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How does the “final” keyword in Java work? (I can still modify an object.)

...erent ways depending on what it's used on: Value types: For ints, doubles etc, it will ensure that the value cannot change, Reference types: For references to objects, final ensures that the reference will never change, meaning that it will always refer to the same object. It makes no guarantees w...
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Should the folders in a solution match the namespace?

...olders equals namespaces One type per file (class, struct, enum, delegate, etc.) makes it easy to find the right file share | improve this answer | follow | ...
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REST HTTP status codes for failed validation or invalid duplicate

... thrown error or a business constraint error in REST) or other HTTP errors etc... From the code, it's hard to understand what was the failure reason, a HTTP (transport) failure or a REST (logical) failure. If the HTTP request physically was performed successfully it should always return 200 code, ...
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What is the recommended batch size for SqlBulkCopy?

... If it works, then I keep doubling the number of rows (e.g. to 2000, 4000, etc.) until I get a timeout. Otherwise, if a timeout occurs at 1000, then I decrease the number of rows by half (e.g. 500) until it works. In each case, I keep doubling (if successful) or halving (if failed) the difference ...
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Are there any O(1/n) algorithms?

...he numbers, minimum of time that sleep can wait, time to process arguments etc.): this limit would then be a constant lower bound so in fact the above function still has runtime O(1). But there are in fact real-world algorithms where the runtime can decrease (at least partially) when the input size...
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Haskell: Where vs. Let

... has a different emphasis and you see both used in math papers, textbooks, etc. Generally, variables that are sufficiently unintuitive that the formula doesn't make sense without them should be defined above; variables that are intuitive due to context or their names should be defined below. For exa...
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Android studio, gradle and NDK

... for each architecture you’re targeting (e.g. x86, arm, mips, arm64-v8a, etc…) The code you want to be compiled by default by the NDK toolchain will be located in (module)/src/main/jni and similarly to above, you can change it by setting sourceSets.main.jni.srcDirs in your module’s build....
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Joda-Time: what's the difference between Period, Interval and Duration?

... is a lapse of "civil time", expressed as a number of months, days, hours, etc. It does not -by itself- represent a "physical" interval, hence it can't be directly converted to a duration (months have variable lengths...). This answers question 3: you can only divide by two a physical time (a durat...
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Android DialogFragment vs Dialog

... You could also fetch the target fragment by setting a tag to the target and using FragmentManager's findFragmentByTag. But yeah, it requires a fair bit of code. – hrnt Nov 2 '11 at 9:53 ...
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How to obtain the start time and end time of a day?

...of the edge case issues you'll run into with time zones, daylight savings, etc. that a time library like Joda will take care of for you. – Edward Anderson Jul 13 '15 at 19:06 7 ...