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Convert Elixir string to integer or float
...er directly. If you want to do that, see @Szymon Jeż answer with String.to_integer/1
– user4275029
Sep 26 '16 at 12:27
6
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Stack, Static, and Heap in C++
...t understood very well these three concepts. When do I have to use dynamic allocation (in the heap) and what's its real advantage? What are the problems of static and stack? Could I write an entire application without allocating variables in the heap?
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Insert text into textarea with jQuery
... and a text field. I believe this.value for instance should be this.val(), etc..
– Nick
Feb 25 '10 at 19:45
1
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What does “|=” mean? (pipe equal operator)
...tup a hasChanges boolean and set it to |= diff (a,b) and then |= dif(b,c) etc.
Here is a brief example:
groovy> boolean hasChanges, a, b, c, d
groovy> diff = {x,y -> x!=y}
groovy> hasChanges |= diff(a,b)
groovy> hasChanges |= diff(b,c)
groovy> hasChanges |= diff(true,false) ...
Best data type to store money values in MySQL
...e ago that currency figures should be stored to 4 decimals even for £, $, etc. so that certain calculations might actually use the last 2 decimal places for certain obscure accounting contexts. Wd need an accountant to confirm/refute.
– mike rodent
Aug 3 '17 ...
Should we use Nexus or Artifactory for a Maven Repo?
...s.xml
Deploying from Maven works out of the box (no need for WebDAV hacks, etc).
it's free
You can redirect access paths (i.e. some broken pom.xml requires "a.b.c" from "xxx"). Instead of patching the POM, you can fix the bug in Nexus and redirect the request to the place where the artifact really i...
Finding the average of a list
...It has other methods too like stdev, variance, mode, harmonic mean, median etc which are too useful.
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How can I exclude directories from grep -R?
...t' keyword . does not. I tried adding regex wildcards, escaping characters etc, but nothing seems to help.
– dkobozev
Jul 6 '16 at 23:47
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How to use CMAKE_INSTALL_PREFIX
...(should be /foo/bar/bubba
-- The C compiler identification is GNU 4.4.7
-- etc, etc,...
CIP = /usr/local (should be /foo/bar/bubba
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- Configuring done
-- Generating done
Second run
CIP = /foo/bar/bubba (should be /foo/bar/bubba
CIP = /foo/bar/bubba (...
How to find out what character key is pressed?
...ydown', function(event) {
const key = event.key; // "a", "1", "Shift", etc.
});
If you want to make sure only single characters are entered, check key.length === 1, or that it is one of the characters you expect.
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