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How does Junit @Rule work?
... a test method has been executed.
For example, Using @Timeout rule we can set the timeout for all the tests.
public class TestApp {
@Rule
public Timeout globalTimeout = new Timeout(20, TimeUnit.MILLISECONDS);
......
......
}
@TemporaryFolder rule is used to create temporary fo...
python max function using 'key' and lambda expression
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How does key work?
By default in Python 2 key compares items based on a set of rules based on the type of the objects (for example a string is always greater than an integer).
To modify the object before comparison, or to compare based on a particular attribute/index, you've to use the key argum...
How do I make this file.sh executable via double click?
...
Also you can use cd "`dirname "$0"`" to set the current working directory to the directory where your shell skript lies.
– gearsdigital
Jun 23 '13 at 21:14
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
... like public shared data and the ability to download only part of the data set instead of the whole thing.
If you wanted to use CloudKit with Core Data, you'd have to write your own custom code to translate between managed objects and CloudKit records. It's not impossible, but it's more code to wr...
Match multiple cases classes in scala
...o have case A(x) | B(x) => println(x) be allowed where the type of x is set to the upper bound in the type system of whatever A(x) and B(x) produce.
– Mitch Blevins
Nov 10 '11 at 17:24
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How do I vertically center text with CSS? [duplicate]
.../div>
It only works for a single line of text though, because we set the line's height to the same height as the containing box element.
A more versatile approach
This is another way to align text vertically. This solution will work for a single line and multiple lines of text, but it ...
How do I add a Maven dependency in Eclipse?
...om.xml in my code. When I use IntelliJ it automatically downloads them and sets them up for code completion, doesn't eclipse do this?
– Cas Eliëns
Aug 31 '16 at 13:47
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How can I open several files at once in Vim?
... suggestion: As a good practice and in order to show how to apply the same set of commands to all files that have been opened, you can execute the following command to apply all the orders contained in my_commands_batch.vim file :argdo source my_commands_batch.vim
– aturegano
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Bash if statement with multiple conditions throws an error
...e contributors from MySQL that checks whether the specified variables were set.
As the script shows, you can pipe them with -a, e.g.:
if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
...
fi
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Returning IEnumerable vs. IQueryable
...xplain "how" the two interfaces differ. Basically, there are two identical sets of LINQ extensions. Where(), Sum(), Count(), FirstOrDefault(), etc all have two versions: one that accepts functions and one that accepts expressions.
The IEnumerable version signature is: Where(Func<Customer, bool&...