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How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
26
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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When to use std::forward to forward arguments?
C++0x shows an example of using std::forward :
3 Answers
3
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Django using get_user_model vs settings.AUTH_USER_MODEL
...odel will attempt to retrieve the model class at the moment your app is imported the first time.
get_user_model cannot guarantee that the User model is already loaded into the app cache. It might work in your specific setup, but it is a hit-and-miss scenario. If you change some settings (e.g. the ...
Method call if not null in C#
Is it possible to somehow shorten this statement?
11 Answers
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Creating default object from empty value in PHP?
I see this error only after upgrading my PHP environment to PHP 5.4 and beyond. The error points to this line of code:
16 A...
How do I escape reserved words used as column names? MySQL/Create Table
...oblem is a class may have a field name key which is a reserved MySQL keyword. How do I escape it in a create table statement? (Note: The other problem below is text must be a fixed size to be indexed/unique)
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ElasticSearch: Unassigned Shards, how to fix?
...f you've disabled shard allocation (perhaps you did a rolling restart and forgot to re-enable it), you can re-enable shard allocation.
# v0.90.x and earlier
curl -XPUT 'localhost:9200/_settings' -d '{
"index.routing.allocation.disable_allocation": false
}'
# v1.0+
curl -XPUT 'localhost:9200/_c...
Best way to iterate through a Perl array
Which is the best implementation(in terms of speed and memory usage) for iterating through a Perl array? Is there any better way? ( @Array need not be retained).
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Search all the occurrences of a string in the entire project in Android Studio
I've just started using Android Studio (IntelliJ), and I now look for the feature to find the occurrence of a string in any of the files in my project. For example: I want to find all the files that contain the string " .getUuid() "
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