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How to empty a Heroku database
...eed) into one action by executing this:
$ heroku run rake db:setup
Edit 2014-04-18: rake db:setup doesn't work with Rails 4, it fails with a Couldn't create database error.
Edit 2014-10-09: You can use rake db:setup with Rails 4. It does give you a Couldn't create database error (because the dat...
Push git commits & tags simultaneously
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Update August 2020
As mentioned originally in this answer by SoBeRich, and in my own answer, as of git 2.4.x
git push --atomic origin <branch name> <tag>
(Note: this actually work with HTTPS only with Git 2.24)
Update May 2015...
Unnamed/anonymous namespaces vs. static functions
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The C++ Standard reads in section 7.3.1.1 Unnamed namespaces, paragraph 2:
The use of the static keyword is
deprecated when declaring objects in a
namespace scope, the unnamed-namespace
provides a superior alternative.
Static only applies to names of objects, functions, and anonym...
How do I convert a git repository to mercurial?
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edited Sep 2 '17 at 7:01
aditsu quit because SE is EVIL
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Convert a Scala list to a tuple?
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Tom CrockettTom Crockett
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Can I use a binary literal in C or C++?
...le itoa function, or implement your own.
Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boost/ut...
'python' is not recognized as an internal or external command [duplicate]
So I have recently installed Python Version 2.7.5 and I have made a little loop thing with it but the problem is, when I go to cmd and type python testloop.py I get the error:
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Can a CSV file have a comment?
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120
The CSV "standard" (such as it is) does not dictate how comments should be handled, no, it's up...
How do I start Mongo DB from Windows?
...starting. It is showing admin web console waiting for connections on port 28017 .
17 Answers
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Why don't structs support inheritance?
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122
The reason value types can't support inheritance is because of arrays.
The problem is that, fo...