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How to change Rails 3 server default port in develoment?
On my development machine, I use port 10524. So I start my server this way :
9 Answers
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How to find out what type of a Mat object is with Mat::type() in OpenCV
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201
Here is a handy function you can use to help with identifying your opencv matrices at runtime....
Purge Kafka Topic
...me on the topic to one second:
kafka-topics.sh --zookeeper <zkhost>:2181 --alter --topic <topic name> --config retention.ms=1000
And in newer Kafka releases, you can also do it with kafka-configs --entity-type topics
kafka-configs.sh --zookeeper <zkhost>:2181 --entity-type topi...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
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answered Jul 1 '13 at 17:23
CalebCaleb
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PHP Session Security
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edited Jun 6 '12 at 17:37
user656925
answered Aug 11 '08 at 2:38
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GitHub Error Message - Permission denied (publickey)
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
Above doesn't work first time, works 2nd time.
16 Answers
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in Ipython notebook / Jupyter, Pandas is not displaying the graph I try to plot
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edited Apr 16 '19 at 20:39
chrisfs
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Bash script - variable content as a command to run
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217
You just need to do:
#!/bin/bash
count=$(cat last_queries.txt | wc -l)
$(perl test.pl test2 $...