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If table exists drop table then create it, if it does not exist just create it
...ks for a list of tables or views! DROP TABLE IF EXISTS 'table1', 'table2'; and DROP VIEW IF EXISTS 'view1', 'view2'; PS- What witchcraft did you use to have `s in inline code!?
– Campbeln
Mar 3 '16 at 23:32
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Ruby send vs __send__
I understand the concept of some_instance.send but I'm trying to figure out why you can call this both ways. The Ruby Koans imply that there is some reason beyond providing lots of different ways to do the same thing. Here are the two examples of usage:
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No module named setuptools
... want to install setup file of twilio. When I install it through given command it is given me an error:
5 Answers
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What is the best django model field to use to represent a US dollar amount?
...ber accurate to cents), format it for output to users in different places, and use it to calculate other numbers.
5 Answers...
How do I set $PATH such that `ssh user@host command` works?
I can't seem to set a new $PATH such that it is used when executing commands via ssh user@host command . I have tried adding export PATH=$PATH:$HOME/new_path to ~/.bashrc and ~/.profile on the remote machine, but executing ssh user@host "echo \$PATH" shows that the change has not been picked u...
How to make the tab character 4 spaces instead of 8 spaces in nano?
...d idea to convert tabs to spaces.
Edit your ~/.nanorc file (or create it) and add:
set tabsize 4
set tabstospaces
If you already got a file with tabs and want to convert them to spaces i recommend the expandcommand (shell):
expand -4 input.py > output.py
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Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
What is causing “Unable to allocate memory for pool” in PHP?
...like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Differences between action and actionListener
What is the difference between action and actionListener , and when should I use action versus actionListener ?
4 Ans...
Accessing Session Using ASP.NET Web API
I realize session and REST don't exactly go hand in hand but is it not possible to access session state using the new Web API? HttpContext.Current.Session is always null.
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