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Portable way to get file size (in bytes) in shell?
On Linux, I use stat --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then?
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An “and” operator for an “if” statement in Bash
...trying to create a simple Bash script to check if the website is down and for some reason the "and" operator doesn't work:
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When does System.gc() do something?
... I understood that if you call System.gc() in your code that the JVM may or may not decide to perform garbage collection at that point. How does this work precisely? On what basis/parameters exactly does the JVM decide to do (or not do) a GC when it sees System.gc() ?
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How to automatically start a service when running a docker container?
...p;& /tmp/setup.sh
Docker images do not save running processes. Therefore, your RUN command executes only during docker build phase and stops after the build is completed. Instead, you need to specify the command when the container is started using the CMD or ENTRYPOINT commands like below:
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PHP Fatal error: Cannot redeclare class
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It means you've already created a class.
For instance:
class Foo {}
// some code here
class Foo {}
That second Foo would throw the error.
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How to convert a ruby hash object to JSON?
... ruby hash object to JSON? So I am trying this example below & it doesn't work?
5 Answers
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What is the relationship between the docker host OS and the container base image OS?
...at I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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Combining multiple @SuppressWarnings annotations - Eclipse Indigo
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Is this the normal convention for all annotations in Eclipse?
– knownasilya
Oct 25 '12 at 14:16
1
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Check if object is a jQuery object
Is there a fast way of checking if an object is a jQuery object or a native JavaScript object?
9 Answers
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Run command on the Ansible host
...le host. You can specify that all tasks in a play run on the Ansible host, or you can mark individual tasks to run on the Ansible host.
If you want to run an entire play on the Ansible host, then specify hosts: 127.0.0.1 and connection:local in the play, for example:
- name: a play that runs entir...