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How do I create an immutable Class?

I am working on creating an immutable class. I have marked all the properties as read-only. 6 Answers ...
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curl: (60) SSL certificate problem: unable to get local issuer certificate

... Actually I struggled for an hour as I did not write path inside quotes. So please take a note here curl.cainfo="/path/to/downloaded/cacert.pem" // Do not forget to write between quotes – Himanshu Upadhyay ...
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What's the difference between size_t and int in C++?

...ndly Wikipedia: The stdlib.h and stddef.h header files define a datatype called size_t which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and the sizeof operator evaluates to size_t. The actual type of size_t is platform-dependent; ...
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OnCreateOptionsMenu() not called in Fragment

I have an app which got one activity with 2 fragments placed horizontally. 8 Answers 8...
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What is function overloading and overriding in php?

...that method. In PHP, you can only overload methods using the magic method __call. An example of overriding: <?php class Foo { function myFoo() { return "Foo"; } } class Bar extends Foo { function myFoo() { return "Bar"; } } $foo = new Foo; $bar = new Bar; echo($foo-&...
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Backup/Restore a dockerized PostgreSQL database

... Backup your databases docker exec -t your-db-container pg_dumpall -c -U postgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql Restore your databases cat your_dump.sql | docker exec -i your-db-container psql -U postgres ...
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Constantly print Subprocess output while process is running

... return_code = popen.wait() if return_code: raise subprocess.CalledProcessError(return_code, cmd) # Example for path in execute(["locate", "a"]): print(path, end="") share | impro...
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Django: “projects” vs “apps”

...views.py and so on. Would it help if I said views.py doesn't have to be called views.py? Provided you can name, on the python path, a function (usually package.package.views.function_name) it will get handled. Simple as that. All this "project"/"app" stuff is just python packages. Now, how are yo...
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How can I open a link in a new window?

... window.open('url', 'window name', 'window settings') jQuery: $('a#link_id').click(function(){ window.open('url', 'window name', 'window settings'); return false; }); You could also set the target to _blank actually. ...
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Getting realtime output using subprocess

...pe, no communicate() method on the returned CompletedProcess. Also, capture_output is mutually exclusive with stdout and stderr. – Aidan Feldman Apr 19 '19 at 3:03 add a comme...