f-stack | F-Stack is an user space network development kit with high performance based on DPDK, FreeBSD TCP/I | Networking library

This is simple: because you want the widget to live even after this function scope is finished and QObjects are not copyable. The following code does not work because you cannot copy the object.

I don't think there is an easy way of doing this, you'd have to (semi)-manually add these lines yourself. What I'm proposing below comes from this answer, but applied to your case. In essence, it exploits the fact that geom_area() is also stackable like the bar chart is. The downside is that you'll manually have to punch in coordinates for the positions where bars start and end, and you have to do it for each pair of stacked bars.

I've taken the liberty to boil your example down to the essential. As per comment, I don't think there is a way around defining the factor levels for each month separately. But you can do this in a function, create a list, and make use of the list character of a ggplot object.

That way is scalable, this means, it will stay the same code no matter how many months you have... :)

The reason for the error is because of the check for virtio PMD in function virtio_dev_configure file [dpdk root folder]drivers/net/virtio/virtio_ethdev.c. This can be due to the current Fstack enables RSS for better flow distribution over its port-queue pair.

There 2 possible solution to fix the problem is to

1. find the configuration parameter in f-stack.conf to disable RSS or
2. change the FSTACK port configuration logic not to use RSS (by editing code).

File: lib/ff_dpdk_if.c edit: line 627 from port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS; to port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE; and rebuild the fstack

Note: if you use physical NIC RSS is supported in most of cases. hence there will be no error there.

FARPROC does not work the same way in C++ as it does in C. This is actually described in the CallWindowProc documentation:

...
The FARPROC type is declared as follows:

int (FAR WINAPI * FARPROC) ()

In C, the FARPROC declaration indicates a callback function that has an unspecified parameter list. In C++, however, the empty parameter list in the declaration indicates that a function has no parameters. This subtle distinction can break careless code.
...

So, you will have to use proper function-pointer signatures instead, eg:

You have to pass fig as a parameter to the Figure on the canvas to the plt.subplot2grid method:

This could be achieved like so:

1. Extract the category labels including the sample sizes from you person variable using e.g. string::str_extract and assign it to cat.
2. Add scales = "free_y" to facet_grid.

EDIT The sample sizes could be remove from the question using e.g. gsub:

Nodejs provides wait_for method that allows you to wait in your code for the stack being in the state if interest. The possible states you can wait for are:

• stackExists
• stackCreateComplete
• stackUpdateComplete
• and more.

Thus you can add wait_for with stackUpdateComplete to your code before you perform further actions on the stack.

I know at least two solutions.

1. Create HotSpot Serviceability Agent tool to find the address of MaxJavaStackTraceDepth variable in memory, and then update the memory of the process using OS-specific mechanism.

2. Attach a JVM TI agent that intercepts StackOverflowErrors and prints a stack trace right from the agent.

Here is the code for the first solution (as it is presumably shorter):