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How to do exponentiation in clojure?
...c-tower accessible!
On the command line:
$ lein new my-example-project
$ cd lein new my-example-project
Then edit project.clj and add [org.clojure/math.numeric-tower "0.0.4"] to the dependencies vector.
Start a lein REPL (not a clojure REPL)
$ lein repl
Now:
(require '[clojure.math.numeric...
Django : How can I see a list of urlpatterns?
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Django 1.11, Python 2.7.6
cd to_your_django_project
python manage.py shell
Then paste following code.
from django.conf.urls import RegexURLPattern, RegexURLResolver
from django.core import urlresolvers
urls = urlresolvers.get_resolver()
def if_none(...
Installing Google Protocol Buffers on mac
...tobuf.googlecode.com/files/protobuf-2.4.1.tar.gz
Extract the tar.gz file.
$cd ~/Downloads/protobuf-2.4.1
$./configure
$make
$make check
$sudo make install
$which protoc
$protoc --version
Steps 4-7 are from the README.txt file from the protobuf tarball.
...
Open URL under cursor in Vim with browser
...im I recommend doing this via ever-awesome Pathogen plugin and then simply cd ~/vimfiles/bundle & git clone git@github.com:xolox/vim-misc.git & git clone git@github.com:xolox/vim-shell.git from msysgit. (These two plugins open urls in your default browser without creating any extra command p...
How to create a .gitignore file
...
To do this on a mac, simply CD to the project directory and "touch .gitignore" you will have to also make sure you can see hidden files
– Jameo
Dec 17 '12 at 21:37
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How to send SMS in Java
...tEvent.FE:
case SerialPortEvent.PE:
case SerialPortEvent.CD:
case SerialPortEvent.CTS:
case SerialPortEvent.DSR:
case SerialPortEvent.RI:
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
case SerialPortEvent.DATA_AVAILABLE:
byt...
How to copy Docker images from one host to another without using a repository
...e host. Let's say you have an image called awesomesauce. In your terminal, cd to the directory where you want to export the image to. Now run:
docker save awesomesauce:latest > awesomesauce.tar
Copy the tar file to a thumb drive or whatever, and then copy it to the new host computer.
Now from...
Rails: How to reference images in CSS within Rails 4
...:
background-image: url("/assets/pretty-background-image-8b313354987c309e3cd76eabdb376c1e.jpg");
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Git says “Warning: Permanently added to the list of known hosts”
...pe cmd Enter. Command prompt should already open in your home folder. Type cd .ssh Enter, and then start . Enter to open the folder in Windows Explorer. Then you can create the config file in Notepad (no .txt extension when saving). (Pro users can echo directly to a new file in command prompt itself...
Is there a way to list task dependencies in Gradle?
... via Graphviz dot utility.
For example, png image is produced as follows:
cd build/reports/; dot -Tpng ./visteg.dot -o ./visteg.dot.png
For more information, please visit Graphviz home page.
Whatever tasks are actually used to run a task (for ex: build) can be viewed in nice HTML page using --pr...