It's nice if your language has support for monetary amounts, but usually you end up using multiple languages that interact with the same database model, and you still end up using a built in numeric datatype in your…
flushHeaders() is there to have a simple bug to find. In real world cases, tools like tcpdump and strace are essential, and I think this is a nice way to teach about how these tools can be used.
While processing a payment a psp/acquirer is mostly receiving money, so no need to check if there is balance available. Only for cases like refunds and card payouts you need to know if a merchant has sufficient balance…
No, if you replace it they don't have a key, and you don't have to give it to them.
In The Netherlands you have the right to replace the locks with your own locks, as long as you can re-install the original lock once you move out. How is that arranged in the US?
It's nice if your language has support for monetary amounts, but usually you end up using multiple languages that interact with the same database model, and you still end up using a built in numeric datatype in your…
flushHeaders() is there to have a simple bug to find. In real world cases, tools like tcpdump and strace are essential, and I think this is a nice way to teach about how these tools can be used.
While processing a payment a psp/acquirer is mostly receiving money, so no need to check if there is balance available. Only for cases like refunds and card payouts you need to know if a merchant has sufficient balance…
No, if you replace it they don't have a key, and you don't have to give it to them.
In The Netherlands you have the right to replace the locks with your own locks, as long as you can re-install the original lock once you move out. How is that arranged in the US?