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What is “overhead”?
...the word "overhead" a lot when it comes to programs and sorts. What does this mean exactly?
12 Answers
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What is the difference between active and passive FTP?
Can someone tell me what is the difference between active and passive FTP?
Which one is preferable?
5 Answers
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Why is an array not assignable to Iterable?
.... Anyway, arrays of references should be considered less than ideal - use Lists. As dfa comments, Arrays.asList will do the conversion for you, explicitly.
(Having said that, you can call clone on arrays.)
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When should the xlsm or xlsb formats be used?
... the components are not XML-based but are in a binary format: supposedly this is beneficial when working with large files.
https://blogs.msdn.microsoft.com/dmahugh/2006/08/22/new-binary-file-format-for-spreadsheets/
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Simplest two-way encryption using PHP
What is the simplest way of doing two way encryption in common PHP installs?
6 Answers
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Extract substring in Bash
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edited Nov 4 '15 at 22:51
Victor Yarema
74488 silv...
Best way to give a variable a default value (simulate Perl ||, ||= )
I love doing this sort of thing in Perl: $foo = $bar || $baz to assign $baz to $foo if $bar is empty or undefined. You also have $foo ||= $bletch which will only assign $bletch to $foo if $foo is not defined or empty.
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What does the @ symbol before a variable name mean in C#? [duplicate]
...he compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol?
4 Answers
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The difference between fork(), vfork(), exec() and clone()
...our on Google and I expected there to be a huge amount of information on this, but there really wasn't any solid comparison between the four calls.
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What is Erlang written in?
What is Ericsson's implementation of Erlang and Erlang/OTP written and compiled in? Is is assembly, C or Erlang itself?
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