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What requirement was the tuple designed to solve?
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When writing programs it is extremely common to want to logically group together a set of values which do not have sufficient commonality to justify making a class.
Many programming languages allow you to logically group together a set of otherwise unrelated v...
What is the minimum I have to do to create an RPM file?
... debug_package %{nil}
%define __os_install_post %{_dbpath}/brp-compress
Summary: A very simple toy bin rpm package
Name: toybinprog
Version: 1.0
Release: 1
License: GPL+
Group: Development/Tools
SOURCE0 : %{name}-%{version}.tar.gz
URL: http://toybinprog.company.com/
BuildRoot: %{_tmppa...
SqlException from Entity Framework - New transaction is not allowed because there are other threads
...ach (RivWorks.Model.NegotiationAutos.Client client in clientList)
{
var companyFeedDetailList = from a in _dbRiv.AutoNegotiationDetails where a.ClientID == client.ClientID select a;
// ...
}
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How can I check if a program exists from a Bash script?
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Answer
POSIX compatible:
command -v <the_command>
Example use:
if ! command -v COMMAND &> /dev/null
then
echo "COMMAND could not be found"
exit
fi
For Bash specific environments:
hash <the_command> # For regul...
When to use Common Table Expression (CTE)
I have begun reading about Common Table Expression and cannot think of a use case where I would need to use them. They would seem to be redundant as the same can be done with derived tables. Is there something I am missing or not understanding well? Can someone give me a simple example of limitati...
Is there a Java reflection utility to do a deep comparison of two objects?
...where that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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How can I propagate exceptions between threads?
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How to encode the filename parameter of Content-Disposition header in HTTP?
...re is discussion of this, including links to browser testing and backwards compatibility, in the proposed RFC 5987, "Character Set and Language Encoding for Hypertext Transfer Protocol (HTTP) Header Field Parameters."
RFC 2183 indicates that such headers should be encoded according to RFC 2184, whi...
Release generating .pdb files, why?
Why does Visual Studio 2005 generate the .pdb files when compiling in release? I won't be debugging a release build, so why are they generated?
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