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Define all functions in one .R file, call them from another .R file. How, if possible?
How do I call functions defined in abc.R file in another file, say xyz.R?
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Map Tiling Algorithm
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The basic idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge.
The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as ...
Identifying the dependency relationship for python packages installed with pip
... freeze I see large number of Python packages that I didn't explicitly install, e.g.
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How do I use Wget to download all images into a single folder, from a URL?
I am using wget to download all images from a website and it works fine but it stores the original hierarchy of the site with all the subfolders and so the images are dotted around. Is there a way so that it will just download all the images into a single folder? The syntax I'm using at the moment i...
Get all git commits since last tag
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If your current commit is also a tag and you want to dynamically get the changes since the previous tag, without knowing the latest tag nor previous tag name, you can do:
git log --oneline $(git describe --tags --abbrev=0 @^)..@
Note that @ is short for HEAD.
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In OS X Lion, LANG is not set to UTF-8, how to fix it?
...ctly export your locale settings upon initiating a new session.
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
These two lines added to the file should suffice to set the locale [replace en_US for your desired locale, and check beforehand that it is indeed installed on your system (locale -a...
CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...过make命令构建项目生成目标文件，还支持安装（make install）、测试安装的程序是否能正确执行（make test，或者ctest）、生成当前平台的安装包（make package）、生成源码包（make package_source）、产生Dashboard显示数据并上传等高级功...
Bootstrap 3 and 4 .container-fluid with grid adding unwanted padding
...anks a bunch. I'd like to remove it when I'm using a column, though. I really don't want to mess with the core bootstrap css. I suspect there must be a sanctioned way to do this. Any thoughts?
– Tim
Aug 22 '14 at 13:22
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The static keyword and its various uses in C++
...that I find very confusing and I can never bend my mind around how its actually supposed to work.
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mysql - how many columns is too many?
...eral rule, your table structure should reflect your domain model; if you really do have 70 (100, what have you) attributes that belong to the same entity there's no reason to separate them into multiple tables.
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