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How to add to an existing hash in Ruby
...ith Symbol :a finds the right value
hash[:a]
# => 'a'
# Fetch with the String 'a' finds nothing
hash['a']
# => nil
# Assignment with the key :b adds a new entry
hash[:b] = 'Bee'
# This is then available immediately
hash[:b]
# => "Bee"
# The hash now contains both keys
hash
# => { :a ...
How do I set the value property in AngularJS' ng-options?
...t allows you to use any type of object as value in option rather than only strings. You should never try to get the value of the select the other way around you just need to use ngModel you attached to select element.
– Umur Kontacı
Jan 31 '13 at 6:48
...
Avoiding an ambiguous match exception
...ect at compile-time (I do know, however, it has a Parse method, taking a string).
1 Answer
...
Set inputType for an EditText Programmatically?
...ATETIME_VARIATION_TIME));
}
class InputTypeItem {
private String name;
private int value;
InputTypeItem(String name, int value) {
this.name = name;
this.value = value;
}
}
}
See also
Getting the current InputType
...
Try-catch speeding up my code?
... I’ve always wondered why the C# compiler generates so many extraneous locals. For example, new array initialisation expressions always generate a local, but is never necessary to generate a local. If it allows the JITter to produce measurably more performant code, perhaps the C# comp...
What is a “slug” in Django?
.... Slugs are commonly save with the respective content and it pass as a URL string.
Slug can create using SlugField
Ex:
class Article(models.Model):
title = models.CharField(max_length=100)
slug = models.SlugField(max_length=100)
If you want to use title as slug, django has a simple func...
What are the pros and cons of the leading Java HTML parsers? [closed]
...therwise grow up 10 times as big, without writing utility/helper methods).
String url = "http://stackoverflow.com/questions/3152138";
Document document = new Tidy().parseDOM(new URL(url).openStream(), null);
XPath xpath = XPathFactory.newInstance().newXPath();
Node question = (Node) xpath.compile...
Regex to match a digit two or four times
...
@Dan: These regexes do not match the complete string "333". You may be using your regex library's "find matching substring" functionality by mistake, rather than its "check if complete string matches" functionality. You should consult its documentation.
...
MongoDB仿关系型数据库Group聚合例子 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...espace MongoGroupDemo
{
class Program
{
private static string MongoConnStr = "mongodb://172.16.86.53:27017";
/// <summary>
/// MongoDB Group,max仿关系型数据库例子
/// 需求：锯齿状数据表，取所有用户最近一天的数据
...
Why is it important to override GetHashCode when Equals method is overridden?
...
How about:
public override int GetHashCode()
{
return string.Format("{0}_{1}_{2}", prop1, prop2, prop3).GetHashCode();
}
Assuming performance is not an issue :)
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