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Why are properties without a setter not serialized
...eUploader: {
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Rails find_or_create_by more than one attribute?
...ll of these were factored out of rails just the attribute specific ones.
https://github.com/rails/rails/blob/4-2-stable/guides/source/active_record_querying.md
Example
GroupMember.find_or_create_by_member_id_and_group_id(4, 7)
became
GroupMember.find_or_create_by(member_id: 4, group_id: 7)
...
What is AssemblyInfo.cs used for?
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How can I output leading zeros in Ruby?
...3d" % number works pretty well, but it goes against the rubocop ruby style guide:
Favor the use of sprintf and its alias format over the fairly
cryptic String#% method
We can obtain the same result in a more readable way using the following:
format('%03d', number)
...
ActiveModel::ForbiddenAttributesError when creating new user
...y_sanitizer
params.require(:article).permit(:name)
end
end
source:
https://github.com/CanCanCommunity/cancancan#33-strong-parameters
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ElasticSearch - Return Unique Values
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const body = {
"size": 0, // Returning only aggregation results: https://www.elastic.co/guide/en/elasticsearch/reference/current/returning-only-agg-results.html
"aggs" : {
"langs": {
"composite" : {
"size": ITEMS_PER_PAGE,
"sourc...
How to set up Spark on Windows?
...ark without Mahout.
(5) The following tutorial is a good place to begin:
https://mahout.apache.org/users/sparkbindings/play-with-shell.html
You can bring up the Mahout Spark instance at:
"C:\Program Files (x86)\Google\Chrome\Application\chrome" --disable-web-security http://localhost:4040
...
How to install trusted CA certificate on Android device?
...
If you need your certificate for HTTPS connections you can add the .bks file as a raw resource to your application and extend DefaultHttpConnection so your certificates are used for HTTPS connections.
public class MyHttpClient extends DefaultHttpClient {
...
Creating a temporary directory in Windows?
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I like to use GetTempPath(), a GUID-creation function like CoCreateGuid(), and CreateDirectory().
A GUID is designed to have a high probability of uniqueness, and it's also highly improbable that someone would manually create a directory with the same for...
What is a good use case for static import of methods?
...ability; if you need only one or two members, import them individually.
(https://docs.oracle.com/javase/8/docs/technotes/guides/language/static-import.html)
There are two parts I want to call out specifically:
Use static imports only when you were tempted to "abuse inheritance". In this case, w...