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Specifying and saving a figure with exact size in pixels
...igure with a certain pixel size, you need to know the DPI of your monitor. For example this link will detect that for you.
If you have an image of 3841x7195 pixels it is unlikely that you monitor will be that large, so you won't be able to show a figure of that size (matplotlib requires the figure ...
Merge / convert multiple PDF files into one PDF
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package for pdfunite is poppler-utils in debian but may not be present in old debian releases.
– Jocelyn delalande
Nov 10 '13 at 12:16
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Summarizing multiple columns with dplyr? [duplicate]
...rent variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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What is an MvcHtmlString and when should I use it?
The documentation for MvcHtmlString is not terribly enlightening:
4 Answers
4
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Inserting a Link to a Webpage in an IPython Notebook
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For visual learners.
[blue_text](url_here)
Thanks dbliss.
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Difference between socket and websocket?
...e with another application using socket connections. This is new territory for me, so want to be sure that sockets are different than websockets . It seems like they're only conceptually similar.
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extract part of a string using bash/cut/split
...l/users/joebloggs:DNS9=domain.com"
NAME=${MYVAR%:*} # retain the part before the colon
NAME=${NAME##*/} # retain the part after the last slash
echo $NAME
Doesn't depend on joebloggs being at a particular depth in the path.
Summary
An overview of a few parameter expansion modes, for referen...
Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
...s follows:
Check if the user-agent is that of an iPhone/iPod Touch
Check for an appInstalled cookie
If the cookie exists and is set to true, set window.location to your-uri:// (or do the redirect server side)
If the cookie doesn't exist, open a "Did you know Your Site Name has an iPhone applicatio...
What's an elegant way to conditionally add a class to an HTML element in a view?
...ur variable:
<div class="<%= 'ok' if @success %>">
A second form using the ternary ?: operator is useful if you want to choose between two classes:
<div class="<%= @success ? 'good' : 'bad' %>">
Finally, you can use Rail's record tag helpers such as div_for, which will ...
Is it possible to declare git repository as dependency in android gradle?
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For me the best way is:
https://jitpack.io
Step 1. Add the JitPack repository to build.gradle at the end of repositories:
repositories {
// ...
maven { url "https://jitpack.io" }
}
Step 2. Add the dependency in t...