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Do I set properties to nil in dealloc when using ARC?
...ong answer: You should never nil out properties in dealloc, even in manual m>me m>mory managem>me m>nt.
In MRR, you should release your ivars. Nilling out properties m>me m>ans calling setters, which may invoke code that it shouldn't touch in dealloc (e.g. if your class, or a subclass, overrides the setter). Simi...
How to use jQuery in chrom>me m> extension?
I am writing a chrom>me m> extension. And I want to use jQuery in my extension. I am not using any background page , just a background script .
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How do I write a custom init for a UIView subclass in Swift?
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The init(fram>me m>:) version is the default initializer. You must call it only after initializing your instance variables. If this view is being reconstituted from a Nib then your custom initializer will not be called, and instead the init?(...
How to create ASP.NET Web API Url?
In ASP.NET MVC, we have @Url.Action for actions. Is there som>me m>thing similar like @Url.Api which would route to /api/controller?
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Change values while iterating
..., range uses a[i] as its second value for arrays/slices, which effectively m>me m>ans that the
value is copied, making the original value untouchable.
This behavior is demonstrated by the following code:
x := make([]int, 3)
x[0], x[1], x[2] = 1, 2, 3
for i, val := range x {
println(&x[i], "vs...
updating table rows in postgres using subquery
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Postgres allows:
UPDATE dummy
SET custom>me m>r=subquery.custom>me m>r,
address=subquery.address,
partn=subquery.partn
FROM (SELECT address_id, custom>me m>r, address, partn
FROM /* big hairy SQL */ ...) AS subquery
WHERE dummy.address_id=subquery.address_id;
Th...
Hibernate openSession() vs getCurrentSession()
I have som>me m> questions about using Hibernate in JSP web application.
5 Answers
5
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Separation of JUnit classes into special test package?
I am learning the concepts of Test-Driven Developm>me m>nt through reading the Craftsman articles (click Craftsman under By Topic ) recomm>me m>nded in an answer to my previous question, "Sample project for learning JUnit and proper software engineering" . I love it so far!
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In Python, how do I read the exif data for an image?
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You can use the _getexif() protected m>me m>thod of a PIL Image.
import PIL.Image
img = PIL.Image.open('img.jpg')
exif_data = img._getexif()
This should give you a dictionary indexed by EXIF num>me m>ric tags. If you want the dictionary indexed by the actual EXIF tag na...
enum.values() - is an order of returned enums deterministic
I have a enum SOm>ME m>_ENUM :
4 Answers
4
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