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Check if a table exists in Rails
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304
In Rails 5 the API became explicit regarding tables/views, collectively data sources.
# Table...
How to print something without a new line in ruby
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3 Answers
3
Active
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php中json_decode()和json_encode()的使用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...Example #1 json_decode() 的例子
<?php
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
var_dump(json_decode($json));
var_dump(json_decode($json, true));
?>
上例将输出：
object(stdClass)#1 (5) {
["a"] => int(1)
["b"] => int(2)
["c"] => int(3)
["d"] => int(4)
["e"] => i...
.NET HttpClient. How to POST string value?
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437
using System;
using System.Collections.Generic;
using System.Net.Http;
class Program
{
sta...
Does uninstalling a package with “pip” also remove the dependent packages?
...dependencies of specloud package
figleaf==0.6.1
nose==1.1.2
pinocchio==0.3
specloud==0.4.5
$ pip uninstall specloud
$ pip freeze
figleaf==0.6.1
nose==1.1.2
pinocchio==0.3
As you can see those packages are dependencies from specloud and they're still there, but not the specloud package itself.
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Does Flask support regular expressions in its URL routing?
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3 Answers
3
Active
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Python convert tuple to string
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answered Oct 28 '13 at 17:46
user2555451user2555451
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Bulk package updates using Conda
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355
You want conda update --all.
conda search --outdated will show outdated packages, and conda u...
Make copy of an array
I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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How to sort a list in Scala by two fields?
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seniasenia
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