大约有 23,000 项符合查询结果（耗时：0.0424秒） [XML]
Fully custom validation error message with Rails
...(especially in non-english languages)? Do I really need to use errors.add :base, msg? I'd like to know which column the error is about, so I can display it at the correct form field.
– panzi
Feb 27 '13 at 18:34
...
Why do we not have a virtual constructor in C++?
... representing the class around instead of making your own), C++ is a class based language, and does not have objects representing any of the language's constructs. The class does not exist as an object at runtime, so you can't call a virtual method on it.
This fits with the 'you don't pay for what ...
Is there a git-merge --dry-run option?
...ote to your repository. For example:
git fetch origin master
Run git merge-base: git merge-base FETCH_HEAD master
Run git merge-tree: git merge-tree mergebase master FETCH_HEAD (mergebase is the hexadecimal id that merge-base printed in the previous step)
Now suppose that you want to merge the rem...
How to find the kth smallest element in the union of two sorted arrays?
...tion: The inputs are correct, i.e., k is in the range [0, len(a)+len(b)].
Base cases:
If length of one of the arrays is 0, the answer is kth element of the second array.
Reduction steps:
If mid index of a + mid index of b is less than k:
If mid element of a is greater than mid element of ...
Where and why do I have to put the “template” and “typename” keywords?
...the keywords are forbidden, as detailed below
On the name of a dependent base class you are not allowed to write typename. It's assumed that the name given is a class type name. This is true for both names in the base-class list and the constructor initializer list:
template <typename T>
...
Removing the fragment identifier from AngularJS urls (# symbol)
...
I needed to put <base href="/" /> in my index.html <head> section.
– nyxz
Dec 18 '15 at 13:51
...
Can I call an overloaded constructor from another constructor of the same class in C#?
...
is it possible to class foo : fooBase{ public foo(string a) : this foo(a,null) : base(a) {} foo(string a, string b){}} ?
– Arnis Lapsa
Jun 12 '09 at 7:40
...
How to hide iOS status bar
...
You should add this value to plist: "View controller-based status bar appearance" and set it to "NO".
share
|
improve this answer
|
follow
...
What's the difference between assignment operator and copy constructor?
...arguments and then assignment operator is used and new values are assigned based on RHS. In case copy constructor is used, still same constructor will be called, but values used for initialization is from other object.
– Rajesh
Mar 17 '18 at 3:40
...
Proper SCSS Asset Structure in Rails
...
Create the following folder structure:
+ assets
|
--+ base
| |
| --+ mixins (with subfolders as noted in your question)
|
--+ styles
|
--+ ...
In folder base create a file "globals.css.scss". In this file, declare all your imports:
@import 'base/colors';
@import 'base/mix...