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Cause of a process being a deadlock victim
...ern, this is likely a better fix to make, before resorting to dirty reads, etc.
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Check if an apt-get package is installed and then install it if it's not on Linux
...kage 'certbot' is not installed and no information is available
the file /etc/logrotate.d/certbot is still present in the system after apt remove, but not after --purge.
However, the file /usr/lib/python3/dist-packages/certbot/reporter.py is still present even after --purge.
I don't understand w...
Using member variable in lambda capture list inside a member function
...robably gets optimized out. Shorter and better is: auto& tmp = grid; etc.
– Tom Swirly
Aug 10 '15 at 17:49
4
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Why can't I define a static method in a Java interface?
...d. I believe static is a crummy term in languages anyway, and has been stretched too far as is. So having it by itself is already sketchy. See my example above stackoverflow.com/questions/512877/… {shrug}.
– user4229245
Sep 2 '16 at 18:14
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C# constructor execution order
... that there can be more than one if they're chained with Foo() : this(...) etc
Note that in Java, the base class is initialized before variable initializers are run. If you ever port any code, this is an important difference to know about :)
I have a page with more details if you're interested.
...
How do you use the Immediate Window in Visual Studio?
... results to variables if you want to do further evaluations, calculations, etc.:
? string msg = foo.GetMessage();
"hello"
? msg + " there!"
"hello there!"
Furthermore, if you don’t even want to declare a variable name for a new object and just want to run one of its methods/functions then do th...
Shell script to delete directories older than n days
...lanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the follo...
Send POST Request with Data Specified in File via Curl
...you may have more form data elements, like comment to file or tags to file etc as was my case. Hence, I would like to add it here as it was my use case, so that it could help others.
curl -POST -F comment=mycomment -F file_type=XLSX -F file_data=@/your/path/to/file.XLSX http://yourhost.example.com...
Sort Go map values by keys
...ys, k)
}
sort.Strings(keys) # or sort.Ints(keys), sort.Sort(...), etc., per <K>
for _, k := range keys {
v := m[k]
f(k, v)
}
}
Then call it with the input map and a function (taking (k <K>, v <V>) as its input arguments) that is called over the ma...
How to disable the application pool idle time-out in IIS7?
...any setting on a high traffic site you should always test for side effects etc on your staging/QA environment. Also during the time you're applying the change to your production environment then you really ought to throw up a maintenance page for public facing users until such time the change has ta...