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MySQL pagination without double-querying?
...determine whether there are additional rows."
I guess that settles that.
https://dev.mysql.com/doc/refman/8.0/en/information-functions.html#function_found-rows
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Xcode duplicate line
...nd selections.
You can download it from my GitHub repo:
XcodeKit Plugin - https://github.com/ptfly/XcodeKit
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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)
...eUploader: {
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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
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...