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Does ARC support dispatch queues?
...answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. You do not need to (and c...
Border for an Image view in Android?
...he Image View as Drawable. It works.
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#FFFFFF" />
<stroke android:width="1dp" android:color="#000000" />
<padding android:left="1dp" ...
SQLAlchemy: What's the difference between flush() and commit()?
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edited Jan 6 '18 at 8:55
Ilja Everilä
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Copy folder structure (without files) from one location to another
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Greg HewgillGreg Hewgill
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foldl versus foldr behavior with infinite lists
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This is mostly a great explanation, but I find the description of foldl as "backward" and foldr as "forward" problematic. This is in part b...
Build Eclipse Java Project from Command Line
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How can I determine what font a browser is actually using to render some text?
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Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
...l of the protocol):
<link rel="stylesheet" href="//code.jquery.com/ui/1.8.10/themes/smoothness/jquery-ui.css" type="text/css">
<script type="text/javascript" src="//ajax.aspnetcdn.com/ajax/jquery.ui/1.8.10/jquery-ui.min.js"></script>
Note that the temporary 'fix' is to click on th...
How can I dynamically create derived classes from a base class
...le "<stdin>", line 1, in <module>
File "<stdin>", line 8, in __init__
TypeError: Argument d not valid for SpecialClass
I see you are asking for inserting the dynamic names in the naming scope --
now, that is not considered a good practice in Python - you either have
variable na...
ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
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Your root account, and this statement applies to any account, may only have been added with loca...