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How do I get ruby to print a full backtrace instead of a truncated one?
...
This produces the error description and nice clean, indented stacktrace:
begin
# Some exception throwing code
rescue => e
puts "Error during processing: #{$!}"
puts "Backtrace:\n\t#{e.backtrace.join("\n\t")}"
end
...
What's the meaning of interface{}?
...interface that has no methods.
Since there is no implements keyword, all types implement at least zero methods, and satisfying an interface is done automatically, all types satisfy the empty interface.
That means that if you write a function that takes an interface{} value as a parameter, yo...
How to change the docker image installation directory?
...mnt"
– mbarthelemy
Jun 23 '14 at 17:05
6
Doesn't work in Fedora. See my answer if your distro is ...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...y integer arithmetic in floating-point is exact, so decimal representation errors can be avoided by scaling1.
Note that while the set of real numbers is infinite, only a finite number of them (18,437,736,874,454,810,627 to be exact) can be represented exactly by the JavaScript floating-point format...
Initialize a nested struct
...tters otherwise, you will face cannot refer to unexported field or method error.
– tagaism
Jun 17 at 17:45
...
A fast method to round a double to a 32-bit int explained
... this:
and it can be seen as two 32-bit integers; now, the int taken in all the versions of your code (supposing it's a 32-bit int) is the one on the right in the figure, so what you are doing in the end is just taking the lowest 32 bits of mantissa.
Now, to the magic number; as you correctly ...
Using jquery to get element's position relative to viewport
...
Look into the Dimensions plugin, specifically scrollTop()/scrollLeft(). Information can be found at http://api.jquery.com/scrollTop.
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How can I get the count of milliseconds since midnight for the current?
...meMillis();
System.out.println(new Date(timeNow));
Fri Apr 04 14:27:05 PDT 2014
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Execute a command line binary with Node.js
...d_process');
const child = spawnSync('ls', ['-lh', '/usr']);
console.log('error', child.error);
console.log('stdout ', child.stdout);
console.log('stderr ', child.stderr);
Note: The following code is still functional, but is primarily targeted at users of ES5 and before.
The module for spawnin...
How do I clear the terminal screen in Haskell?
...nal support, with Windows compatibility You can find it in Hackage and install using cabal install ansi-terminal. It specifically has functions for clearing the screen, displaying colors, moving the cursor, etc. Using it to clear the screen is easy: (this is with GHCI) import System.Console.ANSIclea...