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How do iOS Push Notifications work?
...es.
On initial launch of your app on a user’s device, the system automatically establishes an accredited, encrypted, and persistent IP connection between your app and APNs. This connection allows your app to perform setup to enable it to receive notifications, as explained in Configuring Remote No...
IE8 and JQuery's trim()
...oes not return a jQuery object, so chaining is out of the option. You were calling the trim() method on a string, but IE does not know about String.trim.
– janmoesen
Aug 9 '10 at 11:08
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Scope of sessionStorage and localStorage
...have verified my statements a while back by viewing the sqlite(3) database called webappsstore.sqlite in my Firefox profile directory, using query SELECT scope FROM webappsstore2;. The result is the reverse of the domain, followed by the non-reversed protocol, and sufficed with the port, eg: gro.all...
How to rename a table in SQL Server?
... table name. (I know, I know, but dots can happen...) E.g. sp_rename '[Stupid.name]', 'NewName' or with schema sp_rename '[dbo.Stupid.name]', 'NewName'
– vacip
Jul 25 '16 at 14:44
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How to redirect the output of an application in background to /dev/null
... file, one thing that I noticed is that it leaves the command console that called the file without a prompt.
– Dennis
Mar 10 '13 at 17:28
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Is there a command to list all Unix group names? [closed]
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Yes MichaelIT is right the groups command did not list all groups. I asked this because unsure if there is a simple command like groups to lists all groups names or even a swith to it like groups [-a|--all] to list all system groups without doing file scan.
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What does @@variable mean in Ruby?
... don't understand what the ruby class << self end block does, specifically the << operator.
– davidtingsu
Jun 4 '13 at 17:55
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How can I change the copyright template in Xcode 4?
...dentity displays your Project Name.
Under Project Document is a text field called Organization. That's the proper place to set the value you want.
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What is the difference between origin and upstream on GitHub?
...b forks (where you fork a GitHub repo on GitHub before cloning that fork locally).
upstream generally refers to the original repo that you have forked
(see also "Definition of “downstream” and “upstream”" for more on upstream term)
origin is your fork: your own repo on GitHub, clone of th...
What does android:layout_weight mean?
...ht of the table to 1.
To get it work you also have to set the height or width (depending on your orientation) to 0px.
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