo footest -> footest testfoo -> testtestfoo
– Jukka Dahlbom
Mar 25 '09 at 9:22
add...
How do you run a crontab in Cygwin on Windows?
...te editor):
$ crontab -e # edit your user specific cron-table HOME=/home/foo
PATH=/usr/local/bin:/usr/bin:/bin:$PATH
# testing - one per line
* * * * * touch ~/cron
@reboot ~/foo.sh
45 11 * * * ~/lunch_message_to_mates.sh
Domain users: it does not work. Poor cron is unable to run scheduled...