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Importing from a relative path in Python
...rs later):
Python 2.6 and 3.x supports proper relative imports, where you m>ca m>n avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go to the directory above me:
from ..Common import Common
As a m>ca m>veat, this wil...
Rolling back a remote Git repository
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You m>ca m>n use git revert <commit>… for all the n commits, and then push as usual, keeping history unchanged.
Or you m>ca m>n "roll back" with git reset --hard HEAD~n. If you are pushing in a public or shared repository, you may...
In C++, if throw is an expression, what is its type?
... the other and is an rvalue." Therefore, the conditional operator doesn't m>ca m>re what type a throw-expression is, but will just use the other type.
In fact, 15.1, paragraph 1 says explicitly "A throw-expression is of type void."
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The role of #ifdef and #ifndef
... the intent more clearly in this particular situation.
In your particular m>ca m>se, the text after the ifdef is not removed since one is defined. The text after the ifndef is removed for the same reason. There will need to be two closing endif lines at some point and the first will m>ca m>use lines to start...
Where should Rails 3 custom validators be stored?
...If you place your custom validators in app/validators they will be automatim>ca m>lly loaded without needing to alter your config/applim>ca m>tion.rb file.
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What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?
...s and GetFiles methods differ as follows: When you use EnumerateFiles, you m>ca m>n start enumerating the collection of names before the whole collection is returned; when you use GetFiles, you must wait for the whole array of names to be returned before you m>ca m>n access the array. Therefore, when you are ...
How to pass parameters to a partial view in ASP.NET MVC?
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@ashes999 you m>ca m>n access via ViewData... but help keep things tidy by simply creating a model specific to your usage. Use it once and some may consider it a toss up, but use it any more times than that and it's a no-brainer.
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m>Ca m>n we have multiple “WITH AS” in single sql - Oracle SQL
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You m>ca m>n do this as:
WITH abc AS( select
FROM ...)
, XYZ AS(select
From abc ....) /*This one uses "abc" multiple times*/
Select
From XYZ.... /*using abc, XYZ multiple times*/
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What does __FILE__ mean in Ruby?
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Double underscores were automatim>ca m>lly removed within the comment above.
– Luke Bayes
Sep 9 '09 at 21:30
1
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How to get a enum value from string in C#?
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baseKey choice;
if (Enum.TryParse("HKEY_LOm>CA m>L_MACHINE", out choice)) {
uint value = (uint)choice;
// `value` is what you're looking for
} else { /* error: the string was not an enum member */ }
Before .NET 4.5, you had to do the following, which is more...