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Rails Object to hash
...ampaign.as_json(
{
except: [:created_at, :updated_at],
include: {
shop: {
except: [:created_at, :updated_at, :customer_id],
include: {customer: {except: [:created_at, :updated_at]}}},
list: {
except: [:create...
How can you use an object's property in a double-quoted string?
...hose cases, nothing more. To force evaluation of more complex expressions, including indexes, properties or even complete calculations, you have to enclose those in the subexpression operator $( ) which causes the expression inside to be evaluated and embedded in the string.
...
How do I add an existing Solution to GitHub from Visual Studio 2013
...ver, when you do this it adds all the files below that folder to the repo, including build output (bin/ obj/ folders) user options files (.suo, .csproj.user) and numerous other files that may be in your solution folder but that you don't want to include in your repo. One unwanted side effect of th...
How to default to other directory instead of home directory
.../work_space_for_my_company/project/code_source ; }
If the directory name includes spaces or other shell metacharacters, you'll need quotation marks; it won't hurt to add them even if they're not necessary:
foo() { cd "/d/Work Space/project/code_source" ; }
(Note that I've omitted the ../../..; ...
How to count the number of files in a directory using Python
...
For all kind of files, subdirectories included:
import os
list = os.listdir(dir) # dir is your directory path
number_files = len(list)
print number_files
Only files (avoiding subdirectories):
import os
onlyfiles = next(os.walk(dir))[2] #dir is your director...
How do I list all tables in a schema in Oracle SQL?
..., the *_TABLES data dictionary views (DBA_TABLES, ALL_TABLES, USER_TABLES) include views.
– Adam Musch
Feb 11 '10 at 21:04
...
Appending a vector to a vector [duplicate]
...t something, you know, simpler?
(Scroll down to main for the punchline)
#include <type_traits>
#include <vector>
#include <iterator>
#include <iostream>
template<typename C,typename=void> struct can_reserve: std::false_type {};
template<typename T, typename A>...
How do you append an int to a string in C++? [duplicate]
...
With C++11, you can write:
#include <string> // to use std::string, std::to_string() and "+" operator acting on strings
int i = 4;
std::string text = "Player ";
text += std::to_string(i);
...
How do I get the full url of the page I am on in C#
...
I usually use Request.Url.ToString() to get the full url (including querystring), no concatenation required.
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