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How is set() implemented?
...e O(1) membership-checking. How are they implemented internally to allow this? What sort of data structure does it use? What other implications does that implementation have?
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How do you connect to multiple MySQL databases on a single webpage?
...e same you need to pass true for the '$new_link' (fourth) parameter, otherwise the same connection is reused. For example:
$dbh1 = mysql_connect($hostname, $username, $password);
$dbh2 = mysql_connect($hostname, $username, $password, true);
mysql_select_db('database1', $dbh1);
mysql_select_db('d...
Generating Random Passwords
When a user on our site loses his password and heads off to the Lost Password page we need to give him a new temporary password. I don't really mind how random this is, or if it matches all the "needed" strong password rules, all I want to do is give them a password that they can change later.
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How to use java.net.URLConnection to fire and handle HTTP requests?
Use of java.net.URLConnection is asked about pretty often here, and the Oracle tutorial is too concise about it.
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What is the equivalent of bigint in C#?
What am I supposed to use when handling a value in C#, which is bigint for an SQL Server database?
10 Answers
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Prevent BODY from scrolling when a modal is opened
...while the Modal (from http://twitter.github.com/bootstrap ) on my website is opened.
41 Answers
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How to model type-safe enum types?
..., Tue, Wed, Thu, Fri, Sat, Sun = Value
}
import WeekDay._
def isWorkingDay(d: WeekDay) = ! (d == Sat || d == Sun)
WeekDay.values filter isWorkingDay foreach println
}
share
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im...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...ersions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to hardcode something like #!/usr/bin/python; that's ok, but less flexible.
In Unix, an executable file that's meant to be interpreted can indicate what ...
What is the reason behind cbegin/cend?
...'s no way to ensure that it does. Not without doing something silly like this:
const std::vector<int> &vec_ref = vec;
std::for_each(vec_ref.begin(), vec_ref.end(), SomeFunctor());
Now, we introduce cbegin/cend:
std::for_each(vec.cbegin(), vec.cend(), SomeFunctor());
Now, we have synt...
Is a DIV inside a TD a bad idea?
...ork, just something about them not being really compatible based on their display type. Can't find any evidence to back up my hunch, so I may be totally wrong.
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