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How to return smart pointers (shared_ptr), by reference or by value?
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Return smart pointers by value.
As you've said, if you return it by reference, you won't properly increment the reference count, which opens up the risk of deleting something at the improper time. That alone should be enough reason to not ...
Git Blame Commit Statistics
How can I "abuse" blame (or some better suited function, and/or in conjunction with shell commands) to give me a statistic of how much lines (of code) are currently in the repository originating from each committer?
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How do I trim whitespace from a string?
How do I remove leading and trailing whitespace from a string in Python?
12 Answers
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ElasticSearch: Unassigned Shards, how to fix?
...cally. However, if 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 '...
How do I change db schema to dbo
... tables are prefixed with my username, for example: jonathan.MovieData . In the table properties it lists jonathan as the db schema. When I write stored procedures I now have to include jonathan. in front of all the table names which is confusing.
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Remove Last Comma from a string
Using JavaScript, how can I remove the last comma, but only if the comma is the last character or if there is only white space after the comma? This is my code.
I got a working fiddle . But it has a bug.
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Login to Microsoft SQL Server Error: 18456
I am getting this error while trying to connect to the SQL Server.
21 Answers
21
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Extract a part of the filepath (a directory) in Python
I need to extract the name of the parent directory of a certain path. This is what it looks like:
7 Answers
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How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
6 Answers
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How to execute a java .class from the command line
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Try:
java -cp . Echo "hello"
Assuming that you compiled with:
javac Echo.java
Then there is a chance that the "current" directory is not in your classpath ( where java looks for .class definitions )
If that's the case and listing the contents of your di...