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Variable is accessed within inner class. Needs to be declared final
...e final in Java, but I am not sure if you can use it when building Android app, so Googling it might be a good idea :-)
– Kevin Zhao
Oct 12 '15 at 20:15
15
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java get file size efficiently
...the available() method returns an int should be a red flag against the URL approach. Try it with a 3GB file and it will be obvious that it is not a valid way to determine the file length.
– Scrubbie
May 30 '14 at 18:44
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SQLite Concurrent Access
...ize contention. Especially SQLite 3.
For most desktop/laptop/tablet/phone applications, SQLite is fast enough as there's not enough concurrency. (Firefox uses SQLite extensively for bookmarks, history, etc.)
For server applications, somebody some time ago said that anything less than 100K page vie...
See what process is using a file in Mac OS X
...I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being used instead of the debug version and I'd like to see which process is touching it.
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CSS Progress Circle [closed]
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Large performance hit though.. making it unusable for my app =[
– Hobbes
Aug 20 '14 at 21:25
2
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Creation timestamp and last update timestamp with Hibernate and MySQL
...ava.util.Date;
import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
@MappedSuperclass
public abstract class AbstractTimestampEnt...
Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?
I'm working on my usual projects on Eclipse, it's a J2EE application, made with Spring, Hibernate and so on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out li...
Split list into multiple lists with fixed number of elements
... splitInner(Nil, xs, n).reverse
}
}
object ListSplitterTest extends App {
val res = ListSplitter.split(List(1,2,3,4,5,6,7), 2)
println(res)
}
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Join vs. sub-query
... to distinguish the two. (also the 'very rare' really depends on your data/app).
– Unreason
May 28 '10 at 9:48
21
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ios Upload Image and Text using HTTP POST
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Here's code from my app to post an image to our web server:
// Dictionary that holds post parameters. You can set your post parameters that your server accepts or programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc]...