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Set margin size when converting from Markdown to PDF with pandoc
...ted an RMarkdown file in RStudio and managed to knit it with knitr into an HTML and .md file. Next, I used pandoc to convert the .md file into a PDF file (I get an error if I try and convert from the .html file). However, the PDF that is produced have massive margins (like this http://johnmacfarl...
Static link of shared library function in gcc
...linux.derkeiler.com/Newsgroups/comp.os.linux.development.apps/2004-05/0436.html
You need the static version of the library to link it.
A shared library is actually an executable in a special format
with entry points specified (and some sticky addressing issues
included). It does not have all the inf...
How to turn on front flash light programmatically in Android?
...e:http://developer.android.com/reference/android/content/pm/PackageManager.html for more information.
For turning on/off flashlight:
I googled out and got this about android.permission.FLASHLIGHT. Android manifests' permission looks promising:
<!-- Allows access to the flashlight -->
<...
What does FrameLayout do?
...se.
http://www.learn-android-easily.com/2013/05/frame-layout-in-androis.html
FrameLayout is designed to display a single item at a time. You can
have multiple elements within a FrameLayout but each element will be
positioned based on the top left of the screen. Elements that overlap
wi...
SVG: text inside rect
...
Using my html knowledge - which might well not apply here - it seems like the g element has an implicit size here and I'd like the rectangle to expand to it's size.
– George Mauer
Dec 20 '12 at 2...
Rails params explained?
...en params[:foo] would be "1" and params[:boo] would be "octopus".
In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's brow...
How can javascript upload a blob?
...(e) { ... };
xhr.send(file);
Granted, if you are replacing a traditional HTML multipart form with an "AJAX" implementation (that is, your back-end consumes multipart form data), you want to use the FormData object as described in another answer.
Source: New Tricks in XMLHttpRequest2 | HTML5 Rocks...
Multiline bash commands in makefile
...’) are interpreted differently.
https://www.gnu.org/software/make/manual/html_node/One-Shell.html
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Logical operator in a handlebars.js {{#if}} conditional
...
Note that this wasn't possible until HTMLBars in Ember 1.10. Also, those helpers come as an Ember CLI addon if you'd rather: github.com/jmurphyau/ember-truth-helpers.
– stephen.hanson
Jul 31 '15 at 15:06
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Maximum on http header values?
... on apache 2.4 which remains the same : httpd.apache.org/docs/2.4/mod/core.html#limitrequestfieldsize : Apache 2.0, 2.2,2.4: 8K
– Med Ali Difallah
Apr 4 '17 at 14:15
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