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How do I install the yaml package for Python?
... The name of the PyYAML package at least on Fedora 21 and CentOS 7 is just PyYAML not python-yaml.
– TNT
Mar 27 '15 at 15:03
3
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Error installing libv8: ERROR: Failed to build gem native extension
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try this one:
gem install libv8 -v '3.16.14.3' -- --with-system-v8
Note : Because libv8 is the interface for the V8 engine used by therubyracer,
you may need to use libv8, even if you have V8 installed already. If
you wish to use your ow...
How can I strip first X characters from string using sed?
...{var:5}
Are you sure bash is the shell executing your script?
Even the POSIX-compliant
var=${var#?????}
would be preferable to using an external process, although this requires you to hard-code the 5 in the form of a fixed-length pattern.
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Embedding Base64 Images
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Update: 2017-01-10
Data URIs are now supported by all major browsers. IE supports embedding images since version 8 as well.
http://caniuse.com/#feat=datauri
Data URIs are now supported by the following web browsers:
Gecko-based, such as Firefox, SeaMonkey, XeroBan...
stop all instances of node.js server
...t have any other Node processes running, you can tell your machine to kill all processes named node.exe. That would look like this:
taskkill /im node.exe
And if the processes still persist, you can force the processes to terminate by adding the /f flag:
taskkill /f /im node.exe
If you need mor...
nano error: Error opening terminal: xterm-256color
After the installation of OSX Lion, I tried to:
10 Answers
10
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Why should I use Restify?
...hich removes the overhead of creating a connection each time when getting called from the same client. To be fair, we have also tested Restify with the configuration flag of closing the connection. You’ll see a substantial decrease in throughput in that scenario for obvious reasons.
Looks like...
Android notification is not showing
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The code won't work without an icon. So, add the setSmallIcon call to the builder chain like this for it to work:
.setSmallIcon(R.drawable.icon)
Android Oreo (8.0) and above
Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel...
A command-line HTML pretty-printer: Making messy HTML readable [closed]
...ed tidy-html5 which since became the official thing. Here is its GitHub repository.
Tidy is a console application for Mac OS X, Linux, Windows, UNIX, and more. It corrects and cleans up HTML and XML documents by fixing markup errors and upgrading legacy code to modern standards.
For your needs...
seek() function?
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Regarding seek() there's not too much to worry about.
First of all, it is useful when operating over an open file.
It's important to note that its syntax is as follows:
fp.seek(offset, from_what)
where fp is the file pointer you're working with; offset means how many positions you wi...