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How to move Jenkins from one PC to another
... up a repository to store the Jenkins home (jobs, configurations, plugins, etc.) in a GitLab local or on GitHub private repository and keep it updated regularly by pushing any new changes to Jenkins jobs, plugins, etc.
Step 2:
Configure a Puppet host-group/role for Jenkins that can be used to spin...
Default value to a parameter while passing by reference in C++
...st &); // B defaulted
void foo (C const &); // A & B defaulted etc...
It is also possible to redefine default arguments to virtual functions in derived class, which overloading avoids:
class Base {
public:
virtual void f1 (int i = 0); // default '0'
virtual void f2 (int);
inli...
Workflow for statistical analysis and report writing
...nction. It's completely self-contained, including all the analysis, data, etc. And you can version control the whole file.
I use the StatET plugin for Eclipse for developing the reports, and Sweave is integrated (Eclipse recognizes latex formating, etc). On Windows, it's easy to use MikTEX.
I w...
If using maven, usually you put log4j.properties under java or resources?
...instead leave it to the client (for example app-server, stage environment, etc) to configure the desired logging. Thus, putting it in src/test/resources is my preferred solution.
Note: Speaking of leaving the concrete log config to the client/user, you should consider replacing log4j with slf4j in ...
Collections.emptyMap() vs new HashMap()
...et() method and friends (as opposed to the constants Collections.EMPTY_SET etc.) is that they play nicely with generics. Plus, using a feature (raw types) that has been deprecated since Java 5 isn't a good teaching aid.
– Daniel Pryden
Feb 13 '13 at 6:07
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Why is a boolean 1 byte and not 1 bit of size?
...bably) exist computers which support 4-bit byte, you don't have 4-bit bool etc.
However, if you can design such an architecture which can address 4-bit as basic addressable unit, then you will have bool of size 4-bit then, on that computer only!
...
Error: request entity too large
...dn't had any success yet and uses NGINX to host the site add this line to /etc/nginx/sites-available
client_max_body_size 100M; #100mb
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Best way to test for a variable's existence in PHP; isset() is clearly broken
...ng them as though they were. However, since they can be iterated, counted, etc, a missing value is not the same as one whose value is null.
The answer in this case, is to use array_key_exists() instead of isset().
Since this is takes the array to check as a function argument, PHP will still raise ...
Optimise PostgreSQL for fast testing
...ts of work, increase work_mem to give them more RAM to play with for sorts etc. Beware that too high a work_mem setting can cause out-of-memory problems because it's per-sort not per-connection so one query can have many nested sorts. You only really have to increase work_mem if you can see sorts sp...
Continuous Integration for Ruby on Rails? [closed]
... displaying links to them: you get no graphs of tests run, no trend lines, etc. I also had to adjust the routes.rb file to get the code linking working (the resources :projects line needs to move below all the other non-default routes).
TeamCity
This looks awesome, but the pay scale seems out of w...