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NSString property: copy or retain?
...not, then it just gets retained. Exactly the semantics that you want in an app (let the type do what's best).
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How to increase the gap between text and underlining in CSS
Using CSS, when text has text-decoration:underline applied, is it possible to increase the distance between the text and the underline?
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Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
... Didn't work for me. I had to revoke my old key and then let heroku app generate and upload a new one for me. See the link on how to do this provided by Lithium.
– borisdiakur
Oct 26 '11 at 22:49
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Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...of the TransformGroup, and there are not any variables that store them. My app is a 3d molecule builder, and all my atoms and bounds are just added to the TransformGroup as instances- e.g (new Atom()). The problem is not only that I need them written to a file, but that the user may want to remove o...
How to log request and response body with Retrofit-Android?
...e about this interceptor
Add Logging to Retrofit 2
While developing your app and for debugging purposes it’s nice to have a log feature integrated to show request and response information. Since logging isn’t integrated by default anymore in Retrofit 2, we need to add a logging interceptor for...
Does Swift support reflection?
...there's the start of some reflection support:
class Fruit {
var name="Apple"
}
reflect(Fruit()).count // 1
reflect(Fruit())[0].0 // "name"
reflect(Fruit())[0].1.summary // "Apple"
From mchambers gist, here:
https://gist.github.com/mchambers/fb9da554898dae3e54f2
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JavaScript: client-side vs. server-side validation
...There are some validations that can't even be properly done in server-side application code, and are utterly impossible in client-side code, because they depend on the current state of the database. For example, "nobody else has registered that username", or "the blog post you're commenting on still...
Heroku free account limited?
...database
Heroku provides, for free, 1 dyno. A dyno is an instance of your application running and responding to requests. If each instance of your application can serve each request in 100ms, then you get 600 requests/minute with the free account.
Your application code and its assets (the slug) ar...
Example for boost shared_mutex (multiple reads/one write)?
I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
Merging two images in C#/.NET
...
basically i use this in one of our apps:
we want to overlay a playicon over a frame of a video:
Image playbutton;
try
{
playbutton = Image.FromFile(/*somekindofpath*/);
}
catch (Exception ex)
{
return;
}
Image frame;
try
{
frame = Image.FromFile(...