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How does RewriteBase work in .htaccess
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In my own words, after reading the docs and experimenting:
You can use RewriteBase to provide a base for your rewrites. Consider this
# invoke rewrite engine
RewriteEngine On
RewriteBase /~new/
# add trailing slash if missin...
Difference between attr_accessor and attr_accessible
...e then a person could set their salary through a form submission. In other words, they could hack their way to a raise.
That kind of information needs to be explicitly handled. Just removing it from the form isn't enough. Someone could go in with firebug and add the element into the form to submit...
What is the difference between a Docker image and a container?
...o have a Linux image to run mysql on top of?
– Kenny Worden
Feb 17 '15 at 16:41
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java: Class.isInstance vs Class.isAssignableFrom
...and can be cast to MyClass without raising a ClassCastException. In other words, obj is an instance of MyClass or its subclasses.
MyClass.class.isAssignableFrom(Other.class) will return true if MyClass is the same as, or a superclass or superinterface of, Other. Other can be a class or an interfa...
What are commit-ish and tree-ish in Git?
...entifier that is "commit-ish" is, by
definition, also "tree-ish". In other words, any identifier that leads to a
commit object can also be used to lead to a (sub)directory tree object.
But since directory tree objects never point to commits in Git's versioning
system, not every identifier that poin...
Difference between “change” and “input” event for an `input` element
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In other words "input" is triggered immediately when any character is changed, deleted or added while "change" is evaluated after the control loses focus and happens only when the value has changed
– Adam Moszczy...
How to find out the number of CPUs using python
...ectively 4, 2 and 1. I find that counting the number of occurrences of the word "processor" in /proc/cpuinfo may be the better way to go. (Or do I have the question wrong?)
– Mike O'Connor
Jul 20 '16 at 5:06
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How is it possible to declare nothing inside main() in C++ and yet have a working application after
...se. But, this being computer science, I suppose we should be careful with words like "all".
– Joe Z
Jul 8 '13 at 15:35
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How to refer environment variable in POM.xml?
...in the comments, ${env.VARIABLE_NAME} will do what you want.
I will add a word of warning and say that a pom.xml should completely describe your project so please use environment variables judiciously. If you make your builds dependent on your environment, they are harder to reproduce
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What is the difference between Non-Repeatable Read and Phantom Read?
...transaction. Looking it that way, my writing is a bit wrong if you take it word for word. But hey, I intentionally wrote it this way to make things more clear to the reader.
– Subhadeep Ray
Apr 11 '19 at 8:40
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