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How to make a function wait until a callback has been called using node.js
...ine that will handle the resulting value:
function(query, callback) {
myApi.exec('SomeCommand', function(response) {
// other stuff here...
// bla bla..
callback(response); // this will "return" your value to the original caller
});
}
So you dont use it like this:
var returnValue...
Recommendations of Python REST (web services) framework? [closed]
...-based REST frameworks for use on the serverside to write your own RESTful APIs? Preferably with pros and cons.
16 Answers
...
How to iterate through range of Dates in Java?
...
Well, you could do something like this using Java 8's time-API, for this problem specifically java.time.LocalDate (or the equivalent Joda Time classes for Java 7 and older)
for (LocalDate date = startDate; date.isBefore(endDate); date = date.plusDays(1))
{
...
}
I would thorou...
Do I need a Global.asax.cs file at all if I'm using an OWIN Startup.cs class and move all configurat
...1 line of code: WebApp.Start<Startup>("localhost:3001/") asp.net/web-api/overview/hosting-aspnet-web-api/… It's especially handy for writing integration tests
– Boris Lipschitz
Jun 30 '14 at 3:59
...
Measure elapsed time in Swift
...is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBlock: () -> Int) -> Answer
{
print("Evaluating problem \(problemNumber)")
let start = DispatchTime.now() /...
How to perform file system scanning
...ugh people still hit this answer, that I thought I'd update it for the Go1 API. This is a working example of filepath.Walk(). The original is below.
package main
import (
"path/filepath"
"os"
"flag"
"fmt"
)
func visit(path string, f os.FileInfo, err error) error {
fmt.Printf("Visited:...
Django Rest Framework File Upload
...instead, you'll find an example in the docs :)
class FileUploadView(views.APIView):
parser_classes = (FileUploadParser,)
def put(self, request, filename, format=None):
file_obj = request.FILES['file']
# do some stuff with uploaded file
return Response(status=204)
...
Apache Kafka vs Apache Storm
...ars and since version 0.10 (April 2016) Kafka has included a Kafka Streams API which provides stream processing capabilities without the need for any additional software such as Storm. Kafka also includes the Connect API for connecting into various sources and sinks (destinations) of data.
Announce...
System.currentTimeMillis vs System.nanoTime
...n.com/bugdatabase/view_bug.do?bug_id=6519418 docs.oracle.com/javase/7/docs/api/java/lang/…
– user454322
Oct 9 '12 at 10:45
16
...
Perform debounce in React.js
...r more details.
2018: try promise debouncing
We often want to debounce API calls to avoid flooding the backend with useless requests.
In 2018, working with callbacks (Lodash/Underscore) feels bad and error-prone to me. It's easy to encounter boilerplate and concurrency issues due to API calls r...