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0.1 float is greater than 0.1 double. I expected it to be false [duplicate]
... That's more or less what I assumed (IEEE-745, at least): I think almost all machines for which Python is implemented use IEEE-754. My point is just that the corresponding values may be different on another architecture (like some of the mainframes, which don't use IEEE).
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java.lang.OutOfMemoryError: GC overhead limit exceeded [duplicate]
...) HashMap objects with a few (15-20) text entries each. These Strings have all to be collected (without breaking up into smaller amounts) before being submitted to a database.
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bundle install returns “Could not locate Gemfile”
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You just need to change directories to your app, THEN run bundle install :)
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Java dynamic array sizes?
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No you can't change the size of an array once created. You either have to allocate it bigger than you think you'll need or accept the overhead of having to reallocate it needs to grow in size. When it does you'll have to allocate a new one and copy the data from the old to the new:
int[] oldItems ...
vim - How to delete a large block of text without counting the lines?
...pe V (capital). Then move up/down to highlight the block you want deleted (all the usual movement commands work). Then remove it with x or d.
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How to compile a 64-bit application using Visual C++ 2010 Express?
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Here are step by step instructions:
Download and install the Windows Software Development Kit version 7.1. Visual C++ 2010 Express does not include a 64 bit compiler, but the SDK does. A link to the SDK: http://msdn.microsoft.com/en-us/windowsserver/bb980924.aspx
Change your pr...
Java multiline string
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Furthermore, the first version will be automatically concatenated by the compiler, since all the strings are known at compile time. Even if the strings are not known at compile time, it's no slower than StringBuilder or String.format(). The only reason to avoid concatenati...
Why can't a text column have a default value in MySQL?
...hat frustrating, as I want a default value!). Anybody know why this is not allowed?
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How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
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“using namespace” in c++ headers
In all our c++ courses, all the teachers always put using namespace std; right after the #include s in their .h files. This seems to me to be dangerous since then by including that header in another program I will get the namespace imported into my program, maybe without realizing, intending or...