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Force line-buffering of stdout when piping to tee
... unbuffer -p tee output.txt
(-p is for pipeline mode where unbuffer reads from stdin and passes it to the command in the rest of the arguments)
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Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
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How to get names of classes inside a jar file?
...hen you're scanning for a large number of classes.
ClassPath cp=ClassPath.from(Thread.currentThread().getContextClassLoader());
for(ClassPath.ClassInfo info : cp.getTopLevelClassesRecurusive("my.package.name")) {
// Do stuff with classes here...
}
Reflections
I haven't personally used the Re...
Adding external library into Qt Creator project
...forms supported by Qt. The idea is that you have to separate the directory from the library name (without the extension and without any 'lib' prefix). Of course, if you are including a Windows specific lib, this really doesn't matter.
In case you want to store your lib files in the project director...
Why am I getting an OPTIONS request instead of a GET request?
...
this fixed our problem, changing from "application/json" to "text/plain" stopped the horrible options request
– Keeno
Jul 12 '13 at 9:44
1...
Why can't yield return appear inside a try block with a catch?
...tered:
Attributes not being able to be generic
Inability for X to derive from X.Y (a nested class in X)
Iterator blocks using public fields in the generated classes
In each of these cases it would be possible to gain a little bit more freedom, at the cost of extra complexity in the compiler. The...
What is the difference between ndarray and array in numpy?
...o create an array using numpy.ndarray, but it is not the recommended way. From the docstring of numpy.ndarray:
Arrays should be constructed using array, zeros or empty ... The parameters given here refer to a
low-level method (ndarray(...)) for instantiating an array.
Most of the meat of...
Use space as a delimiter with cut command
...re passing them to the command being invoked.
(a) is answered by a quote from the POSIX guidelines for utilities (emphasis mine)
If the SYNOPSIS of a standard utility shows an option with a mandatory option-argument [...] a conforming application shall use separate arguments for that option an...
Difference between OData and REST web services
...mentations by e.g. setting the Accept header to application/json (starting from OData version 2)
– i000174
Jul 6 '16 at 7:45
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Django using get_user_model vs settings.AUTH_USER_MODEL
...butes, as well as if you want to define a ForeignKey/ManyToMany-relation.
From the changelog:
get_user_model() can now be called at import time, even in modules that define models.
so... is there still a reason to use settings.AUTH_USER_MODEL? Well, the docs still recommend the settings.AUTH_...