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How to convert a char array back to a string?
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@A.H. I don't know about that. String gave way to StringBuffer which gave way to StringBuilder. I bet StringBuffer proponents said the same thing then, and now have to refactor code to use StringBuilder.
– corsiKa
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How can I calculate the time between 2 Dates in typescript
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A tip, instead of using new Date().getTime() use Date.now() so you don't make new objects unnecessarily.
– PhoneixS
Mar 6 '18 at 12:34
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How do you run a single test/spec file in RSpec?
...troller_spec.rb \
SPEC_OPTS="-e \"should log in with cookie\""
Now figure out how to embed this into your editor.
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What is the use of the ArraySegment class?
...ent<T> has become a lot more useful in .NET 4.5+ and .NET Core as it now implements:
IList<T>
ICollection<T>
IEnumerable<T>
IEnumerable
IReadOnlyList<T>
IReadOnlyCollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The cl...
Rails: convert UTC DateTime to another time zone
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zone = ActiveSupport::TimeZone.new("Central Time (US & Canada)")
Time.now.in_time_zone(zone)
or just
Time.now.in_time_zone("Central Time (US & Canada)")
You can find the names of the ActiveSupport time zones by doing:
ActiveSupport::TimeZone.all.map(&:name)
# or for just US
Active...
Eclipse copy/paste entire line keyboard shortcut
Anyone know the keyboard shortcut to copy/paste a line into a new line in Eclipse , without having to highlight the entire line?
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What's the difference between JPA and Hibernate? [closed]
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This metaphor does not add understanding. If you already know the difference, you'll find it amuzing. If you don't know the difference, you will still not know it.
– Nick Volynkin
Feb 15 '17 at 10:18
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How to access command line parameters?
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println(args[0]);
}
It seems that Rust is still pretty volatile right now with even standard IO, so this may become out of date fairly quickly.
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Is there a difference between foreach and map?
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Thanks! Now I understand the difference. It had been hazy for me for quite some time
– Robert Gould
Dec 10 '08 at 2:18
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#define macro for debug printing in C?
...() in the example — to handle things like 'stderr'. It requires you to know how to write varargs functions, but that isn't hard:
#include <stdarg.h>
#include <stdio.h>
void dbg_printf(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);...