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Check for array not empty: any?
..." value in the array evaluates to true.
Similar methods to this are none?, all? and one?, where they all just check to see how many times true could be evaluated. which has nothing to do with the count of values found in a array.
case 1
>> a = []
=> []
>> a.any?
=> false
>> a...
Get all elements but the first from an array
...ontent-policy\"\u003e(content policy)\u003c/a\u003e",
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...
Event Signature in .NET — Using a Strong Typed 'Sender'? [closed]
...
What you're proposing does make alot of sense actually, and I just wonder if this is one of those things that's simply the way it is because it was originally designed before generics, or if there's a real reason for this.
...
Is there any “font smoothing” in Google Chrome?
...e that explains it clearly and the few snippets I have found don't work at all.
5 Answers
...
What is an example of the Liskov Substitution Principle?
...the abstraction of having Square inherit from Rectangle is a bad one.
Y'all should check out the other priceless SOLID Principles Motivational Posters.
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...help determine which type of scope to use when writing a new directive. Ideally, I'd like something similar to a flowchart that walks me through a bunch of questions and out pops the correct answer – no new new scope, new child scope, or new isolate scope – but that is likely asking for too much...
What is a columnar database?
...an easy fashion).
How do they differ from relational databases?
They generally differ from traditional (row-oriented) databases with regards to ...
performance...
storage requirements ...
ease of modification of the schema ...
...in specific use cases of DBMSes.
In particular they offer advanta...
Trying to fix line-endings with git filter-branch, but having no luck
...r gitattributes now documents another approach for "fixing" or normalizing all the line endings in your project. Here's the gist of it:
$ echo "* text=auto" >.gitattributes
$ git add --renormalize .
$ git status # Show files that will be normalized
$ git commit -m "Introduce end-of-line ...
How to design a database for User Defined Fields?
...rformance is the primary concern, I would go with #6... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a...
How do you properly use namespaces in C++?
...
Namespaces are packages essentially. They can be used like this:
namespace MyNamespace
{
class MyClass
{
};
}
Then in code:
MyNamespace::MyClass* pClass = new MyNamespace::MyClass();
Or, if you want to always use a specific namespace, you can d...