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No secret option provided to Rack::Session::Cookie warning?
...veryone, the following has worked for me, it may work for you.
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.2.9/lib/action_dispatch/middleware/session/abstract_store.rb
module Compatibility
def initialize(app, options = {})
options[:key] ||= '_session_id'
...
Is there a standard sign function (signum, sgn) in C/C++?
...o write my own, but it seems like something that ought to be in a standard library somewhere.
21 Answers
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What's the difference between dist-packages and site-packages?
...s when they come from the Debian package manager into this location:
/usr/lib/python2.7/dist-packages
Since easy_install and pip are installed from the package manager, they also use dist-packages, but they put packages here:
/usr/local/lib/python2.7/dist-packages
From the Debian Python Wiki:
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How to specify Composer install path?
...
You can also use composer/installers, a multi-framework composer library installer with the "symfony1-plugin" package type. This is what my composer.json file looks like, in order for it to install both Symfony 1.4 (in lib/vendor) and plugins in (/plugins):
{
"config": {
"vend...
How to take screenshot of a div with JavaScript?
...h a virtual screen-shot with this level of accuracy. I used CDN for the 2 libraries I had to add: <!-- html2canvas --> <script src="cdnjs.cloudflare.com/ajax/libs/html2canvas/0.4.1/…> <!-- filesaver --> <script src="cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/…&g...
How to kill zombie process
...gcc-bin/3.3.6/gcc -fomit-fr
4 0 18583 18582 21 0 6684 3100 - R ? 0:00 /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/cc1 -quie
18581, 18582, 18583 are zombies -
kill -9 18581 18582 18583
has no effect.
kill -9 31706
removes the zombies.
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Why does make think the target is up to date?
...
I had a directory called build and another called lib. In hindsight, these are not perfect target names. Ugh.....make.
– MattD
Oct 15 '13 at 20:35
10
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Simplest way to profile a PHP script
...ckpoint, and prof_print() at the end:
prof_flag("Start");
include '../lib/database.php';
include '../lib/helper_func.php';
prof_flag("Connect to DB");
connect_to_db();
prof_flag("Perform query");
// Get all the data
$select_query = "SELECT * FROM data_table";
$result = mysql...
Why should I declare a virtual destructor for an abstract class in C++?
...the answer was originally posted (the Boost documentation at boost.org/doc/libs/1_52_0/libs/smart_ptr/shared_ptr.htm suggests it may have), but it's not true these days that shared_ptr will attempt to delete the object as if it were a Base * - it remembers the type of the thing you created it with. ...
Why use pip over easy_install? [closed]
...When using sudo apt-get Ubuntu/Debian will install Python packages in /usr/lib/python/dist-packages whereas sudo pip or sudo easy_install will install in /local/lib/python/site-packages and unfortunately the Debian/Ubuntu packages often have different names that pip isn't familiar with. The best sol...