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How to deal with persistent storage (e.g. databases) in Docker
... container when it exits
--volumes-from DATA: attach to the volumes shared by the DATA container
-v $(pwd):/backup: bind mount the current directory into the container; to write the tar file to
busybox: a small simpler image - good for quick maintenance
tar cvf /backup/backup.tar /data: creates an u...
How does comparison operator works with null int?
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JSON.parse vs. eval()
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Yes. Traditionally, x would be wrapped by parentheses: eval("("+x+")"). What I said still stands: there's no ambiguity when using JSON.parse().
– Jeff Lowery
Nov 25 '14 at 18:51
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Pass Method as Parameter using C#
...ake a string parameter and return an int - this is most simply represented by the Func<string, int> delegate1. So your code can become correct with as simple a change as this:
public bool RunTheMethod(Func<string, int> myMethodName)
{
// ... do stuff
int i = myMethodName("My Str...
What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
...rences:
To substitute a variable's value, write a dollar sign followed by the
name of the variable in parentheses or braces: either $(foo) or
${foo} is a valid reference to the variable foo.
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Backporting Python 3 open(encoding=“utf-8”) to Python 2
... differently.
2. To get a Python 3 open() style file handler which streams bytestrings:
open(filename, 'rb')
Note the 'b', meaning 'binary'.
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How to go up a level in the src path of a URL in HTML?
... Upon rechecking, I can report that the local file system relative-paths by using ../ do work fine - or at least does work fine in this specific case!
– aateeque
Jan 26 '11 at 23:00
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JavaScript data grid for millions of rows [closed]
...ded and removed as the user is scrolling, but the scrolling itself is done by the browser. That allows it to be very fast yet smooth (onscroll events are notoriously slow). The caveat is that there are bugs/limits in the browsers' CSS engines that limit the potential height of an element. For IE,...
How do I detect what .NET Framework versions and service packs are installed?
...4.0 installs a new version of the CLR (CLR version 4.0) which can run side-by-side with CLR 2.0.
Update for .NET 4.5
There won't be a v4.5 key in the registry if .NET 4.5 is installed. Instead you have to check if the HKLM\Software\Microsoft\NET Framework Setup\NDP\v4\Full key contains a value ca...
How to change cursor from pointer to finger using jQuery?
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