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How can I add a table of contents to a Jupyter / JupyterLab notebook?
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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)
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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...
手握利器，直面“蓝脸”! ——使用WinDbg抗击系统崩溃 - 操作系统(内核) - ...
...首。
WinDbg是免费软件，其微软官方下载地址是http://www.microsoft.com/whdc/devtools/debugging/default.mspx，具体项目为Install Debugging Tools for Windows 32/64-bit Version。
使用WinDbg分析崩溃时的内存转储文件的前提是您要让系统在崩溃时自...
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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How accurately should I store latitude and longitude?
... 0.111 m
7 0.0000001 1.11 cm
8 0.00000001 1.11 mm
ref : https://en.wikipedia.org/wiki/Decimal_degrees#Precision
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Bash function to find newest file matching pattern
...cut -d' ' -f2
For a more useful script, see the find-latest script here: https://github.com/l3x/helpers
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Retrieve database or any other file from the Internal Storage using run-as
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I've published a simple shell script for dumping databases:
https://github.com/Pixplicity/humpty-dumpty-android
It performs two distinct methods described here:
First, it tries to make the file accessible for other users, and attempting to pull it from the device.
If that fails, i...
Conditional formatting based on another cell's value
...er to one specific cell.
This is supported in Google Sheets as of 2015:
https://support.google.com/drive/answer/78413#formulas
In your case, you will need to set conditional formatting on B5.
Use the "Custom formula is" option and set it to =B5>0.8*C5.
set the "Range" option to B5.
set the...
Android AsyncTask testing with Android Test Framework
...it testing), you can use an Executor in the current thread as described in https://stackoverflow.com/a/6583868/1266123
public class CurrentThreadExecutor implements Executor {
public void execute(Runnable r) {
r.run();
}
}
And then you run your AsyncTask in your unit test like thi...