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Amazon EC2, mysql aborting start because InnoDB: mmap (x bytes) failed; errno 12
...r each reboot.
Some useful command related to SWAP space:
$ swapon -s
$ free -k
$ swapoff -a
$ swapon -a
References:
http://www.thegeekstuff.com/2010/08/how-to-add-swap-space/
http://cloudstory.in/2012/02/getting-the-best-out-of-amazon-ec2-micro-instances/
http://cloudstory.in/2012/02/adding-...
Initialization of an ArrayList in one line
... quite a bit of typing required to refer to that list instance.
There are alternatives, such as making an anonymous inner class with an instance initializer (also known as an "double brace initialization"):
ArrayList<String> list = new ArrayList<String>() {{
add("A");
add("B");...
Controlling maven final name of jar artifact
...>
</plugins>
</build>
Commnad mvn clean install
Output
[INFO] --- maven-jar-plugin:2.3.1:jar (default-jar) @ base ---
[INFO] Building jar: D:\dev\project\base\target\my-base-project.jar
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ base ---
[INFO] Instal...
Tools for Generating Mock Data? [closed]
I'm looking for recommendations of a good, free tool for generating sample data for the purpose of loading into test databases. By analogy, something that produces " lorem ipsum " text for any RDBMS. Features I'm looking for include:
...
Catch all JavaScript errors and send them to server
...t's open source (You can install it on your own server)
2- You can use the free plan (100 reports / day)
Or install it on your server: github.com/getsentry
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How to make my custom type to work with “range-based for loops”?
...() and X::end() that return something that acts like an iterator
Create a free function begin(X&) and end(X&) that return something that acts like an iterator, in the same namespace as your type X.¹
And similar for const variations. This will work both on compilers that implement the de...
What is private bytes, virtual bytes, working set?
...essarily mostly statically allocated within the DLL. DLL code is perfectly free to call VirtualAlloc, HeapAlloc (malloc and new in the CRTL), etc. It also tries to describe private memory size as a percentage of working set size, which is nonsensical. The former is a virtual size (and will be the sa...
How can I maximize the editor pane in IntelliJ IDEA?
...
UPDATE on 2015-03-24:
IntelliJ IDEA 14.1 now has support for Distraction Free Mode. You can invoke it by clicking View > Enter Distraction Free Mode. In this mode, IntelliJ hides everything but the menu. For more details, follow their video detailing the new feature: https://www.youtube.com/wat...
What does the servlet value signify
...e is a negative integer, or the element is not present, the
container is free to load the servlet whenever it chooses. If the value is a positive
integer or 0, the container must load and initialize the servlet as the application is
deployed. The container must guarantee that servlets marked w...
How to get svn remote repository URL?
...
Try:
svn info .
This should give some information about the current working copy, including the remote URL.
From the manual, an example output is:
$ svn info foo.c
Path: foo.c
Name: foo.c
URL: http://svn.red-bean.com/repos/t...