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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...the statement that homebrew can install stuff without sudo because when it set itself up, it used sudo to make the permission on the directory looser so it will be able to do anything inside /usr/local without triggering the password. Does it mean the "install without password" part is wrong? I don'...
Numpy array assignment with copy
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What does the 'Z' mean in Unix timestamp '120314170138Z'?
...ely (timeanddate.com/time/zones) However, remember that even though the offset values are the same the geographical areas they represent are not.
– Sogger
Jul 11 '16 at 18:56
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Conditional import of modules in Python
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How to include route handlers in multiple files in Express?
...separate route file for my '/tests' endpoint already and want to add a new set of routes for '/tests/automated' I may want to break these '/automated' routes out into a another file to keep my '/test' file small and easy to manage. It also lets you logically group routes together by URL path which c...
Fastest way to count exact number of rows in a very large table?
I have come across articles that state that SELECT COUNT(*) FROM TABLE_NAME will be slow when the table has lots of rows and lots of columns.
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Can I delete a git commit but keep the changes?
In one of my development branches, I made some changes to my codebase. Before I was able to complete the features I was working on, I had to switch my current branch to master to demo some features. But just using a "git checkout master" preserved the changes I also made in my development branch, th...
Calculate age given the birth date in the format YYYYMMDD
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This answer has a bug in it. Set your clock to 12:01am. At 12:01am, if you calcAge('2012-03-27') (today's date) you will get an answer of zero, even though it should equal 1. This bug exists for the entire 12:00am hour. This is due to the incorrect stat...
Java ArrayList copy
... as big as source.size(), and then copy the range index-by-index using the set(int,E) method. The method doesn't add new elements to the destination. Refer to the source code if it's not clear enough from the Javadoc.
– Radiodef
Aug 3 '18 at 16:49
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How should one use std::optional?
...ally present in the XML document. Especially when the data can have a "not set" state, versus an "empty" and a "set" state (fuzzy logic). With an optional, set and not set is clear, also empty would be clear with the value of 0 or null.
This can show how the value of "not set" is not equivalent to ...