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Unable to copy ~/.ssh/id_rsa.pub
... server configuration,
you need to have the line X11Forwarding yes in
/etc/ssh/sshd_config (it is present by default on Ubuntu).
To check whether X11 forwarding is enabled, look at the value of the
DISPLAY environment variable: echo $DISPLAY. You should see a
value like localhost:10 (ap...
What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...ecause it is not going to be noticed when running the code. Maybe in tests etc, but no human can see a diffrence here. What would be faster is to use ~~ for a faster load time.
Short version
~~ is shorter/takes less space. Math.floor improves the readability. Sometimes tilde is faster, sometimes Mat...
Copy folder recursively in node.js
... write functions of fs so it does not copy any meta data (time of creation etc.). As of node 8.5 there is a copyFileSync functions available which call the OS copy functions and therefore also copies meta data. I did not test them yet, but it should work to just replace them. (See https://nodejs.org...
Firebug-like debugger for Google Chrome
...pretty well and has all the same filters as firebug (scripts, xhr, images, etc). I've been using the Dev build for a week and it seems pretty stable. I just finally set my default browser to chrome - now it's my dev browser too! :)
– Mark J Miller
Dec 7 '09 at ...
CSS Cell Margin
...ing as above, avoid any styling of the cells (background colours, borders, etc.) and instead use container DIVs inside the cells to implement such styling.
I am not a CSS expert, so I could well be wrong in the above (which would be great to know! I too would like a table cell margin CSS solution)....
How does java do modulus calculations with negative numbers?
...d rather write r = ((x%n) + n) % n. Concerning power of 2 modulo (2,4,8,16,etc..) and positive answer, consider binary mask r = x & 63.
– Fabyen
Nov 17 '14 at 13:43
3
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How to get current page URL in MVC 3
...rt - as it would be included in the host header) before any load-balancing etc takes place.
At least, it does in our (rather convoluted!) environment :)
If there are any funky proxies in between that rewrite the host header, then this won't work either.
Update 30th July 2013
As mentioned by @Kev...
Django: ImproperlyConfigured: The SECRET_KEY setting must not be empty
...l need to create a local.py outside of your source repo for your passwords etc.
– Inyoka
Oct 1 '18 at 3:38
Should be t...
What is the best way to call a script from another script?
...e when the script itself is run. There are no functions, classes, methods, etc. I have another script which runs as a service. I want to call test1.py from the script running as a service.
...
Can constructors throw exceptions in Java?
...r ought to be careful to avoid acquiring unmanaged resources (file handles etc) and then throwing an exception without releasing them. For example, if the constructor tries to open a FileInputStream and a FileOutputStream, and the first succeeds but the second fails, you should try to close the firs...