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C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
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How do I upload a file with metadata using a REST web service?
I have a REST web service that currently exposes this URL:
6 Answers
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What are the differences between NP, NP-Complete and NP-Hard?
... the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions.
Decision problem: A problem with a yes or no answer.
Now, let us define those complexity classes.
P
P is a complexity class that repres...
Connecting to Azure website via FTP
...current azure portal the deployment credentials can be set by going to App Services / select relevant app service item / in the Deployment section / Deployment Center / FTP / Dashboard. You can either chose to use the preprovided App Credentials or assign User Credentials.
In the previous generatio...
Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
...rious issues because you leave all control to the thread pool and when the service is working with others in the same host, which might cause the others crash due to long-time CPU waiting. So I think newFixedThreadPool can be more secure in this kind of scenario. Also this post clarifies the most ou...
How to use Class in Java?
...A framework (of sorts) I worked with required you to pass the classname of services your module depended on. I built a layer on top of that that took Class objects, as to restrict the amount of choices. Using the Class<? extends X> notation I figured I could limit it to 'service' types only. E...
Building a complete online payment gateway like Paypal [closed]
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What you're talking about is becoming a payment service provider. I have been there and done that. It was a lot easier about 10 years ago than it is now, but if you have a phenomenal amount of time, money and patience available, it is still possible.
You will need to cont...
How to work around the lack of transactions in MongoDB?
...f you have more than 1 server, have to use an external distributed locking service
– Alexander Mills
Dec 12 '17 at 17:44
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Calling parent class __init__ with multiple inheritance, what's the right way?
...ing super() leads to greater flexibility for subclasses.
In the direct call approach, C.__init__ can call both A.__init__ and B.__init__.
When using super(), the classes need to be designed for cooperative multiple inheritance where C calls super, which invokes A's code which will also call supe...
How to format current time using a yyyyMMddHHmmss format?
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