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What is the point of interfaces in PHP?
Interfaces allow you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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Declaring variables inside loops, good practice or bad practice?
...cannot be referenced nor called outside of the loop.
This way:
If the name of the variable is a bit "generic" (like "i"), there is no risk to mix it with another variable of same name somewhere later in your code (can also be mitigated using the -Wshadow warning instruction on GCC)
The compiler k...
Error: could not find function … in R
I am using R and tried some.function but I got following error message:
10 Answers
1...
Get Specific Columns Using “With()” Function in Laravel Eloquent
...h(array('user'=>function($query){
$query->select('id','username');
}))->get();
It will only select id and username from other table. I hope this will help others.
Remember that the primary key (id in this case) needs to be the first param in the
$query->select() to actually...
What is the relation between BLAS, LAPACK and ATLAS
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BLAS is a collection of low-level matrix and vector arithmetic operations (“multiply a vector by a scalar”, “multiply two matrices and add to a third matrix”, etc ...).
LAPACK is a collection of higher-level linear algebra operations. Things like matrix factorizations (LU...
Is it possible to center text in select box?
...ver, using a jQuery plugin, you could style the dropdown:
https://www.filamentgroup.com/lab/jquery-ui-selectmenu-an-aria-accessible-plugin-for-styling-a-html-select.html
This plugin hides the select element, and creates span elements etc on the fly to display a custom drop down list style. I'm qui...
How do I reference a javascript object property with a hyphen in it?
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EDIT
Look at the comments you will see that for css properties key notation is not compatible with a number of properties. Using the camel case key notation therefore is the current way
obj.style-attr // would become
obj["styleAttr"]
Use key...
Specifying column name in a “references” migration
...e a migration in Rails, referencing another table. Usually, I would do something like:
6 Answers
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SSL Error: CERT_UNTRUSTED while using npm command
I am trying to install express framework using npm command but getting following error.
7 Answers
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How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
...://developers.google.com/console/help/#installed_applications which leads me to follow
http://developer.android.com/tools/publishing/app-signing.html .
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