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Using async-await on .net 4
... lot from C# 5's async-await feature. But I'm not sure which version of VS and of the async runtime to use.
5 Answers
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Ruby on Rails: how to render a string as HTML?
...g raw works fine, but all it's doing is converting the string to a string, and then calling html_safe. When I know I have a string, I prefer calling html_safe directly, because it skips an unnecessary step and makes it clearer what's going on. Details about string-escaping and XSS protection are in ...
How do I get user IP address in django?
...tem (e.g., in the case of Heroku: Get client's real IP address on Heroku)
And then just pass the request as argument to it;
get_client_ip(request)
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...n alternative binary serialization format to Google's Protocol Buffers and JSON which also outperforms both.
6 Answer...
Create a dictionary with list comprehension
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{key: value for (key, value) in iterable}
Note: this is for Python 3.x (and 2.7 upwards). Formerly in Python 2.6 and earlier, the dict built-in could receive an iterable of key/value pairs, so you can pass it a list comprehension or generator expression. For example:
dict((key, func(key)) for key...
How can I swap positions of two open files (in splits) in vim?
...ng for something else. I wrote two functions awhile back to mark a window and then swap buffers between windows. This seems to be what you're asking for.
Just slap these in your .vimrc and map the functions how you see fit:
function! MarkWindowSwap()
let g:markedWinNum = winnr()
endfunctio...
Can you create nested WITH clauses for Common Table Expressions?
...wered Sep 11 '09 at 22:12
David AndresDavid Andres
28.8k77 gold badges4141 silver badges3535 bronze badges
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Linux command to list all available commands and aliases
Is there a Linux command that will list all available commands and aliases for this terminal session?
20 Answers
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What's the difference between echo, print, and print_r in PHP?
I use echo and print_r much, and almost never use print .
11 Answers
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Grunt watch error - Waiting…Fatal error: watch ENOSPC
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After doing some research found the solution. Run the below command.
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
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