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What are the differences between Perl, Python, AWK and sed? [closed]
...programmer can learn gawk in two hours, it is the best choice. On this planet, simpler and faster is better!
Perl or Python are far better than any version of awk or sed when you have very complex input/output scenarios. The more complex the problem is, the better off you are using python, from a...
How can I view the source code for a function?
...ackage development is hosted publicly (e.g. via GitHub, R-Forge, or RForge.net), you can probably browse the source code online.
Compiled code in a base package
Certain packages are considered "base" packages. These packages ship with R and their version is locked to the version of R. Examples inc...
Is it possible to have SSL certificate for IP address, not domain name?
I want my site to use URLs like http://192.0.2.2/... and https://192.0.2.2/... for static content to avoid unnecessary cookies in request AND avoid additional DNS request.
...
Watermark / hint text / placeholder TextBox
...y reasons. You could make it bindable using this example here: wpftutorial.net/PasswordBox.html however it is probably quicker and easier just to use the PasswordChanged event and code behind to set the visibility in this case.
– apc
Apr 3 '17 at 7:15
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How do I find all installed packages that depend on a given package in NPM?
...
You're looking for https://docs.npmjs.com/cli/ls
For example, to see which packages depend on contextify you can run:
npm ls contextify
app-name@0.0.1 /home/zorbash/some-project
└─┬ d3@3.3.6
└─┬ jsdom@0.5.7
└── context...
Hook up Raspberry Pi via Ethernet to laptop without router? [closed]
...run:
sudo systemctl enable ssh
sudo service sshd start
as explained at: https://raspberrypi.stackexchange.com/questions/58478/ssh-not-working-with-fresh-install This persists across boots.
Otherwise, insert he SD card on your host, and create a magic empty file named ssh file in the boot/ partit...
How can I add reflection to a C++ application?
...s, the third is a different approach using gcc:
http://www.donw.org/rfl/
https://bitbucket.org/dwilliamson/clreflect
https://root.cern.ch/how/how-use-reflex
There is now a working group for C++ reflection. See the news for C++14 @ CERN:
https://root.cern.ch/blog/status-reflection-c
Edit 13/08...
Django self-referential foreign key
...lass CategoryModel(models.Model):
parent = models.ForeignKey('self')
https://docs.djangoproject.com/en/dev/ref/models/fields/#foreignkey
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What's the meaning of interface{}?
...t it but it's very easy to abuse. Stay away from it as much as you can.
https://play.golang.org/p/A-vwTddWJ7G
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How to check the version of GitLab?
...SH access to server.
You should be logged in to access the following page:
https://your.domain.name/help
It shows something similar to:
GitLab 6.6.4 42e34ae
GitLab is open source software to collaborate on code.
...
etc.
s...