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Could not establish trust relationship for SSL/TLS secure channel — SOAP

I have a simple web service call, generated by a .NET (C#) 2.0 windows app, via the web service proxy generated by Visual Studio, for a web service also written in C# (2.0). This has worked for several years, and continues to do so at the dozen or so places where it is running. ...
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What is the difference between JavaConverters and JavaConversions in Scala?

In scala.collection , there are two very similar objects JavaConversions and JavaConverters . 4 Answers ...
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How to know what the 'errno' means?

When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ? 15 Answers ...
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Case statement with multiple values in each 'when' block

The best way I can describe what I'm looking for is to show you the failed code I've tried thus far: 3 Answers ...
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How to sum up elements of a C++ vector?

What are the good ways of finding the sum of all the elements in a std::vector ? 11 Answers ...
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Parse config files, environment, and command-line arguments, to get a single collection of options

Python's standard library has modules for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also: ...
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Is it necessary to explicitly remove event handlers in C#

...class that offers up a few events. That class is declared globally but not instanced upon that global declaration--it's instanced on an as-needed basis in the methods that need it. ...
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Cell spacing in UICollectionView

How do I set cell spacing in a section of UICollectionView ? I know there is a property minimumInteritemSpacing I have set it to 5.0 still the spacing is not appearing 5.0. I have implemented the flowout delegate method. ...
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In Python script, how do I set PYTHONPATH?

I know how to set it in my /etc/profile and in my environment variables. 6 Answers 6 ...
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How to get a specific version of a file in Mercurial?

I am new to Mercurial. Just cannot find the right command. Tried update/checkout with no luck. I am using local repository. Thanks ...