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Change text color based on brightness of the covered background area?
... the element's (or ancestor's) background color, you can use this function from the article to determine a suitable foreground color:
function getContrastYIQ(hexcolor){
hexcolor = hexcolor.replace("#", "");
var r = parseInt(hexcolor.substr(0,2),16);
var g = parseInt(hexcolor.substr(2,2)...
How do you get the Git repository's name in some Git repository?
...a lot of information about original remote that you cloned your repository from, and it will contain original clone URL.
If, however, you removed link to original remote using git remote rm origin, or if you created that repository using git init, such information is simply impossible to obtain - i...
What is an uber jar?
...over).
Hence, in this context, an uber-jar is an "over-jar", one level up from a simple JAR (a), defined as one that contains both your package and all its dependencies in one single JAR file. The name can be thought to come from the same stable as ultrageek, superman, hyperspace, and metadata, whi...
Input and Output binary streams using JERSEY?
...enerator class (my own class for creating the PDF) takes the output stream from the write method and writes to that instead of a newly created output stream.
Don't know if it's the best way to do it, but it works.
share
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How do I control how Emacs makes backup files?
...lly creates a backup of the original file the first time the file is saved from a buffer. If you're editing a new file Emacs will create a backup the second time you save the file.
No matter how many times you save the file the backup remains unchanged. If you kill the buffer and then visit the fi...
RESTful call in Java
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If you are calling a RESTful service from a Service Provider (e.g Facebook, Twitter), you can do it with any flavour of your choice:
If you don't want to use external libraries, you can use java.net.HttpURLConnection or javax.net.ssl.HttpsURLConnection (for SSL...
Presenting a UIAlertController properly on an iPad using iOS 8
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You can present a UIAlertController from a popover by using UIPopoverPresentationController.
In Obj-C:
UIViewController *self; // code assumes you're in a view controller
UIButton *button; // the button you want to show the popup sheet from
UIAlertController...
Why not use HTTPS for everything?
... that the attacker doesn't need the username/password if he has the cookie from an authenticated session.
– rook
Apr 30 '10 at 18:44
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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From PHP's manual :
Type Hints can only be of the object and array (since PHP 5.1) type. Traditional type hinting with int and string isn't supported.
So you have it. The error message is not really helpful, I give you ...
Add a default value to a column through a migration
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Besides that, you need to specify a from: and to: if you want it to be reversible :)
– radubogdan
Mar 27 '17 at 11:34
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