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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...g main" >> /etc/apt/sources.list
root@www0:~# wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
root@www0:~# apt-get update
root@www0:~# apt-get install postgresql-9.4
root@www0:~# su - postgres
postgres@www0:~$ createuser --...
How to execute multi-line statements within Python's own debugger (PDB)
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Generate random string/characters in JavaScript
....crypto || window.msCrypto).getRandomValues(arr)
For browser coverage see https://caniuse.com/#feat=getrandomvalues
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Is it a bad practice to use an if-statement without curly braces? [closed]
...re, too, I think. This is not just some ivory-tower hypothetical bullshit: https://www.imperialviolet.org/2014/02/22/applebug.html
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Do I need all three constructors for an Android custom view?
...ome discussion about whether this constructor is really needed or not. See https://code.google.com/p/android/issues/detail?id=12683
MyView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)
The 3rd constructor works well if you have control over the base theme of the applicati...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
...
Here is one more option without too much JS hassle: https://github.com/kmahelona/ipython_notebook_goodies
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...
Using the data.table package, which is fast (useful for larger datasets)
https://github.com/Rdatatable/data.table/wiki
library(data.table)
df2 <- setDT(df1)[, lapply(.SD, sum), by=.(year, month), .SDcols=c("x1","x2")]
setDF(df2) # convert back to dataframe
Using the plyr package
require(pl...
Value of type 'T' cannot be converted to
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Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]
.../bugs.jquery.com/ticket/13183 that breaks the Fancybox script.
Also check https://github.com/fancyapps/fancyBox/issues/485 for further reference.
As a workaround, rollback to jQuery v1.8.3 while either the jQuery bug is fixed or Fancybox is patched.
UPDATE (Jan 16, 2013): Fancybox v2.1.4 has be...
How to tell git to use the correct identity (name and email) for a given project?
...ss/"]
path = ~/.gitconfig.github # user.name and user.email for GitHub
https://motowilliams.com/conditional-includes-for-git-config#disqus_thread
To use Git 2.13 you will either need to add a PPA (Ubuntu older than 18.04/Debian) or download the binaries and install (Windows/other Linux).
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