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Differences between Java 8 Date Time API (java.time) and Joda-Time

...ifferences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time . 3 Answers ...
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How expensive is the lock statement?

... Here is an article that goes into the cost. Short answer is 50ns. share | improve this answer | follow | ...
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Oracle “Partition By” Keyword

...turn every record in the emp table.) emp_no dept_no DEPT_COUNT 1 10 3 2 10 3 3 10 3 <- three because there are three "dept_no = 10" records 4 20 2 5 20 2 <- two because there are two "dept_no = 20" records If there was another co...
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how do i block or restrict special characters from input fields with jquery?

...ut').on('keypress', function (event) { var regex = new RegExp("^[a-zA-Z0-9]+$"); var key = String.fromCharCode(!event.charCode ? event.which : event.charCode); if (!regex.test(key)) { event.preventDefault(); return false; } }); ...
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Select N random elements from a List in C#

...e probability of selection = (number needed)/(number left) So if you had 40 items, the first would have a 5/40 chance of being selected. If it is, the next has a 4/39 chance, otherwise it has a 5/39 chance. By the time you get to the end you will have your 5 items, and often you'll have all of them...
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How to post pictures to instagram using API

... | edited Sep 3 '18 at 7:10 answered Sep 17 '13 at 8:22 Alb...
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Is it a bad practice to use negative margins in Android?

... In 2010, @RomainGuy (core Android engineer) stated that negative margins had unspecified behavior. In 2011, @RomainGuy stated that you can use negative margins on LinearLayout and RelativeLayout. In 2016, @RomainGuy stated that...
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Algorithm to calculate the number of divisors of a given number

...he divisors together and apply those numbers into the formula above. Not 100% sure about my algo description but if that isn't it it's something similar . share | improve this answer | ...
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Find a pair of elements from an array whose sum equals a given number

... 30 Answers 30 Active ...
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How are parameters sent in an HTTP POST request?

... | edited Jun 6 '15 at 1:05 answered Jan 27 '13 at 19:32 G...