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Two sets of parentheses after function call
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It means that the first function ($filter) returns another function and then that returned function is called immediately. For Example:
function add(x){
return function(y){
return x + y;
};
}
var addTwo = add(2);
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Is there a 'box-shadow-color' property?
...thods (like border-radius) have their variations defined in the spec.
As with most missing "long-hand" CSS properties, CSS variables can solve this problem:
#el {
--box-shadow-color: palegoldenrod;
box-shadow: 1px 2px 3px var(--box-shadow-color);
}
#el:hover {
--box-shadow-color: gold...
Generate array of all letters and digits
Using ruby, is it possible to make an array of each letter in the alphabet and 0-9 easily?
7 Answers
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Resize image to full width and fixed height with Picasso
I have a vertical LinearLayout where one of the items is an ImageView loaded using Picasso. I need to rise the image's width to the full device width, and to display the center part of the image cropped by a fixed height (150dp). I currently have the following code:
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
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Problem SOLVED!
Attach method could potentially help somebody but it wouldn't help in this situation as the document was already being tracked while being loaded in Edit GET controller function. Attach would throw exactly the same error.
The issue I encounter here was caused by function ca...
How to concatenate columns in a Postgres SELECT?
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With string type columns like character(2) (as you mentioned later), the displayed concatenation just works because, quoting the manual:
[...] the string concatenation operator (||) accepts non-string
input, so long as a...
Maven check for updated dependencies in repository
...to check if there are newer versions of dependencies available in the repository?
5 Answers
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How to close a Java Swing application from the code
...oper way to terminate a Swing application from the code, and what are the pitfalls?
9 Answers
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Best practices around generating OAuth tokens?
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OAuth says nothing about token except that it has a secret associated with it. So all the schemes you mentioned would work. Our token evolved as the sites get bigger. Here are the versions we used before,
Our first token is an encrypted BLOB with username, token sec...
How to duplicate a git repository? (without forking)
I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together.
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