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Swift equivalent for MIN and MAX macros
... @GoZoner Sometimes you just have to type it up in Xcode and check out the Swift header. If you type let a : Int = 5 and Command + Click on Int, you get to see cool stuff!
– Jack
Jun 12 '14 at 14:37
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Why must wait() always be in synchronized block
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A wait() only makes sense when there is also a notify(), so it's always about communication between threads, and that needs synchronization to work correctly. One could argue that this should be implicit, but that would not really help, for the following reason:
Semantically, you never just wait()...
Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
5 Answers
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Variable number of arguments in C++?
...ult arguments etc. These are all safer: the compiler gets to know more about what you're trying to do so there are more occasions it can stop you before you blow your leg off.
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is node.js' console.log asynchronous?
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Update: Starting with Node 0.6 this post is obsolete, since stdout is synchronous now.
Well let's see what console.log actually does.
First of all it's part of the console module:
exports.log = function() {
process.stdout.write(format.apply(this, arguments) + '\n');
};
So it simpl...
Why use softmax as opposed to standard normalization?
In the output layer of a neural network, it is typical to use the softmax function to approximate a probability distribution:
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Will the Garbage Collector call IDisposable.Dispose for me?
...zers are not deterministic destructors like in C++. As others have pointed out, there is no guarantee of when it will be called, and indeed if you have enough memory, if it will ever be called.
But the bad thing about finalizers is that, as Brian said, it causes your object to survive a garbage col...
How can I hash a password in Java?
...ecret(spec).getEncoded();
Base64.Encoder enc = Base64.getEncoder();
System.out.printf("salt: %s%n", enc.encodeToString(salt));
System.out.printf("hash: %s%n", enc.encodeToString(hash));
Here's a utility class that you can use for PBKDF2 password authentication:
import java.security.NoSuchAlgorith...
Does “display:none” prevent an image from loading?
...browser is on a small CPU computer, not having to render the image (and layout the page) will make the whole rendering operation faster but I doubt this is something that really makes sense today.
If you want to prevent the image from loading you may simply not add the IMG element to your document ...
Git: which is the default configured remote for branch?
...e last sentence of this error message below makes me wonder: How do I find out which is the "default configured remote for your current branch" ? And how do I set it?
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