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Optimising Android application before release [closed]
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Read this blogpost. medium.com/@hammad_tariq/…
– Developine
Jun 30 '17 at 5:00
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Scala: Abstract types vs generics
...ed abstraction. So in a sense you could say Scala is a more orthogonal and complete language.
Why?
What, in particular, abstract types buy you is a nice treatment for these covariance problems we talked about before.
One standard problem, which has been around for a long time, is the problem of an...
Does HTTP use UDP?
...om run over UDP. See, however, RTP.
For something as your example (in the comment), you're not showing a protocol for the resource. If that protocol were to be HTTP, then I wouldn't call the access "streaming"; even if it in some sense of the word is since it's sending a (possibly large) resource s...
How to get browser width using JavaScript code?
... This produces the right (or expected) results consistently compared to jQuery's implementation.
– Emmanuel John
Aug 17 '14 at 5:04
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Java equivalent to #region in C#
...ins how to get this functionality. Also here is a link (kosiara87.blogspot.com/2011/12/…) that shows you how to add it to your existing eclipse environment...extremely useful!
– cking24343
Jun 17 '13 at 12:54
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Difference between null and empty (“”) Java String
...he difference you are wondering about is == versus equals, it's this:
== compares references, like if I went
String a = new String("");
String b = new String("");
System.out.println(a==b);
That would output false because I allocated two different objects, and a and b point to different objects....
Exit single-user mode
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When I used the 'sp_who2' command, I did not see any DBName connected to 'my_db' I did not kill any of those connections. After I ran the commands I get the same error =[ : 'Changes to the state or options of database 'my_db' cannot be made at this ti...
What is the order of precedence for CSS?
...(ex.: :hover)
elements (ex.: div) and pseudo-elements (ex.: ::before)
To compare the specificity of two combined selectors, compare the number of occurences of single selectors of each of the specificity groups above.
Example: compare #nav ul li a:hover to #nav ul li.active a::after
count the n...
Create unique constraint with null columns
...er_id, recipe_id)
WHERE menu_id IS NULL;
This way, there can only be one combination of (user_id, recipe_id) where menu_id IS NULL, effectively implementing the desired constraint.
Possible drawbacks: you cannot have a foreign key referencing (user_id, menu_id, recipe_id), you cannot base CLUSTER...
Include CSS,javascript file in Yii Framework
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