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How to delete a word and go into insert mode in Vim?
...I edited the answer from telling about "co{" to "ca{" as reminded by jinxed_coders comment. My old customization implements "(a) <>" commands as "(o)uter <>" commands.
– Kaali
Sep 7 '09 at 4:34
...
Hash and salt passwords in C#
...onfirmPassword(string password)
{
byte[] passwordHash = Hash(password, _passwordSalt);
return _passwordHash.SequenceEqual(passwordHash);
}
Before implementing any of this however, check out this post. For password hashing you may want a slow hash algorithm, not a fast one.
To that end th...
What is Weak Head Normal Form?
...es for an expression to be in WHNF:
A constructor: constructor expression_1 expression_2 ...
A built-in function with too few arguments, like (+) 2 or sqrt
A lambda-expression: \x -> expression
In other words, the head of the expression (i.e. the outermost function application) cannot be eval...
Good ways to sort a queryset? - Django
...
What about
import operator
auths = Author.objects.order_by('-score')[:30]
ordered = sorted(auths, key=operator.attrgetter('last_name'))
In Django 1.4 and newer you can order by providing multiple fields.
Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#ord...
How to best display in Terminal a MySQL SELECT returning too many fields?
... Db: mydatabase1
User: myuser1
Select_priv: Y
Insert_priv: Y
Update_priv: Y
...
*************************** 2. row ***************************
Host: localhost
Db: mydatabase2
User...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
...sql PHP extension, which provides all functions named with the prefix mysql_, was officially deprecated in PHP v5.5.0 and removed in PHP v7.
It was originally introduced in PHP v2.0 (November 1997) for MySQL v3.20, and no new features have been added since 2006. Coupled with the lack of new featur...
Difference between two dates in Python
... objects and take the days member.
from datetime import datetime
def days_between(d1, d2):
d1 = datetime.strptime(d1, "%Y-%m-%d")
d2 = datetime.strptime(d2, "%Y-%m-%d")
return abs((d2 - d1).days)
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...
What is the difference between 'typedef' and 'using' in C++11?
...;
template <typename U> struct bar { typename rebind<U>::type _var_member; }
But using syntax simplifies this use case.
template <typename T> using my_type = whatever<T>;
my_type<int> variable;
template <typename U> struct baz { my_type<U> _var_member; ...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...efix - I wasn't able to fix it for two days.
My database collation is SQL_Latin1_General_CP1_CI_AS.
It has a table with a column called MyCol1. It is an Nvarchar
This query fails to match Exact Value That Exists.
SELECT TOP 1 * FROM myTable1 WHERE MyCol1 = 'ESKİ'
// 0 result
using pref...
Embedding SVG into ReactJS
...rHTML:
render: function() {
return <span dangerouslySetInnerHTML={{__html: "<svg>...</svg>"}} />;
}
and React will include the markup directly without processing it at all.
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