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how can you easily check if access is denied for a file in .NET?
...which tend to be fairly static. This makes the problem difficult to track down later and makes it easy for this kind of bug to make it into production.
What this means is that you still have to be able to handle the exception if file permissions or existence are bad, in spite of your check. Except...
How to make junior programmers write tests? [closed]
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He's already doing this. Really. He just doesn't write it down. Not convinced? Watch him go through the standard development cycle:
Write a piece of code
Compile it
Run to see what it does
Write the next piece of code
Step #3 is the test. He already does testing, he just does it...
Is there a good reason to use upper case for SQL keywords? [closed]
... then, I felt terrible for my baby (5th) finger, that always needs to hold down the Shift button, so I stopped using upper case. Any reason why I should go back to upper case?
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How can I make setInterval also work when a tab is inactive in Chrome?
...mentioned before), because they run in separate process and are not slowed down
I've written a tiny script that can be used without changes to your code - it simply overrides functions setTimeout, clearTimeout, setInterval, clearInterval.
Just include it before all your code.
more info here
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https connection using CURL from command line
... while connecting to a server.
Basically, I need to test connectivity over https from one machine to another machine.
I have a URL to which I need to connect from Machine A (a linux machine)
I tried this on command prompt
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What is the difference between map and flatMap and a good use case for each?
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It boils down to your initial question: what you mean by flattening ?
When you use flatMap, a "multi-dimensional" collection becomes "one-dimensional" collection.
val array1d = Array ("1,2,3", "4,5,6", "7,8,9")
//array1d is an...
How do cache lines work?
...he least signficant six bits of the address, which corresponds to rounding down to the nearest address that is divisible by 64.
Though this is done by hardware, we can show the calculations using some reference C macro definitions:
#define CACHE_BLOCK_BITS 6
#define CACHE_BLOCK_SIZE (1U << C...
Make Https call using HttpClient
...at & fast way compared to WebClient . However I am stuck up while making Https calls.
13 Answers
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Is there a standard for storing normalized phone numbers in a database?
...something with that stored phone number such as display it. Rather than go down this road of trying to parse it enough to display it how you want I'd rather store it in a normalized way. Now I'm not saying we should go as far to enforce parenthesis around the area code. What I'm saying is that it's ...
What is the difference between float and double?
...0.979999
0.989999
0.999999
As you can see after 0.83, the precision runs down significantly.
However, if I set up t as double, such an issue won't happen.
It took me five hours to realize this minor error, which ruined my program.
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