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What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
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How to declare Return Types for Functions in TypeScript
...might have two different types return so you could use | (pipe) to declare all the possible return type: function foo(): string|number {}
– Snook
Jun 14 '17 at 11:35
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What are the big improvements between guava and apache equivalent libraries?
... me attempt to explain why.
Guava is more "modern"
Apache Commons is a really mature library, but it's also almost 10 years old, and targets Java 1.4. Guava was open sourced in 2007, targets Java 5, and thus Guava greatly benefits from the Java 5 features: generics, varargs, enums, and autoboxing....
How can I extract embedded fonts from a PDF as valid font files?
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You have several options. All these methods work on Linux as well as on Windows or Mac OS X. However, be aware that most PDFs do not include to full, complete fontface when they have a font embedded. Mostly they include just the subset of glyphs used ...
What does the > (greater than bracket) mean beside file names in Eclipse's Package Explorer?
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OK, have found that this is all configurable in Preferences: Team >> SVN >> Label Decorations. Thanks for the pointer. Will accept your answer once the 10 minute time limit is over.
– Stu Thompson
Dec...
How to check whether a pandas DataFrame is empty?
...[8]: len(df1.columns)
Out[8]: 0
In [9]: len(df2.columns)
Out[9]: 2
Critically, while the second dataframe df2 contains no data, it is not completely empty because it returns the amount of empty columns that persist.
Why it matters
Let's add a new column to these dataframes to understand the implic...
VB.NET equivalent of C# property shorthand?
...ring
This will be handled as your short version in C# is - I think they call it "Auto Property"
See also: Auto-Implemented Properties (Visual Basic)
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What is the maximum possible length of a .NET string?
...st you could do is 1,073,741,823, but you're not likely to ever be able to allocate that on a 32-bit machine.
This is one of those situations where "If you have to ask, you're probably doing something wrong."
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Not class selector in jQuery
... It is quicker now that the vast majority of browsers support querySelectorAll, but that hasn't always been the case.
– lonesomeday
Jul 23 '13 at 8:18
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How to create a unique index on a NULL column?
...rver 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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