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Java 8 Iterable.forEach() vs foreach loop
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prev = curr;
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Can't handle checked exceptions. Lambdas aren't actually forbidden from throwing checked exceptions, but common functional interfaces like Consumer don't declare any. Therefore, any code that throws checked exceptions must wrap them in try-catch or Throwables.propagate(). But ...
Optimistic vs. Pessimistic locking
...to the database for your session. In this situation the client cannot actually maintain database locks as the connections are taken from a pool and you may not be using the same connection from one access to the next.
Pessimistic Locking is when you lock the record for your exclusive use until you...
What is the proper way to URL encode Unicode characters?
...characters from the unreserved set without translation, and should convert all other characters to bytes according to UTF-8, and then percent-encode those values. This requirement was introduced in January 2005 with the publication of RFC 3986. URI schemes introduced before this date are not affecte...
How to hide TabPage from TabControl [duplicate]
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But RemoveByKey() + Add() is totally working
– Vinko Vrsalovic
Oct 3 '13 at 14:30
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Taking screenshot on Emulator from Android Studio
...when I changed the default Desktop location to my Pictures library. Before all looked fine, but it didn't save the screenshot
– lvmeijer
Feb 11 '19 at 2:30
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How to determine the number of days in a month in SQL Server?
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All of the solutions mentioned here pale in comparison to the elegance of @Mikael Eriksson's answer. That works whenever a valid date is provided without crazy workarounds for niche cases and is far simpler code - I'd highly...
Converting 'ArrayList to 'String[]' in Java
...you can also pass an array with the desired size.
Important update: Originally the code above used new String[list.size()]. However, this blogpost reveals that due to JVM optimizations, using new String[0] is better now.
sh...
What is the best way to compare floats for almost-equality in Python?
...the magnitudes of the two arguments; as the values get larger, so does the allowed difference between them while still considering them equal.
abs_tol is an absolute tolerance that is applied as-is in all cases. If the difference is less than either of those tolerances, the values are considered eq...
Pandoc markdown page break
...nd the Lua filter below to get page breaks in many formats.
Pandoc parses all inputs into an internal document format. That format has no dedicated way to represent page breaks, but it is still possible to encode the information in other ways. One way is to use raw LaTeX \newpage. This works perfec...
What can MATLAB do that R cannot do? [closed]
... 3 years. At this point, they have much more in common than not. It partially depends on your field and use-case. And as Spencer Graves said previously, it also depends on which "church you happen to frequent". It's best if you look at the MATLAB toolkit vs. CRAN for a specific task before you d...