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Inserting string at position x of another string

I have two variables and need to insert string b into string a at the point represented by position . The result I'm looking for is "I want an apple". How can I do this with JavaScript? ...
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Java String to SHA1

I'm trying to make a simple String to SHA1 converter in Java and this is what I've got... 12 Answers ...
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Get first and last day of month using threeten, LocalDate

... Extra info: YearMonth yearMonth = YearMonth.parse("202004",DateTimeFormatter.ofPattern("yyyyMM")); – egemen Jan 7 at 8:12 ...
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Why does Java's Arrays.sort method use two different sorting algorithms for different types?

...objects, maybe space is not a critically important consideration and the extra space used by a merge sort maybe not a problem. And if a programmer is using primitive types, maybe the performance is the most important thing so they use quick sort." ...
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How to check Django version

... to make sure that '1.7' < '1.7.1' < '1.7.5' < '1.7.10'. A normal string comparison would fail in the last comparison: >>> '1.7.5' < '1.7.10' False The solution is to use StrictVersion from distutils. >>> from distutils.version import StrictVersion >>> Stri...
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Check if one list contains element from the other

...re comparing, you'll get O(n) + O(m), that is, O(n+m), at the cost of some extra RAM; it's a matter of choosing between speed or memory. – Haroldo_OK Mar 1 '16 at 13:10 ...
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What's the difference between the atomic and nonatomic attributes?

...e dependent properties are in play. Consider: @property(atomic, copy) NSString *firstName; @property(atomic, copy) NSString *lastName; @property(readonly, atomic, copy) NSString *fullName; In this case, thread A could be renaming the object by calling setFirstName: and then calling setLastNam...
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Create table (structure) from existing table

... This solution is clearer than having the extra condition "1 = 2", I would recommend this – Pinte Dani Oct 2 '19 at 5:58 add a comment ...
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How to get the file extension in PHP? [duplicate]

... No need to use string functions. You can use something that's actually designed for what you want: pathinfo(): $path = $_FILES['image']['name']; $ext = pathinfo($path, PATHINFO_EXTENSION); ...
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How to check for null in Twig?

...NULL, and not any other value that evaluates to false (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be: {% if var is not defined or var is null %} which can be shortened to: {% if var|default is null %} If you don't provi...