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How is pattern matching in Scala implemented at the bytecode level?
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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Make Div overlay ENTIRE page (not just viewport)?
...pression that the entire body is darkened.
Example: http://jsbin.com/okabo3/edit
div.fadeMe {
opacity: 0.5;
background: #000;
width: 100%;
height: 100%;
z-index: 10;
top: 0;
left: 0;
position: fixed;
}
<body>
<div class="fadeMe">...
Why do we have map, fmap and liftM?
...onad without also being an instance of Functor.
-- Typeclassopedia, page 33
Edit: agustuss's history of map and fmap:
That's not actually how it happens. What happened was that the type of map was generalized to cover Functor in Haskell 1.3. I.e., in Haskell 1.3 fmap was called map. This chan...
URL query parameters to dict python
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193
Use the urllib.parse library:
>>> from urllib import parse
>>> url = "http://...
Disabling Strict Standards in PHP 5.4
...rently running a site on php 5.4, prior to this I was running my site on 5.3.8. Unfortunately, php 5.4 combines E_ALL and E_STRICT , which means that my previous setting for error_reporting does not work now. My previous value was E_ALL & ~E_NOTICE & ~E_STRICT Should I just enable val...
POSTing a @OneToMany sub-resource association in Spring Data REST
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uniruddh
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answered Oct 17 '14 at 14:09
Chetan KokilChetan Ko...
Rails hidden field undefined method 'merge' error
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– Augustin Riedinger
Sep 24 '14 at 13:30
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How do I get current URL in Selenium Webdriver 2 Python?
...se current_url element for Python 2:
print browser.current_url
For Python 3 and later versions of selenium:
print(driver.current_url)
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