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String.IsNullOrWhiteSpace in LINQ Expression
...NOT (([t0].[Diameter] IS NULL) OR (LTRIM(RTRIM([t0].[Diameter])) = @p0))
and for Linq to SQL almost but not quite the same
DECLARE @p0 NVarChar(1000) = ''
...
WHERE NOT (LTRIM(RTRIM([t0].[TypeName])) = @p0)
share
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Rails new vs create
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Within Rails' implementation of REST new and create are treated differently.
An HTTP GET to /resources/new is intended to render a form suitable for creating a new resource, which it does by calling the new action within the controller, which creates a new unsaved...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
...vior you're trying to control is marked virtual. In your comment, I understand it so that the instantiating of _mockArticleDao is done something like this:
_mockArticleDao = new Mock<ArticleDAO>();
If you want to keep it as so, you need to mark the GetArticle method virtual:
public class A...
SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
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I got the same problem and my Python is 2.7.11. After adding the the second line # -*- coding: utf-8 -*- to the top of the file, it resolved the problem.
– hailong
Jun 22 '16 at 14:29
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How do I initialize the base (super) class?
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Python (until version 3) supports "old-style" and new-style classes. New-style classes are derived from object and are what you are using, and invoke their base class through super(), e.g.
class X(object):
def __init__(self, x):
pass
def doit(self, bar):
pa...
How much space can your BitBucket account have?
I created a BitBucket account today, and I love the fact that they allow you to have unlimited public/private repositories. However, I didn't find the size limit of your account? Does anyone know where to find it? Github offered 300mb if I remember correctly.
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What do the different readystates in XMLHttpRequest mean, and how can I use them?
XMLHttpRequest has 5 readyState s, and I only use 1 of them (the last one, 4 ).
5 Answers
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Booleans, conditional operators and autoboxing
...time:
E1: `true ? returnsNull() : false` - boolean (auto-unboxing 2nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Operator ? :
For E1, the types of the 2nd and 3rd operands are Boolean...
Coding Katas for practicing the refactoring of legacy code
...ecent months. I believe they are a great way to hone my programming skills and improve the quality of the code I write on the job.
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Check that Field Exists with MongoDB
So I'm attempting to find all records who have a field set and isn't null.
4 Answers
4...