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Tar a directory, but don't store full absolute paths in the archive
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Seems -C option upto tar v2.8.3 does not work consistently on all the platforms (OSes). -C option is said to add directory to the archive but on Mac and Ubuntu it adds absolute path prefix inside generated tar.gz file.
tar target_path/file.tar.gz -C...
How can I plot with 2 different y-axes?
...t post by Robert W. Baer):
## set up some fake test data
time <- seq(0,72,12)
betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35)
cell.density <- c(0,1000,2000,3000,4000,5000,6000)
## add extra space to right margin of plot within frame
par(mar=c(5, 4, 4, 6) + 0.1)
## Plot first set of ...
Problems with lib-icu dependency when installing Symfony 2.3.x via Composer
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POC composer.json :"require":{"symfony/symfony": "v2.3.3"}} result: ´Loading composer repositories with package information Installing dependencies (including require-dev) - Installing psr/log (1.0.0) Downloading: 100% - Installing twig/twig (v1.13.2) Downloadi...
Python Request Post with param data
...post your data with:
import requests
url = 'http://192.168.3.45:8080/api/v2/event/log'
data = {"eventType": "AAS_PORTAL_START", "data": {"uid": "hfe3hf45huf33545", "aid": "1", "vid": "1"}}
params = {'sessionKey': '9ebbd0b25760557393a43064a92bae539d962103', 'format': 'xml', 'platformId': 1}
reque...
Need for predictable random generator
...ndomness in small runs of some games is undesirable -- it does seem too unfair for some use cases.
I wrote a simple Shuffle Bag like implementation in Ruby and did some testing. The implementation did this:
If it still seems fair or we haven't reached a threshold of minimum rolls, it returns a...
Render a variable as HTML in EJS
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October 2017 update
The new ejs (v2, v2.5.7) development is happening here: https://github.com/mde/ejs
The old ejs (v0.5.x, 0.8.5, v1.0.0) is available here https://github.com/tj/ejs
Now with ejs you can do even more. You can use:
Escaped output with <%=...
Passing variables through handlebars partial
...h becomes the context for the partial:
{{> person this}}
In versions v2.0.0 alpha and later, you can also pass a hash of named parameters:
{{> person headline='Headline'}}
You can see the tests for these scenarios: https://github.com/wycats/handlebars.js/blob/ce74c36118ffed1779889d97e6a2...
Pass variables to Ruby script via command line
... "Argument: #{a}"
end
then
$ ./test.rb "test1 test2"
or
v1 = ARGV[0]
v2 = ARGV[1]
puts v1 #prints test1
puts v2 #prints test2
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Switch to another Git tag
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As of Git v2.23.0 (August 2019), git switch is preferred over git checkout when you’re simply switching branches/tags. I’m guessing they did this since git checkout had two functions: for switching branches and for restoring files....
How to correctly use the extern keyword in C
...nclude "my_project.H"
void main(void){
int v1 = function_1();
int v2 = function_2();
int v3 = function_3();
}
int function_2(void) return 1234;
In order to compile and link, we must define "function_2" in the same source code file where we call that function. The two other functions ...