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Why is a combiner needed for reduce method that converts type in java 8
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Configuring Git over SSH to login once
... .agent > /dev/null
}
The .agent file is created automatically by the script; it contains the environment variables definitions and exports. The above tries to source the .agent file, and then tries to ps(1) the agent. If it doesn't work it starts an agent and creates a new agent file. You can ...
Heavy usage of Python at Google [closed]
... choice for the latter role was essentially between Python and Perl: other scripting languages were either unripe (I don't think Ruby was around yet, for example) or had other issues and limitations. Perl was more mature (especially in terms of its ecosystem of available add-ons via CPAN), but Pyth...
Test if a command outputs an empty string
... seem convenient and easy, I suppose it will break easily. Writing a small script/application that returns 0 or 1 depending on the result is much more reliable!
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Split value from one field to two
... Sometimes, you have to do it. F.e. I need it in a migration script, so I don't care about performances.
– Matthieu Napoli
Nov 5 '13 at 11:13
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git:// protocol blocked by company, how can I get around that?
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Works great! No more search and replace. Build scripts just work now. This answer saved me a lot of time. Thanks!
– Jeremy Bell
May 1 '13 at 13:05
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Checkout one file from Subversion
...uperior method if you just want to grab the latest version of a particular script as part of a deploy, or something.
– william.berg
Aug 2 '13 at 11:44
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
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My team just ran into trouble using UUID1 for a database upgrade script where we generated ~120k UUIDs within a couple of minutes. The UUID collision led to violation of a primary key constraint.
We've upgraded 100s of servers but on our Amazon EC2 instances we ran into this issue a few t...
error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss
...ket file:
socket=/var/lib/mysql/mysql.sock
Sometimes the system startup script that launched the command line executable specifies a flag --socket=path. This flag could override the my.cnf location, and that would result in a socket not being found where the my.cnf file indicates it should be. T...
Orchestration vs. Choreography
...vice composition.
Service Choreography
Service choreography is a global description of the participating services, which is defined by exchange of messages, rules of interaction and agreements between two or more endpoints. Choreography employs a decentralized approach for service composition.
The...