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How to use ssh agent forwarding with “vagrant ssh”?
...y pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
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How to serve an image using nodejs
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Failed to load resource from same directory when redirecting Javascript
onload js call not working with node
Sending whole folder content to client with express
Loading partials fails on the server JS
Node JS not serving the static image
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How would I get a cron job to run every 30 minutes?
... every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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How to exit from Python without traceback?
...est printing in stderr sys.stderr.write(msg)
– vinilios
Jan 17 '12 at 17:20
14
I strongly suggest...
How to print a linebreak in a python function?
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You can print a native linebreak using the standard os library
import os
with open('test.txt','w') as f:
f.write(os.linesep)
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Download large file in python with requests
...I'd like to use it for download big files (>1GB).
The problem is it's not possible to keep whole file in memory I need to read it in chunks. And this is a problem with the following code
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How to modify a text file?
...ay to insert into the middle of a file without re-writing it. As previous posters have indicated, you can append to a file or overwrite part of it using seek but if you want to add stuff at the beginning or the middle, you'll have to rewrite it.
This is an operating system thing, not a Python thing...
Insert a line at specific line number with sed or awk
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OS X / macOS / FreeBSD sed
The -i flag works differently on macOS sed than in GNU sed.
Here's the way to use it on macOS / OS X:
sed -i '' '8i\
8 This is Line 8' FILE
See man 1 sed for more info.
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Python function attributes - uses and abuses [closed]
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I typically use function attributes as storage for annotations. Suppose I want to write, in the style of C# (indicating that a certain method should be part of the web service interface)
class Foo(WebService):
@webmethod
def bar(self, arg1, arg2):
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then I can define
de...
What are file descriptors, explained in simple terms?
...formation about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). This entry number is the file descriptor.
So it is just an integer number that uniquely rep...