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Formula to determine brightness of RGB color
...the only CORRECT algorithm for converting sRGB images, as used in browsers etc., to grayscale.
It is necessary to apply an inverse of the gamma function for the color space before calculating the inner product. Then you apply the gamma function to the reduced value. Failure to incorpor
Visual Studio Immediate window: how to see more than the first 100 items
...nswer is actually wrong! Have added an update comment - feel free to amend etc
– Ian Routledge
Jun 8 '18 at 8:14
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show 1 more comment
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Open files in 'rt' and 'wt' modes
...ow.com/questions/10971033/…, or stackoverflow.com/questions/17127853/… etc. Thank you for the info, good to know.
– alecxe
Apr 14 '14 at 2:46
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How to Deep clone in javascript
... copies objects, and does not require a 3rd party library (jQuery, LoDash, etc).
function copy(aObject) {
if (!aObject) {
return aObject;
}
let v;
let bObject = Array.isArray(aObject) ? [] : {};
for (const k in aObject) {
v = aObject[k];
bObject[k] = (typeof v === "object") ...
Aliases in Windows command prompt
...to write the whole directory anymore.
DOSKEY gsp="C:\Program Files (x86)\Sketchpad5\GSP505en.exe"
DOSKEY alias=notepad %USERPROFILE%\Dropbox\alias.cmd
:: Common directories
DOSKEY dropbox=cd "%USERPROFILE%\Dropbox\$*"
DOSKEY research=cd %USERPROFILE%\Dropbox\Research\
Note that the $* syntax ...
Release generating .pdb files, why?
... @m.edmondson Get access to the remote machine using RDP, Webex, etc. and install windbg there. Set up your symbols path and bam, you're golden!
– Marc Sherman
Nov 29 '12 at 14:14
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
...ke width and size
Paint color = new Paint();
color.setTextSize(35);
color.setColor(Color.BLACK);
// modify canvas
canvas1.drawBitmap(BitmapFactory.decodeResource(getResources(),
R.drawable.user_picture_image), 0,0, color);
canvas1.drawText("User Name!", 30, 40, color);
// add marker to Map
mMa...
What is the best project structure for a Python application? [closed]
...e a number of top-level files (like setup.py, README.md, requirements.txt, etc). There are then three directories that every project should have:
A docs directory containing project documentation
A directory named with the project's name which stores the actual Python package
A test directory in on...
Is there such a thing as min-font-size and max-font-size?
...but you don't necessarily have to resort to build tools like Gulp or Grunt etc.
I made a demo using CSS Custom Properties (CSS Variables) to easily control the min and max font sizes.
Like so:
* {
/* Calculation */
--diff: calc(var(--max-size) - var(--min-size));
--responsive: calc((var(--m...
Using SSH keys inside docker container
...ct. You need to add
RUN echo " IdentityFile ~/.ssh/id_rsa" >> /etc/ssh/ssh_config
to your Dockerfile in order to get it to recognize your ssh key.
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