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How do I avoid capturing self in blocks when implementing an API?
I have a working app and I'm working on converting it to ARC in Xcode 4.2. One of the pre-check warnings involves capturing self strongly in a block leading to a retain cycle. I've made a simple code sample to illustrate the issue. I believe I understand what this means but I'm not sure the "corre...
How to get RelativeLayout working with merge and include?
...source code shows that id, visibility and layout_* tags overriding are not applied when the root element is a merge tag, unfortunately. As you can't have a View as the xml root, we must have an extra ViewGroup there...
– Rafael Nobre
Jul 24 '13 at 13:20
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How is mime type of an uploaded file determined by browser?
I have a web app where the user needs to upload a .zip file. On the server-side, I am checking the mime type of the uploaded file, to make sure it is application/x-zip-compressed or application/zip .
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Does every Core Data Relationship have to have an Inverse?
Let's say I have two Entity classes: SocialApp and SocialAppType
8 Answers
8
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Override intranet compatibility mode IE8
... In addition, this doesn't allow for maintaining compatibility with old applications. If you uncheck that setting, your old apps may break with no way to update them. I think the asker is looking for a way to force standards mode when all other apps on their intranet require the checkbox to be c...
How to turn on WCF tracing?
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The following configuration taken from MSDN can be applied to enable tracing on your WCF service.
<configuration>
<system.diagnostics>
<sources>
<source name="System.ServiceModel"
switchValue="Information, ActivityTracing"
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How do ACID and database transactions work?
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ACID is a set of properties that you would like to apply when modifying a database.
Atomicity
Consistency
Isolation
Durability
A transaction is a set of related changes which is used to achieve some of the ACID properties. Transactions are tools to achieve the ACID proper...
Android Location Providers - GPS or Network Provider?
In my application I would like to determine the user's current location. I do however have a couple of questions in this regard:
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How to check for valid email address? [duplicate]
...: http://www.faqs.org/rfcs/rfc3696.html
Found some old code:
import lepl.apps.rfc3696
email_validator = lepl.apps.rfc3696.Email()
if not email_validator("email@example.com"):
print "Invalid email"
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Can you autoplay HTML5 videos on the iPad?
...y device owners have data usage/bandwidth limits on their devices, I think Apple felt that the user themselves should decide when they initiate bandwidth usage.
After a bit of research I found the following extract in the Apple documentation in regard to auto-play on iOS devices to confirm my ass...