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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...and-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation.
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How can I run a program from a batch file without leaving the console open after the program starts?
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I tried this command in Win8. I'm not sure if it's different, but note that you must provide it with a Window title as your first parameter. When I would run it the way Patrick described, it would just open a new command prompt with "myProgram.exe...
C++ Redefinition Header Files (winsock2.h)
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This problem is caused when including <windows.h> before <winsock2.h>. Try arrange your include list that <windows.h> is included after <winsock2.h> or define _WINSOCKAPI_ first:
#define _WINSOCKAPI_ // stops windows.h including winsock.h
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How do you run CMD.exe under the Local System Account?
...ning Vista and I would like to manually complete the same operations as my Windows Service. Since the Windows Service is running under the Local System Account, I would like to emulate this same behavior. Basically, I would like to run CMD.EXE under the Local System Account.
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How do you crash a JVM?
...t semi-regular crashes when approaching the 4 Gb memory limit under the 32-bit versions (we generally use 64-bit now).
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How to get the error message from the error code returned by GetLastError()?
After a Windows API call, how can I get the last error message in a textual form?
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How can I connect to MySQL in Python 3 on Windows?
I am using ActiveState Python 3 on Windows and wanted to connect to my MySQL database.
I heard that mysqldb was the module to use.
I can't find mysqldb for Python 3.
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How do I check if a number evaluates to infinity?
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Because IEEE 64bit floats have 53 significant binary digits (see en.wikipedia.org/wiki/IEEE_754 ), so n+1 cannot be represented and is subject to rounding. Well, even integers are affected by rounding errors. Btw, I don't think that your co...
What is a good Hash Function?
... purposes of hashing functions:
to disperse data points uniformly into n bits.
to securely identify the input data.
It's impossible to recommend a hash without knowing what you're using it for.
If you're just making a hash table in a program, then you don't need to worry about how reversible or...
Get Base64 encode file-data from Input Form
I've got a basic HTML form from which I can grab a bit of information that I'm examining in Firebug.
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