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Programming with white text on black background?
...in the darkness a black background would give less contrast, but then it's more a question of why you don't have proper lighting in your room...
There are of course personal preferences than can affect your choise of color setting, and your eyesight (or lack thereof) might also make one setting bet...
Are booleans as method arguments unacceptable? [closed]
...ions, neither of which is clearly yes or no, then an enum can sometimes be more readable.
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Decimal number regular expression, where digit after decimal is optional
...Use the following:
/^\d*\.?\d*$/
^ - Beginning of the line;
\d* - 0 or more digits;
\.? - An optional dot (escaped, because in regex, . is a special character);
\d* - 0 or more digits (the decimal part);
$ - End of the line.
This allows for .5 decimal rather than requiring the leading zero, su...
Memcached vs. Redis? [closed]
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Summary (TL;DR)
Updated June 3rd, 2017
Redis is more powerful, more popular, and better supported than memcached. Memcached can only do a small fraction of the things Redis can do. Redis is better even where their features overlap.
For anything new, use Redis.
Memcached vs...
Sequence contains more than one element
... which (I assume) should be unique, therefore, SingleOrDefault is actually more appropriate than FirstOrDefault. Also, this has actually raised a more serious problem with the OP's database design as it shows that it is possible to add 2 customers with the same ID!
– James
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Why do you not use C for your web apps?
...need to have really good people writing your programs. That means you pay more.
Also, C doesn't have the benefit of drawing from an enormous single standard library of functionality as .NET (and the other major web-centric platforms) has. So you may have to either buy components, or perform int...
Strengths of Shell Scripting compared to Python [closed]
...ow not sure whether I should invest my time in learning shell scripting anymore. So I want to ask:
8 Answers
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Differences between Perl and PHP [closed]
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Perl and PHP are more different than alike. Let's consider Perl 5, since Perl 6 is still under development. Some differences, grouped roughly by subject:
Perl has native regular expression support, including regexp literals. PHP uses Perl's...
Difference between scaling horizontally and vertically for databases [closed]
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Horizontal scaling means that you scale by adding more machines into your pool of resources whereas Vertical scaling means that you scale by adding more power (CPU, RAM) to an existing machine.
An easy way to remember this is to think of a machine on a server rack, we add mo...
Is there more to an interface than having the correct methods
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Interfaces are a way to make your code more flexible. What you do is this:
Ibox myBox=new Rectangle();
Then, later, if you decide you want to use a different kind of box (maybe there's another library, with a better kind of box), you switch your code to:
Ibox ...