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Using vagrant to run virtual machines with desktop environment
... config.vm.box = "ubuntu/bionic64"
# Optional - enlarge disk (will also convert the format from VMDK to VDI):
#config.disksize.size = "50GB"
config.vm.provider "virtualbox" do |vb|
# Display the VirtualBox GUI when booting the machine
vb.gui = true
end
# https://askubuntu.com/qu...
Splitting templated C++ classes into .hpp/.cpp files--is it possible?
...argument of the class method is the 'this' operator. All class methods are converted into individual methods with name mangling and the first parameter as the object which it operates on. The 'this' argument is which actually tells about size of the object which incase of template class is unavailab...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
... of 2-tuples for my basic OrderedDict so that I don't have the overhead of converting a list to an OrderedDict. I just loop through the elements like a list instead of a dictionary.
– Bobort
May 18 '17 at 16:17
...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
...ver Management Studio. In the left pane right-click on the server node and select Activity Monitor. Take a look at the running processes.
Normally most will be idle or running. When the problem occurs you can identify any blocked process by the process state. If you right-click on the process and se...
How do I write a “tab” in Python?
...
It's usually \t in command-line interfaces, which will convert the char \t into the whitespace tab character.
For example, hello\talex -> hello--->alex.
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Getting and removing the first character of a string
...cters:
x <- 'hello stackoverflow'
substring(x, 2, nchar(x))
Idea is select all characters starting from 2 to number of characters in x. This is important when you have unequal number of characters in word or phrase.
Selecting the first letter is trivial as previous answers:
substring(x,1,1...
Multiprocessing: How to use Pool.map on a function defined in a class?
... have been splitting up the functionality into separate packages, and also converting to 2/3 compatible code. Much of the above has been modularized in multiprocess which is 2/3 compatible. See stackoverflow.com/questions/27873093/… and pypi.python.org/pypi/multiprocess.
– M...
jQuery table sort
...k in case of case sensitivity. In this plugin 'a' != 'A'. It would work if converting the text to uppercase or lower case and then check & compare. Eg: Instead of $.text([a]) == $.text([b]) using $.text([a]).toUpperCase() == $.text([b]).toUpperCase() will fix it.
– NBK
...
How to get the error message from the error code returned by GetLastError()?
...
In general, you need to use FormatMessage to convert from a Win32 error code to text.
From the MSDN documentation:
Formats a message string. The function
requires a message definition as
input. The message definition can come
from a buffer passed into the
f...
error: ‘NULL’ was not declared in this scope
..., which is implemented in GCC since version 4.6. nullptr is not implicitly convertible to integral types, so it can be used to disambiguate a call to a function which has been overloaded for both pointer and integral types:
void f(int x);
void f(void * ptr);
f(0); // Passes int 0.
f(nullptr); //...