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Storing time-series data, relational or non?
... Could you explain how the table is "de-normalised" ? Marcus does have an error in the table, but it is not a normalisation error.
– PerformanceDBA
Feb 3 '11 at 9:25
...
Best way to represent a fraction in Java?
... a BigFraction from a floating-point number.
*
* Warning: round-off error in IEEE floating point numbers can result
* in answers that are unexpected. For example,
* System.out.println(new BigFraction(1.1))
* will print:
* 2476979795053773/2251799813685248
*
* This...
Downloading a large file using curl
...ing is ok with:
if (!$result)
throw new Exception('Download error...');
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updating table rows in postgres using subquery
...
This totally does not work in postgresql 9.5, I get ERROR: 42P01: relation "dummy" does not exist
– user9645
Oct 14 '16 at 14:37
80
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How to use single storyboard uiviewcontroller for multiple subclass
...o the previous view controller. You will be able to recognize them as KVO error messages in the log output.
A couple of approaches you could take:
store the UI elements in a UIView - in a xib file and instantiate it from your base class and add it as a sub view in the main view, typically self.v...
Difference between method and function in Scala
... example:
scala> val f = () => { return "test" }
<console>:4: error: return outside method definition
val f = () => { return "test" }
^
Returning from a function defined in a method does a non-local return:
scala> def f: String = { ...
Node.js + Nginx - What now?
...omain.com;
access_log /var/log/nginx/subdomain.your_domain.access.log;
error_log /var/log/nginx/subdomain.your_domain.error.log debug;
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarder-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host...
Automapper - how to map to constructor parameters instead of property setters
...> new OrderViewModel(this)); ... Get a "The call is ambiguos" compiler error
– Chris Klepeis
Mar 29 '12 at 17:49
2
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How can I ensure that a division of integers is always rounded up?
...ng practices. Research your tools, specify the desired behaviour, consider error cases first, and write the code to emphasize its obvious correctness. And when you find a bug, consider whether your algorithm is deeply flawed to begin with before you just randomly start swapping the directions of com...
iPad/iPhone hover problem causes the user to double click a link
...s with the following alternatives:
browser detection: Extremely prone to errors. Assumes that a device has either mouse or touch, while a combination of both will become more and more common when touch displays prolifirate.
CSS media detection: The only CSS-only solution I'm aware of. Still prone ...