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Laravel Eloquent ORM Transactions
... you want to use Eloquent, you also can use this
This is just sample code from my project
/*
* Saving Question
*/
$question = new Question;
$questionCategory = new QuestionCategory;
/*
* Insert new record for question
*/
...
Transposing a NumPy array
...the concept of a row/column vector. Numpy is idiosyncratic to folks coming from a lot of places, not just matlab.
– eric
Dec 29 '18 at 16:15
...
“Cannot connect to iTunes Store” in-app purchases
... not setting up a Sandbox User, I forgot that step. And don't log into it from the Settings >> iTunes section of the device b/c that will break it. Wait and do it during the actual testing.
– Nathan Prather
Jul 22 '16 at 3:12
...
How to do URL decoding in Java?
...(UnsupportedEncodingException e) {
// not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need to catch UnsupportedEncodingException:
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8);...
git branch -d gives warning
...if it was a fast-forward, this will generate a new SHA for each new commit from origin/old_branch, causing git to see the original SHA's in your local old_branch as unmerged after pulling the changes to your local master branch. You can see this answer and this answer for why this occurs.
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Hidden features of Ruby
...
From Ruby 1.9 Proc#=== is an alias to Proc#call, which means Proc objects can be used in case statements like so:
def multiple_of(factor)
Proc.new{|product| product.modulo(factor).zero?}
end
case number
when multiple_of...
@synthesize vs @dynamic, what are the differences?
...; field). If the value is being produce by something else (e.g. calculated from other fields) then you have to use @dynamic.
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Does python have a sorted list?
...ule.
Installation:
pip install sortedcontainers
Usage:
>>> from sortedcontainers import SortedList
>>> l = SortedList()
>>> l.update([0, 4, 1, 3, 2])
>>> l.index(3)
3
>>> l.add(5)
>>> l[-1]
5
...
Programmer-friendly search engine? [closed]
...rching for APi documentation the engine should also extract valid examples from eg blog posts and show them to us. Et cetera.
For the full paper, please refer to: "Assieme, Finding and Leveraging Implicit References
in a Web Search Interface for Programmers"
PS: If you are interest in the latest...
Are C++ enums signed or unsigned?
...3 Enum type is a distinct type of its own having no concept of sign. Since from C++03 standard dcl.enum
7.2 Enumeration declarations
5 Each enumeration defines a type that is different from all other types....
So when we are talking about the sign of an enum type, say when comparing 2 enum opera...