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NodeJS / Express: what is “app.use”?
...gt;) for every middleware layer that you want to add (it can be generic to all paths, or triggered only on specific path(s) your server handles), and it will add onto your Express middleware stack. Middleware layers can be added one by one in multiple invocations of use, or even all at once in seri...
How to change a command line argument in Bash?
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You have to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:...
Quickly create a large file on a Linux system
... it is slow for this purpose. In Linux (and other POSIX systems), we have fallocate, which uses the desired space without having to actually writing to it, works with most modern disk based file systems, very fast:
For example:
fallocate -l 10G gentoo_root.img
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DESTDIR and PREFIX of make
I am trying to make software install to a specific directory. I found several ways, but not sure what are the differences between them.
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JFrame in full screen Java
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@shaILU put all that into a new question with a minimal reproducible example
– Reimeus
Oct 17 '17 at 13:28
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AngularJS : What is a factory?
I've been doing a lot of work on Angular.js and overall I find it to be an interesting and powerful framework.
4 Answers
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What is the difference between an expression and a statement in Python?
...s, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples:
3 + 5
map(lambda x: x*x, range(10))
[a.x for a in some_iterable]
yield 7
Stat...
Android Studio Multi-Windows for One Project
... with both having the same project. I know you can drag tabs out, but that allows you to only edit that one file. I want two fully-featured windows with each being able to see the Project Files/Structure.
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Private vs Public in Cache-Control
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The only difference is that with Private you are not allowing proxies to cache the data that travels through them. In the end, it all boils down to the data contained in the pages/files you are sending.
For example, your ISP could have an invisible proxy between you and the In...
How do I prevent angular-ui modal from closing?
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Is there any way to set these dynamically -- say if the popup is in the middle of an operation that shouldn't be interrupted?
– RonLugge
Nov 28 '15 at 1:04
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