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Does application.yml support environment variables?
...ing kotlin, you need to put your reference in quotes & escape the $ eg root: "\${LOGGING_LEVEL_ROOT:info}"
– Edward
Feb 11 '19 at 12:57
...
How to set Java environment path in Ubuntu
.../man/man1/java.1.gz
Now dig deeper-
$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 46 Aug 25 2018 /etc/alternatives/java -> /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
Dig deeper:
$ ls -l /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
-rwxr-xr-x 1 root root 6464 Mar 14 18:28 /usr/lib/jvm...
Cron and virtualenv
... SHELL environment variable to be /bin/bash:
SHELL=/bin/bash
*/10 * * * * root source /path/to/virtualenv/bin/activate && /path/to/build/manage.py some_command > /dev/null
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to ro...
Converting an array of objects to ActiveRecord::Relation
...l as sorting them with a specific column(id for instance). Since I'm using MySQL, the field function could be helpful.
MyModel.where('id in (?)',ids).order("field(id,#{ids.join(",")})")
The SQL looks like:
SELECT ... FROM ... WHERE (id in (11,5,6,7,8,9,10))
ORDER BY field(id,11,5,6,7,8,9,10)
...
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奥特加贫困的童年
由于温饱难以解决，8岁那年奥特加举家搬往拉科鲁尼亚，这是个极其混乱的小渔村。13岁那年，奥特加终于迫于生活的压力辍...
Is there a way to change the environment variables of another process in Unix?
...
Substantially, no. If you had sufficient privileges (root, or thereabouts) and poked around /dev/kmem (kernel memory), and you made changes to the process's environment, and if the process actually re-referenced the environment variable afterwards (that is, the process had not ...
How to npm install to a specified directory?
...ix}. What I also aim is to be able to let the packages.json in the project root and in the same time install all packages in {project root}/{project webroot}.
– automatix
Feb 22 '16 at 10:38
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Git error: “Host Key Verification Failed” when connecting to remote repository
...sts file to be known_hosts.old, and create a copy that is only readable by root. (-rw------- root root) You can easily chown this back to the appropriate user, but you also might waste an afternoon debugging why git is broken. :D
– Andrew Rueckert
Feb 28 at 23:...
Why do I need Transaction in Hibernate for read-only operations?
...nsactions can be optimized by DBs, but this of course is DB specific. E.g. MySQL added support for this only in InnoDB starting from 5.6.4 version.
If you're not using JDBC directly, but rather an ORM, that might be problematic. For instance Hibernate community says that working outside of transacti...
Scrolling a flexbox with overflowing content
... Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old...
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