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Hex transparency in colors [duplicate]
...rcentage = (value in decimal ) * 100 / 255. ex : 214 *100/255 = 84%
More infos for the conversion decimal <=> hexadecimal
Long answer: how to calculate in your head
The problem can be solved generically by a cross multiplication.
We have a percentage (ranging from 0 to 100 ) and anothe...
Start / Stop a Windows Service from a non-Administrator user account
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There is a free GUI Tool ServiceSecurityEditor
Which allows you to edit Windows Service permissions. I have successfully used it to give a non-Administrator user the rights to start and stop a service.
I had used "sc sdset" before I k...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
...t advance like this one offer GUI without having to drag and drop? s.sudre.free.fr/Software/Packages/about.html
– user285594
Jan 14 '17 at 21:41
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jQuery disable/enable submit button
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Thanks for that info, but it doesn't actually say if using the attribute will cause a problem, e.g. loss of cross-browser-compatibility. Does using the attribute actually cause a problem?
– ChrisJJ
Nov ...
How do you remove an array element in a foreach loop?
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Some additional info about optimizing by using $key => &$tag_name stackoverflow.com/a/2008893/922522
– Justin
Oct 1 '15 at 18:57
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Regular expression to find URLs within a string
.... We're not sure if all people care about the standard. Thank you for your info.
– Duc Filan
Sep 12 '16 at 2:54
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npm install errors with Error: ENOENT, chmod
...into the root of your application, everything should work.
[edit] - more info on this behaviour here: https://docs.npmjs.com/misc/developers#keeping-files-out-of-your-package
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How to select a single field for all documents in a MongoDB collection?
... not using mongo's shell).
Please refer to documentation link for detailed info.
Nodejs, for instance, have a method called `projection that you would append to your find function in order to project.
Following the same example set, commands like the following can be used with Node:
db.student.fi...
Rails server says port already used, how to kill that process?
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Adding a -v flag also shows a small amount of info about what process got killed. So fuser -kv 3000/tcp. Alas that MacOS's fuser doesn't have this ability. kill $(lsof -ti tcp:3000) is a fairly close equivalent, though.
– lindes
D...
What is the best way to prevent session hijacking?
... proxies/networks. You may be able to use more information then that, feel free to be creative.
It's not 100%, but it's pretty damn effective.
There's more you can do to protect sessions, expire them, when a user leaves a website and comes back force them to login again maybe. You can detect a use...