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Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
...y does 0.ToString("#.##") return an empty string? Shouldn't it be 0.00 or at least 0 ?
5 Answers
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Recompile Heroku slug without push or config change
I'm wondering if there is a way to force Heroku to recompile the slug without pushing new commits and/or updating the config variables.
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What do 'statically linked' and 'dynamically linked' mean?
...and 'dynamically linked', often in reference to code written in C , C++ or C# . What are they, what exactly are they talking about, and what are they linking?
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What Haskell representation is recommended for 2D, unboxed pixel arrays with millions of pixels?
I want to tackle some image-processing problems in Haskell. I'm working with both bitonal (bitmap) and color images with millions of pixels. I have a number of questions:
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Spring vs EJB. Can Spring replace EJB? [closed]
Since Spring is able to use transactions just like EJB . For me, Spring is able to replace the requirement of using EJB. Can anyone tell me what are the extra advantages of using EJB?
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How to tell a Mockito mock object to return something different the next time it is called?
...em I'm having is that it seems I need to rebuild the mocks to get this to work correctly. I'd like to avoid rebuilding the mocks, and just use the same objects in each test.
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How do I use the lines of a file as arguments of a command?
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If your shell is bash (amongst others), a shortcut for $(cat afile) is $(< afile), so you'd write:
mycommand "$(< file.txt)"
Documented in the bash man page in the 'Command Substitution' section.
Alterately, have your command read from stdin, so: mycommand &l...
How to trim a file extension from a String in JavaScript?
For example, assuming that x = filename.jpg , I want to get filename , where filename could be any file name (Let's assume the file name only contains [a-zA-Z0-9-_] to simplify.).
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RAII and smart pointers in C++
...ile file("/path/to/file");
// Do stuff with file
file.close();
In other words, we must make sure that we close the file once we've finished with it. This has two drawbacks - firstly, wherever we use File, we will have to called File::close() - if we forget to do this, we're holding onto the file l...
Reduce, fold or scan (Left/Right)?
...uld I use reduceLeft , reduceRight , foldLeft , foldRight , scanLeft or scanRight ?
3 Answers
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