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Subtract days from a date in JavaScript

...ime. So will correctly subtract 7 days time from the Date object. When you convert it to a string in your specified time zone it will correctly show the time for that zone. – awjr Oct 2 '15 at 14:40 ...
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How to check if a word is an English word with Python?

... The same mention applies here too: a lot faster when converted to a set: set(words.words()) – Iulius Curt Sep 30 '14 at 19:41 ...
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How do I skip an iteration of a `foreach` loop?

... You want: foreach (int number in numbers) // <--- go back to here --------+ { // | if (number < 0) // | { ...
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Reading a simple text file

...ring text=""; String[] s; private Vector<String> wordss; int j=0; private StringTokenizer tokenizer; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); se...
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Is it possible to Pivot data using LINQ?

...e key (hierarchical shape). To pivot, you must project the hierarchy back into a row/column form of your choosing. share | improve this answer | follow | ...
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The new syntax “= default” in C++11

..._traits> struct X { X() = default; }; struct Y { Y() { }; }; int main() { static_assert(std::is_trivial<X>::value, "X should be trivial"); static_assert(std::is_pod<X>::value, "X should be POD"); static_assert(!std::is_trivial<Y>::value, "Y should not...
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Extracting just Month and Year separately from Pandas Datetime column

...ore. Using df.my_date_column.astype('datetime64[M]'), as in @Juan's answer converts to dates representing the first day of each month. – Nickolay May 26 '18 at 19:52 4 ...
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Forward declaring an enum in C++

...'t know what storage size will have been chosen - it could be a char or an int, or something else. From Section 7.2.5 of the ISO C++ Standard: The underlying type of an enumeration is an integral type that can represent all the enumerator values defined in the enumeration. It is implementatio...
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How to use Comparator in Java to sort

...lections.sort(people, new LexicographicComparator()); System.out.println(people); Collections.sort(people, new AgeComparator()); System.out.println(people); } } class LexicographicComparator implements Comparator<Person> { @Override public int compare(Perso...
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How to get maximum value from the Collection (for example ArrayList)?

There is an ArrayList which stores integer values. I need to find the maximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max value would be 50 . ...