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Detect If Browser Tab Has Focus
...cause it runs the risk of overriding some other event listener in a larger application. You should instead follow this answer: stackoverflow.com/a/21935031/549503
– mmmeff
Sep 21 '18 at 22:32
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Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
... If you're not using nibs or storyboards, this also works if you put it in applyLayoutAttributes:
– cetcet
Sep 25 '14 at 23:01
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Android RelativeLayout programmatically Set “centerInParent”
...Params.addRule(RelativeLayout.CENTER_IN_PARENT, -1); in my situation. Your app may require a different value in the "anchor" field.
– Ben Mc
Jul 29 '11 at 21:51
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“render :nothing => true” returns empty plaintext file?
...he preferred solution for that too (but obviously the OP is on a Rails 2.3 app so the chosen answer was appropriate).
– Asfand Qazi
Sep 17 '14 at 18:06
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Preferred Java way to ping an HTTP URL for availability
...e request method. However, you need to take into account that some poor webapps or homegrown servers may return HTTP 405 error for a HEAD (i.e. not available, not implemented, not allowed) while a GET works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not d...
If string is empty then return some default value
... with a model. If you wanted a reasonable default value everywhere in your app, you could (for example) override the address method for your User model.
I don't know ActiveRecord well enough to provide good code for this; in Sequel it would be something like:
class User < Sequel::Model
def ad...
Linq: adding conditions to the where clause conditionally
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If you do not call ToList() and your final mapping to the DTO type, you can add Where clauses as you go, and build the results at the end:
var query = from u in DataContext.Users
where u.Division == strUserDiv
&& u.Age > 18
&& u.Height >...
Good reasons NOT to use a relational database?
... to use them instead of good-old relational databases? In my opinion, most applications rarely use the full power of SQL--it would be interesting to see how to build an SQL-free application.
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How do I determine file encoding in OS X?
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@JamesA.Rosen OS X apps like TextEdit do store file encoding as an attribute (named "com.apple.TextEncoding"). It's quite likely that the attributes indicated by that @ include the file encoding attribute. You can use the command xattr -p com.a...
How to set request headers in rspec request spec?
...u can try something like this:
get '/my/path', nil, {'HTTP_ACCEPT' => "application/json"}
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