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Simple way to calculate median with MySQL
...mple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but surely there must be some simple way of doing it in a single MySQL query.
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Truncate all tables in a MySQL database in one command?
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Use phpMyAdmin in this way:
Database View => Check All (tables) => Empty
If you want to ignore foreign key checks, you can uncheck the box that says:
[ ] Enable foreign key checks
You'll need to be running atle...
What do two question marks together mean in C#?
...hanks everybody, here is the most succinct explanation I found on the MSDN site:
// y = x, unless x is null, in which case y = -1.
int y = x ?? -1;
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Use rvmrc or ruby-version file to set a project gemset with RVM?
...l" documentation on this? I started looking into how this works in the RVM site but just found some vague mention to it as the new rvmrc file but nothing as to how this should work.
– eirc
May 1 '13 at 13:14
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How to stop /#/ in browser with react-router?
... # Setting up apache options (Godaddy specific)
#DirectoryIndex index.php
#RewriteBase /
# Defining the rewrite rules
RewriteCond %{SCRIPT_FILENAME} !-d
RewriteCond %{SCRIPT_FILENAME} !-f
RewriteRule ^.*$ ./index.html
Then you obtain the query parameters with window.loc...
Graphviz: How to go from .dot to a graph?
...Edit, it makes the whole process slightly easier.
Go look at the graphviz site in the section called "User's Guides" for more detail on how to use the tools:
http://www.graphviz.org/documentation/
(See page 27 for output formatting for the dot command, for instance)
http://www.graphviz.org/pdf/...
SQLAlchemy - Getting a list of tables
...mes()) File "/Users/darshanchoudhary/.virtualenvs/services/lib/python3.6/site-packages/sqlalchemy/engine/base.py", line 2128, in table_names return self.dialect.get_table_names(conn, schema) value = value.replace(self.escape_quote, self.escape_to_quote) AttributeError: 'NoneType' object ha...
Reloading the page gives wrong GET request with AngularJS HTML5 mode
...e server, which had the relevant nginx line as try_files $uri $uri/ /index.php?... instead of the needed index.html. Thanks for the link!
– CJ Thompson
Oct 2 '14 at 21:07
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Comments in Markdown
...own MarkdownExtra 1.1.0
cebe/markdown GFM 1.1.0
s9e\TextFormatter (Fatdown/PHP)
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How to analyze a java thread dump?
... for a definition and a further explanation of these two terms.
On IBM's site I found this link: How to interpret a thread dump. that covers this in greater detail:
It explains what that waiting on means:
A lock prevents more than one entity from accessing a shared resource. Each object in Java...