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Shuffling a list of objects
...ng sample(a, len(a)) is the solution, using len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation.
Here's a simple version using random.sample() that returns the shuffled result as a new list.
import random
a = range(5)
b = rando...
How to use if-else option in JSTL
...
you have to use this code:
with <%@ taglib prefix="c" uri="http://www.springframework.org/tags/form"%>
and
<c:select>
<option value="RCV"
${records[0].getDirection() == 'RCV' ? 'selected="true"' : ''}>
<spring:message co...
How to force GitHub Pages build?
...can be built with Jekyll. GitHub builds the site every time you push a new commit.
Is there a way to force the refresh of the Github Pages website without pushing a new commit?
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Is it possible to start activity through adb shell? [duplicate]
...
Launch adb shell and enter the command as follows
am start -n yourpackagename/.activityname
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How do I install Python packages on Windows?
...ps to install pip on Windows, it's quite easy.
Install setuptools:
curl https://bootstrap.pypa.io/ez_setup.py | python
Install pip:
curl https://bootstrap.pypa.io/get-pip.py | python
Optionally, you can add the path to your environment so that you can use pip anywhere. It's somewhere like C:\P...
Reading an Excel file in python using pandas
..._xlsx_filename','rb'), sheetname=2)
check out documentation full details
http://pandas.pydata.org/pandas-docs/version/0.17.1/generated/pandas.read_excel.html
FutureWarning: The sheetname keyword is deprecated for newer Pandas versions, use sheet_name instead.
...
Force browser to download image files on click
...e 'download' to your links.
<a href="/path/to/image.png" download>
Compliant browsers will then prompt to download the image with the same file name (in this example image.png).
If you specify a value for this attribute, then that will become the new filename:
<a href="/path/to/image.pn...
Read values into a shell variable from a pipe
... is why read doesn't bother with input from a pipe - it's undefined.
FYI, http://www.etalabs.net/sh_tricks.html is a nifty collection of the cruft necessary to fight the oddities and incompatibilities of bourne shells, sh.
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API to automatically upload apk to Google Play? [closed]
...device screenshots
Look here for more info: https://developers.google.com/android-publisher/
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What's the best way to use R scripts on the command line (terminal)?
...ts to an R script try RScript which is bundled with R as of version 2.5.x
http://stat.ethz.ch/R-manual/R-patched/library/utils/html/Rscript.html
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