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Why use AJAX when WebSockets is available?
...o-exist with existing frameworks and deployed technologies (OAuth, RESTful APIs, proxies, load balancers) then this would be a factor in favor of Comet techniques (for now).
If you don't need the specific benefits that WebSockets provides, then it's probably a better idea to stick with existing tec...
Private virtual method in C++
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I find your argument invalid. You as a developer of an API should strive for an interface that is hard to use incorrectly and not set another developer up for your own mistakes in doing so. What you want to do in your example could be implemented with only private virtual methods...
Accessing the web page's HTTP Headers in JavaScript
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Unfortunately, there isn't an API to give you the HTTP response headers for your initial page request. That was the original question posted here. It has been repeatedly asked, too, because some people would like to get the actual response headers of the ...
How do I delete all messages from a single queue using the CLI?
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To purge queue you can use following command (more information in API doc):
curl -i -u guest:guest -XDELETE http://localhost:15672/api/queues/vhost_name/queue_name/contents
share
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improv...
static files with express.js
... It is a global in your nodejs module. nodejs.org/docs/latest/api/globals.html#globals_dirname
– ChrisCantrell
Oct 28 '14 at 18:10
7
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How to get a Static property with Reflection
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Just wanted to clarify this for myself, while using the new reflection API based on TypeInfo - where BindingFlags is not available reliably (depending on target framework).
In the 'new' reflection, to get the static properties for a type (not including base class(es)) you have to do something l...
Creating a BLOB from a Base64 string in JavaScript
...al method without any dependencies or libraries.
It requires the new fetch API. (Can I use it?)
var url = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
fetch(url)
.then(res => res.blob())
.then(con...
How do I iterate through the files in a directory in Java?
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@BoratSagdiyev, Not using the old Java file APIs, but if you're on a modern JVM then the java.nio.file.DirectoryStream allows you to iterate over a directory, and could be implemented to have a small memory footprint but the only way to tell for sure would be to monito...
Remove elements from collection while iterating
...books.removeIf(b -> b.getIsbn().equals(other));
Or use the new stream API:
ISBN other = new ISBN("0-201-63361-2");
List<Book> filtered = books.stream()
.filter(b -> b.getIsbn().equals(other))
.collect(Collectors.toList());
In thi...
How do I use valgrind to find memory leaks?
...y? The variable value is considered a "borrowed reference" in the Jansson
API. Jansson keeps track of its memory for you, and you simply have to decref
JSON structures independent of each other. The lesson here:
read the documentation. Really. It's sometimes hard to understand, but
they're telli...