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Passing variables to the next middleware using next() in Express.js
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@Kousha You can write router middleware at the top of your routing script: router.use(function(req,res,next){req.YOUR_APP_NAME = {};next()})
– Tomas
Feb 7 '16 at 1:22
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#pragma mark in Swift?
... next to the methods that implement it, not 5 protocol declarations at the top of the file and 50 related method implementations randomly scattered somewhere below.
– rickster
Jul 21 '14 at 17:27
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How can I undo a `git commit` locally and on a remote after `git push`
...he master with "git log" again, your fixed_destination_commit should be on top of the list.
You are welcome (in advance ;))
UPDATE:
Now, the changes you had made before all these began, are now gone.
If you want to bring those hard-works back again, it's possible. Thanks to git reflog, and git ch...
Run R script from command line
...the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHello()
I will also note that if you're running on a *unix system there is the useful littler package which provides easy command ...
How do I push a new local branch to a remote Git repository and track it too?
....com/docs/git-push
In Git terms, HEAD (in uppercase) is a reference to the top of the current branch (tree).
The -u option is just short for --set-upstream. This will add an upstream tracking reference for the current branch. you can verify this by looking in your .git/config file:
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Shell Script: Execute a python program from within a shell script
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This works best for me:
Add this at the top of the script:
#!c:/Python27/python.exe
(C:\Python27\python.exe is the path to the python.exe on my machine)
Then run the script via:
chmod +x script-name.py && script-name.py
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What exactly is the meaning of an API? [closed]
... +1 on calling out "suprisingly good". For computing, Wikipedia is tops. Some may remember the Wikipedia vs Britannica comparison by Nature: '''According to the Wall Street Journal: "[Wales] says he was glad Nature chose to compare science-related themes 'because on history and the social s...
How to use UIVisualEffectView to Blur Image?
...IVisualEffectView. Nest things within this view that you want to appear on top of the blur.
You can also easily take advantage of the vibrancy UIVisualEffect, which will automatically create another nested UIVisualEffectView in the document outline with vibrancy enabled by default. You can then a...
How to find the mime type of a file in python?
...'ve just discovered that the accuracy of python-magic (as suggested in the top answer) to be even lower, as confirmed by github.com/s3tools/s3cmd/issues/198. So, mimetypes seems a better candidate for me.
– danqing
Aug 7 '17 at 1:50
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C# binary literals
...day | Tuesday | Wednesday | Thursday | Friday
}
Original Post
Since the topic seems to have turned to declaring bit-based flag values in enums, I thought it would be worth pointing out a handy trick for this sort of thing. The left-shift operator (<<) will allow you to push a bit to a speci...