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How to convert a LocalDate to an Instant?
...for you automatically, so you must provide it.
LocalDate date = LocalDate.now();
Instant instant = date.atStartOfDay(ZoneId.systemDefault()).toInstant();
This example uses the default time-zone of the JVM - ZoneId.systemDefault() - to perform the conversion. See here for a longer answer to a rela...
Add number of days to a date
...nds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied.
while date
Returns a string formatted according to the given format string using the given integer timestamp or the current time if no timestamp is given.
See the man...
JUnit 4 Test Suites
...ice.class,
testMyBackend.class,
...
})
public class AllTests {}
Now you can run this in a couple different ways:
right-click and run in Eclipse as Junit test
create a runable Java Application; Main class='org.junit.runner.JUnitCore' and Args='my.package.tests.AllTests'
run from the comm...
When to use single quotes, double quotes, and backticks in MySQL
...write queries. I also understand the importance of being consistent. Until now, I have randomly used single quotes, double quotes, and backticks without any real thought.
...
Git submodule push
...e code in submodule-config in a similar way to fetch.
The git config doc now include:
push.recurseSubmodules:
Make sure all submodule commits used by the revisions to be pushed are available on a remote-tracking branch.
If the value is 'check', then Git will verify that all submo...
How do HashTables deal with collisions?
...
If chaining is used, when given a key, how do we know which item to get back?
– ChaoSXDemon
Oct 10 '15 at 4:04
1
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In Python, how can you load YAML mappings as OrderedDicts?
... pypy for some time (although considered CPython implementation detail for now).
Update: In python 3.7+, the insertion-order preservation nature of dict objects has been declared to be an official part of the Python language spec, see What's New In Python 3.7.
I like @James' solution for its simpl...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
...s (also rows). In other words, Car → Wheel is a 1-to-many relationship.
Now, let's say you need to iterate through all the cars, and for each one, print out a list of the wheels. The naive O/R implementation would do the following:
SELECT * FROM Cars;
And then for each Car:
SELECT * FROM Wheel W...
What's the difference between console.dir and console.log?
...
Now it seems that console.log and console.dir actually return the same representation on [1,2,3] in Firefox.
– xji
Jun 18 '18 at 16:27
...
How does the getView() method work when creating your own custom adapter?
... one. You see, getView() is called everytime an item in the list is drawn. Now, before the item can be drawn, it has to be created. Now convertView basically is the last used view to draw an item. In getView() you inflate the xml first and then use findByViewID() to get the various UI elements of th...