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How can I pretty-print JSON in a shell script?
...like:
I may be a bit biased, but it's an awesome tool for printing and manipulating JSON data from the command-line. It's super-friendly to use and has extensive command-line help/documentation. It's a Swiss Army knife that I use for 1001 different small tasks that would be surprisingly annoying ...
How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
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Check out acani-node on GitHub, especially the file acani-node-server.js. If these links are broken, look for acani-chat-server among acani's GitHub public repositories.
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How to automatically install Emacs packages by specifying a list of package names?
I am using package to manage my Emacs extensions. In order to synchronize my Emacs settings on different computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manual...
How to create a self-signed certificate with OpenSSL
... = Locality Name (eg, city)
localityName_default = New York
organizationName = Organization Name (eg, company)
organizationName_default = Example, LLC
# Use a friendly name here because it's presented to the user. The server's DNS
# names are placed in Subject Alternate Nam...
How do I modify a MySQL column to allow NULL?
... answered Oct 17 '08 at 16:55
Daniel SpiewakDaniel Spiewak
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What is the best method of handling currency/money?
...different currencies – some north-african and arab currencies like the Omani Rial or the Tunisian Dinar have a scale of 3, so precision 8 scale 3 is more appropriate there.
– Beat Richartz
Apr 17 '13 at 9:37
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
What is the difference between Class.forName() and Class.forName().newInstance() ?
9 Answers
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How to empty a redis database?
I've been playing with redis (and add some fun with it) during the last fews days and I'd like to know if there is a way to empty the db (remove the sets, the existing key....) easily.
During my tests, I created several sets with a lot of members, even created sets that I do not remember the name ...
How to define two angular apps / modules in one page?
...of exactly what I'm trying to accomplish. Thanks!
– Daniel Bonnell
Jan 11 '16 at 21:00
@ACIDSTEALTH The fact that Angu...
Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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