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How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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Send a pull request on GitHub for only latest commit
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Based on @kevin-hakanson's answer, I wrote this little bash script to make this process easier. It will add the upstream repo if it doesn't already exist (prompting you for the URL) then prompt for both the name of the new branch to create and the tag / SHA of the commit to cherry pic...
Converting file size in bytes to human-readable string
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Here is the compressed version of the script: function humanFileSize(B,i){var e=i?1e3:1024;if(Math.abs(B)<e)return B+" B";var a=i?["kB","MB","GB","TB","PB","EB","ZB","YB"]:["KiB","MiB","GiB","TiB","PiB","EiB","ZiB","YiB"],t=-1;do B/=e,++t;while(Math.abs(B)>...
Changing three.js background to transparent or other color
...ame across this when I started using three.js as well. It's actually a javascript issue. You currently have:
renderer.setClearColorHex( 0x000000, 1 );
in your threejs init function. Change it to:
renderer.setClearColorHex( 0xffffff, 1 );
Update: Thanks to HdN8 for the updated solution:
rende...
How to import local packages without gopath
...1 and then importing with import "./package1" in binary1.go and binary2.go scripts like this :
binary1.go
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import (
"./package1"
)
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So my current directory structure looks like this:
myproject/
├── binary1.go
├── binary2.go
├── package1/
│ └── pa...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
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@AlexZavatone: className is a method added by the scripting extensions which is only available on Mac OS X, even then it is finicky in how it works because it is not fully documented (or at least it wasn't the last time I checked). NSStringFromClass() is the correct way to g...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
...have them.
When installing a brand new mysql server instance, the install script will create all the mysql.* tables with the proper structure.
When upgrading from an old version, make sure the proper upgrade procedure (mysql_upgrade) is used, which will add the missing tables / columns.
It is onl...
How can I convince IE to simply display application/json rather than offer to download it?
...lace. This won't affect any application/json documents downloaded via <script> tags, or via XHR, and so on.
The CLSID and Encoding keys get the same values used for image/gif, image/jpeg, and text/html.
This hint came from this site, and from Microsoft's article Handling MIME Types in In...
What is the easiest way to push an element to the beginning of the array?
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You can use methodsolver to find Ruby functions.
Here is a small script,
require 'methodsolver'
solve { a = [1,2,3]; a.____(0) == [0,1,2,3] }
Running this prints
Found 1 methods
- Array#unshift
You can install methodsolver using
gem install methodsolver
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What are some (concrete) use-cases for metaclasses?
... cumbersome, redundant and error prone:
class B(A):
bar = String()
# vs.
class B(A):
bar = String('bar')
_fields = {'B.bar': bar, 'A.foo': A.foo}
Having considered the most common and concrete use cases, the only cases where you absolutely HAVE to use metaclasses are when you want ...