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Devise form within a different controller
I am using a devise gem for sign_in/sign_out procedures.
5 Answers
5
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Can iterators be reset in Python?
...ython? I am using DictReader and would like to reset it to the beginning of the file.
15 Answers
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Factors in R: more than an annoyance?
One of the basic data types in R is factors. In my experience factors are basically a pain and I never use them. I always convert to characters. I feel oddly like I'm missing something.
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How to flatten tree via LINQ?
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You can flatten a tree like this:
IEnumerable<MyNode> Flatten(IEnumerable<MyNode> e) =>
e.SelectMany(c => Flatten(c.Elements)).Concat(new[] { e });
You can then filter by group using Where(...).
To earn some...
Remove characters from C# string
How might I remove characters from a string? For example: "My name @is ,Wan.;'; Wan" .
21 Answers
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MFC CString::Format()函数详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC CString::Format()函数详解我在编写程序时经常会使用CString::Format()来格式化字符串！但往往只是使用了Format很少一部分功能，比如整型转换成字符串！不过今天我想...我在编写程序时经常会使用CString::Format()来格式化字符串！但...
Access to private inherited fields via reflection in Java
I found a way to get inherited members via class.getDeclaredFields();
and acces to private members via class.getFields()
But i'm looking for private inherited fields.
How can i achieve this?
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Custom ImageView with drop shadow
...nd searching around, and am now banging my head against the wall trying to figure this out. Here's what I have so far:
11 A...
MySQL table is marked as crashed and last (automatic?) repair failed
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If your MySQL process is running, stop it. On Debian:
sudo service mysql stop
Go to your data folder. On Debian:
cd /var/lib/mysql/$DATABASE_NAME
Try running:
myisamchk -r $TABLE_NAME
If that doesn't work, you can try...
How do I drop a foreign key constraint only if it exists in sql server?
I can drop a table if it exists using the following code but do not know how to do the same with a constraint:
10 Answers
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