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What is the difference between “px”, “dip”, “dp” and “sp”?
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@android_developer (5 comments above) dp does not have the exact same physical length. (Although it is close.) See @Fraggle's comment about bucketing. What this means is that 48dp will be roughly 8mm (0.3 inch), but it may vary up to 11mm.
– in...
What are the disadvantages to declaring Scala case classes?
...many params :)
Also...
One other restriction sometimes noted is that Scala doesn't (currently) support lazy params (like lazy vals, but as parameters). The workaround to this is to use a by-name param and assign it to a lazy val in the constructor. Unfortunately, by-name params don't mix with patt...
Do HttpClient and HttpClientHandler have to be disposed between requests?
... particularly the "Lifecycle" section quoted here:
Although HttpClient does indirectly implement the IDisposable
interface, the standard usage of HttpClient is not to dispose of it
after every request. The HttpClient object is intended to live for as
long as your application needs to make ...
How do I associate file types with an iPhone application?
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What about the key 'CFBundleTypeExtensions'? Your snippet does not seem to set it. Is it not required?
– Bram
Oct 31 '13 at 23:09
3
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Why can't I use Docker CMD multiple times to run multiple services?
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Thanks,supervisor is a good idea,but i'm wonder how does CMD work inside docker image
– edwardsbean
May 18 '14 at 12:51
2
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What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
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Avdi does not look like he sounds in podcasts.
– hrdwdmrbl
May 28 '13 at 15:00
2
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X-Frame-Options Allow-From multiple domains
...f' example.com *.example.net ;
Unfortunately, for now, Internet Explorer does not fully support Content-Security-Policy.
UPDATE: MDN has removed their deprecation comment. Here's a similar comment from W3C's Content Security Policy Level
The frame-ancestors directive obsoletes the X-Frame-Op...
What is the difference between javac and the Eclipse compiler?
...ise, it will throw an exception indicating that you tried to run code that doesn't compile.
Another difference is that the Eclipse compiler allows for incremental builds from within the Eclipse IDE, that is, all code is compiled as soon as you finish typing.
The fact that Eclipse comes with its ow...
PostgreSQL return result set as JSON array?
...at this is because the cast has to parse the entire JSON result.
9.2
9.2 does not have the json_agg or to_json functions, so you need to use the older array_to_json:
SELECT array_to_json(array_agg(t)) FROM t
You can optionally include a row_to_json call in the query:
SELECT array_to_json(array...
Detect Chrome extension first run / update
... detects when the app or extension is installed in the background. What it does not do, however, is detect a first firing of the chrome.app.runtime.onLaunched event...
– realkstrawn93
Jan 26 '14 at 1:16
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