Yegor Lukash

Panic: runtime error: index out of range [-1]

9

Hi! I have panic in production really frequent now. I am using prototool from Uber to build my pb-files with this configuration: ``` protoc: version: 3.9.1 generate: plugins: - name:...

If I have broken migration, I get the error: > error: migration failed in line 0:... I fixed problem and start migrations again: > error: Dirty database version 169. Fix...

Documentation: > Column projections: Only reads column data relevant to the query. Improves performance for I/O bound queries. I mean it as "vertica projection". Can I create projections manually?

log_format of apache access logs

1

Hi! I have log like this: 192.168.7.40 - - [31/Mar/2014:04:02:02 +0400] "POST /my/url HTTP/1.0" 200 16 "-" "Zend_Http_Client" It successfully parsed by ngxtop, but if I have this format: 192.168.7.40...

mat: What about sparse matrices?

17

I have big-size matrices, but it too sparsed. I do not have enough memory, and I do not see other libraries to do it.