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Is there a way to instantiate objects from a string holding their class name?

...initializing or assigning to it. Have a look at its documentation here. Finally, the use of a raw function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this the...
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How do I get the full path to a Perl script that is executing?

...me of the script during execution. I discovered that depending on how you call the script $0 varies and sometimes contains the fullpath+filename and sometimes just filename . Because the working directory can vary as well I can't think of a way to reliably get the fullpath+filename of the scr...
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How do I get my Python program to sleep for 50 milliseconds?

...rity, CPU load avg, available memory, and a plethora of other factors make all calls imprecise. The busier the system is, the higher the imprecision. – David Jan 28 '19 at 18:44 2...
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Get name of caller function in PHP?

Is there a PHP function to find out the name of the caller function in a given function? 12 Answers ...
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Show the progress of a Python multiprocessing pool imap_unordered call?

...fully doing a multiprocessing Pool set of tasks with a imap_unordered() call: 9 Answers ...
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JavaScript open in a new window, not tab

I have a select box that calls window.open(url) when an item is selected. Firefox will open the page in a new tab by default. However, I would like the page to open in a new window, not a new tab. ...
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How to “properly” create a custom object in JavaScript?

...e result is that in mixed company you will have a mishmash of metaclasses, all behaving slightly differently. What's worse, most JavaScript tutorial material is terrible and serves up some kind of in-between compromise to cover all bases, leaving you very confused. (Probably the author is also confu...
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How do you do Impersonation in .NET?

...asy WindowsIdentity.Impersonate Method (check out the code samples) Basically you will be leveraging these classes that are out of the box in the .NET framework: WindowsImpersonationContext WindowsIdentity The code can often get lengthy though and that is why you see many examples like the on...
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_

...lations are needed and used when ordering and comparing strings. It's generally a good idea to have a single, unique collation used throughout your database - don't use different collations within a single table or database - you're only asking for trouble.... Once you've settled for one single col...
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Building a minimal plugin architecture in Python

... Mine is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitorin...