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Add new field to every document in a MongoDB collection

... Pymongo 3.9+ update() is now deprecated and you should use replace_one(), update_one(), or update_many() instead. In my case I used update_many() and it solved my issue: db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=Fa...
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How do I check if I'm running on Windows in Python? [duplicate]

..._ver and if it doesn't raise an exception, you're on Windows; but I don't know if that's forward compatible to 64-bit, since it has 32 in the name. win32_ver(release='', version='', csd='', ptype='') Get additional version information from the Windows Registry and return a tuple (v...
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How to set or change the default Java (JDK) version on OS X?

...the major version, like: export JAVA_HOME=`/usr/libexec/java_home -v 1.8` Now when you run java -version you will see: java version "1.6.0_65" Java(TM) SE Runtime Environment (build 1.6.0_65-b14-462-11M4609) Java HotSpot(TM) 64-Bit Server VM (build 20.65-b04-462, mixed mode) Add the export JAVA_HO...
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How to find if div with specific id exists in jQuery?

... This looks good but there's now a note w3.org/TR/html5/… that "relying on this will lead to brittle code". – Kivi Shapiro Apr 9 '18 at 18:39 ...
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Cleanest and most Pythonic way to get tomorrow's date?

...e that is exactly 24 hours ahead (the accepted answer returns midnight (unknown hours from now)). I don't see how leap seconds can change the result here unless called during a leap second on systems where 23:59:60 and 00:00:00 have the same timestamp. – jfs Se...
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Variable's scope in a switch case [duplicate]

...2: { String str = "2"; return str; } } The resulting code will now compile successfully since the variable named str in each case clause is in its own scope. share | improve this answer ...
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How to sort an ArrayList in Java [duplicate]

... return fruit1.fruitName.compareTo(fruit2.fruitName); } }); Now your fruits list is sorted based on fruitName. share | improve this answer | follow ...
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What does “abstract over” mean?

... (implicit ff: Foldable[F], m: Monoid[B]) = ff.foldMap(as, f) Now we have something quite general. The method mapReduce will fold any F[A] given that we can prove that F is foldable and that A is a monoid or can be mapped into one. For example: case class Sum(value: Int) case class Pro...
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How to automatically generate getters and setters in Android Studio

...on ALT+Insert on keyboard placing cursor down to variable declaration part now select constructor and press Ctrl+A on keyboard and click on Enter to create constructor. Now again placing cursor at next line of constructor closing brace , click ALT+INSERT and select getter and setter and again press ...
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How can I decode HTML characters in C#?

...solution because HttpUtility doesn't decode "'" symbol.. I don't know why.. – RredCat Sep 13 '11 at 13:44 Thi...