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How can I default a parameter to Guid.Empty in C#?
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or
public void Problem(Guid optional = new Guid())
Note that the new Foo() value is only applicable when:
You're really calling the parameterless constructor
Foo is a value type
In other words, when the compiler knows it's really just the default value for the type :)
(Interestingly, I'm ...
Only initializers, entity members, and entity navigation properties are supported
...he DB Model to the View Model.
Look for a [NotMapped] property with name Foo in your DB Model.
Look for a property with the same name, Foo, in your View Model.
If that is the case, then change your AutoMapper config. Add .ForMember(a => a.Foo, b => b.Ignore());
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Split string in Lua?
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Doesn't work if string contains empty values, eg. 'foo,,bar'. You get {'foo','bar'} instead of {'foo', '', 'bar'}
– andras
Sep 19 '16 at 21:38
5
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What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...f what Sun like to call "hierarchical pathnames" (basically a path like c:/foo.txt or /usr/muggins). This is why you create files in terms of paths. The operations you are describing are all operations upon this "pathname".
getPath() fetches the path that the File was created with (../foo.txt)
get...
Validating parameters to a Bash script
... it as a commentar). i did "$#" to fix it. second, the regex also matches "foo123bar". i fixed it by doing ^[0-9]+$. you may also fix it by using grep's -x option
– Johannes Schaub - litb
Mar 31 '09 at 1:21
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How to call function from another file in go language?
I want to call function from another file in go lang, can any one help?
4 Answers
4
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“for” vs “each” in Ruby
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Never ever use for it may cause almost untraceable bugs.
Don't be fooled, this is not about idiomatic code or style issues. Ruby's implementation of for has a serious flaw and should not be used.
Here is an example where for introduces a bug,
class Library
def initialize
@ary = []
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What does [:] mean?
I'm analyzing some Python code and I don't know what
6 Answers
6
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Java Enum definition
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It still allows me to create a class Foo extends Node<City> where Foo is unrelated to City.
– newacct
Nov 23 '11 at 22:43
1
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How do I dump an object's fields to the console?
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The to_yaml method seems to be useful sometimes:
$foo = {:name => "Clem", :age => 43}
puts $foo.to_yaml
returns
---
:age: 43
:name: Clem
(Does this depend on some YAML module being loaded? Or would that typically be available?)
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