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What is the meaning of erb?
...ext file. It can be extremely valuable when you need to create files which include many repetitions of a standard pattern, such as unit test suites.
The main component of ERB is a library which you can call within your Ruby applications and Rake tasks. This library accepts any string as a template, ...
What is the MySQL VARCHAR max size?
... situation where utf8 does not. If you examine the character sets that are included in utf8mb4 but not in utf8, you may find that including all of the various forms of hieroglyphics and other such arcane character sets is not worth the significant performance penalty (determined empirically). It's n...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
... you have defined a section in your master Layout.cshtml, but you have not included anything for that section in your View.
If your _Layout.cshtml has something like this:
@RenderSection("scripts")
Then all Views that use that Layout must include a @section with the same name (even if the conten...
Formula to determine brightness of RGB color
...
I like that you put in precise values, but also included a quick "close enough" type shortcut. +1.
– Beska
Feb 27 '09 at 20:39
3
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How can I list ALL DNS records?
...
Amazon's Route53 nameservers did not include TXT, MX and SOA when I tried this. After I specifically queried these records they where included in ANY answers. So take this with a grain of salt.
– Peter
Jun 12 '14 at 8:10
...
Is it possible to declare git repository as dependency in android gradle?
...ike this
$ git submodule add my_sub_project_git_url my-sub-project
Then include the project in your settings.gradle file which should look like this
include ':my-app', ':my-sub-project'
Finally, compile the project as a dependency in your application build.gradle file like this
dependencies {...
Remove unwanted parts from strings in a column
...Ns or no-matches are a possibility, you will need to re-write the above to include some error checking. I do this using a function.
def try_extract(pattern, string):
try:
m = pattern.search(string)
return m.group(0)
except (TypeError, ValueError, AttributeError):
ret...
Display name of the current file in vim?
.... it will show ~/dev/file.py instead of file.py. 2 followed by ctrl-g will include which buffer: buf 1: "~/dev/file.py".
– ives
Jan 11 '19 at 18:04
...
Impossible to Install PG gem on my mac with Mavericks
...n/pg_config
If you run in to missing headers problem, try specifying the include directory of the app:
gem install pg -- --with-pg-include='/Applications/Postgres.app/Contents/Versions/latest/include/'
share
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...
In-Place Radix Sort
...to fit within your working set.
Here is a hack that shows the technique
#include <iostream>
#include <iomanip>
#include <math.h>
using namespace std;
const int width = 3;
const int bucketCount = exp(width * log(4)) + 1;
int *bucket = NULL;
const char charMap[4] = {'A', ...