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What is the purpose of fork()?
...). For the Windows equivalent, take a look at CreateProcess.
If you want more examples and a longer explanation, Wikipedia has a decent summary. And here are some slides here on how processes, threads, and concurrency work in modern operating systems.
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PostgreSQL DISTINCT ON with different ORDER BY
...ND t1.purchased_at = t2.max_purchased_at
ORDER BY t1.purchased_at DESC
A more PostgreSQL-oriented solution based on @hkf's answer:
SELECT * FROM (
SELECT DISTINCT ON (address_id) *
FROM purchases
WHERE product_id = 1
ORDER BY address_id, purchased_at DESC
) t
ORDER BY purchased_at DESC
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How can I add a third button to an Android Alert Dialog?
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Creating custom alert dialog is more accurable. stackoverflow.com/questions/13341560/…
– E J Chathuranga
Jan 30 '18 at 7:09
add a...
Use Mockito to mock some methods but not others
... called a partial mock. See the Mockito documentation on partial mocks for more information.
For your example, you can do something like the following, in your test:
Stock stock = mock(Stock.class);
when(stock.getPrice()).thenReturn(100.00); // Mock implementation
when(stock.getQuantity()).then...
How do I create my own URL protocol? (e.g. so://…) [closed]
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Function overloading in Javascript - Best practices
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How to use Servlets and Ajax?
...yword is "ajax": Asynchronous JavaScript and XML. However, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data.
Since it's pretty a tedious work to make it to work across...
What is meant by the term “hook” in programming?
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How to pass argument to Makefile from command line?
... from a list. So $(filter-out bar, foo bar baz) returns foo baz (it can be more subtle, but we don't need subtlety here).
Put these together and $(filter-out $@,$(MAKECMDGOALS)) returns the list of targets specified on the command line other than "action", which might be "value1 value2".
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How can one close HTML tags in Vim quickly?
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