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Fueling Curiosity, One Insight at a Time

At Codemancers, we believe every day is an opportunity to grow. This section is where our team shares bite-sized discoveries, technical breakthroughs and fascinating nuggets of wisdom we've stumbled upon in our work.

Aug 19, 2020
git log has grep.

git log --grep=“something something”

also can do some cut head etc to read the whole commit(which generally is the goal) at once
$git log --grep=“something something” | head -1 | cut -d” ” -f2 | xargs -I{} git show {}
goromlagche
Goromlagche
Jul 2, 2020
Postgres will look up an index only if it is worthwhile to look up an index. It will simply use regular row fetching otherwise. https://thoughtbot.com/blog/why-postgres-wont-always-use-an-index
george
George
Jul 2, 2020
Postgres will look up an index only if it is worthwhile to look up an index. It will simply use regular row fetching otherwise. https://thoughtbot.com/blog/why-postgres-wont-always-use-an-index
george
George
Jun 3, 2020
to debug statsd servers, this is a helpful command, echo "your.statsd.counter:1|c" | nc -u -w 1 your.statsd.host.com 8125
goromlagche
Goromlagche
Apr 15, 2020
port forward via ssh. ssh -L8200:127.0.0.1:8200 192.168.1.2. https://www.ssh.com/ssh/tunneling/example#local-forwarding
revath
Revath
Apr 13, 2020


+----------+---------+---------------------+------------------------+-------------+
|          | context | matched docs scored | matched docs in result | exact match |
+----------+---------+---------------------+------------------------+-------------+
| must     | query   | yes                 | yes                    | yes         |
| filter   | filter  | no                  | yes                    | yes         |
| should   | query   | yes                 | yes                    | no          |
| must_not | filter  | no                  | no                     | yes         |
+----------+---------+---------------------+------------------------+-------------+


akshay
Akshay
Apr 1, 2020
mac set custom default folder for screenshots defaults write com.apple.screencapture location /path/to/Screenshots
revath
Revath
Mar 18, 2020
incase pod install throws error xcrun:_ error: SDK "iphoneos" cannot be located run sudo xcode-select --switch /Applications/Xcode.app. souce: https://github.com/facebook/react-native/issues/18408#issuecomment-386696744
revath
Revath
Mar 17, 2020
This site https://imageonline.co/ is very handy to manipulate images online without searching for imagemagick commands
iffyuva
Iffyuva

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