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What does Serializable mean?
What exactly does it mean for a class to be Serializable in Java? Or in general, for that matter...
10 Answers
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What is the better API to Reading Excel sheets in java - JXL or Apache POI [closed]
...ny differences:
Perhaps the most significant difference is that Java JXL does not support the Excel 2007+ ".xlsx" format; it only supports the old BIFF (binary) ".xls" format. Apache POI supports both with a common design.
Additionally, the Java portion of the JXL API was last updated in 2009 (3 ...
Why does ReSharper want to use 'var' for everything?
...u say that you don't care what the return "type" is, you only care what it does, and using well-named variables, along with intelli-sense & resharper / VS helpers (such as CTRL+CLICK to navigate to definition) will get you 99% of the way there. Additionally, using var means I don't have to rewr...
How does LMAX's disruptor pattern work?
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The Google Code project does reference a technical paper on the implementation of the ring buffer, however it is a bit dry, academic and tough going for someone wanting to learn how it works. However there are some blog posts that have started to ex...
When does a process get SIGABRT (signal 6)?
What are the scenarios where a process gets a SIGABRT in C++? Does this signal always come from within the process or can this signal be sent from one process to another?
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How do I watch a file for changes?
...s more or less a "link only" answer (3.) the answer mentions "polling" but does not provide add anything helpful after that ... where as @Deestan's answer does provide some good info on polling
– Trevor Boyd Smith
May 1 '17 at 14:28
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How to get a cross-origin resource sharing (CORS) post request working
...est-Headers: x-requested-with
header to all CORS requests. jQuery 1.5.2 does not do this. Also, according to the same question, setting a server response header of
Access-Control-Allow-Headers: *
does not allow the response to continue. You need to ensure the response header specifically in...
Difference between JOIN and INNER JOIN
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Is this true for all data bases (e.g. SQL, postgres?) Does anyone know a link to the documentation explaining this?
– Chogg
Oct 25 '17 at 17:32
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What does the “map” method do in Ruby?
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This doesn't work for me in irb. I get NoMethodError: private method 'plusone' called for 1:Fixnum in ruby 2 and 'wrong number of args' in ruby 1.9/1.8. Anyway, I used a lambda: plusone = ->(x) { x + 1 } then take out the sym...
What exactly is Type Coercion in Javascript?
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@Barmar Does it also applies to > , < ?
– Royi Namir
Oct 12 '14 at 11:06
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