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Running JAR file on Windows

... Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE). Or this: Open the Windows Explorer, from the Tools select 'Folder Options...' Click the File Types tab, scroll down and select JAR File type. Press the Advanced button. In the Edi...
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Git push requires username and password

... will it be deleted automatically from the ubuntu files to after 7200 for security purpose ? – usama Feb 27 at 16:57 ...
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Possible to perform cross-database queries with PostgreSQL?

...no longer supported, but if you need to do this in a pre-2013 Postgres installation, there is a function called dblink. I've never used it, but it is maintained and distributed with the rest of PostgreSQL. If you're using the version of PostgreSQL that came with your Linux distro, you might need to...
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What is the difference between JavaConverters and JavaConversions in Scala?

...eating wrappers that implement either the Scala interface and forward the calls to the underlying Java collection, or the Java interface, forwarding the calls to the underlying Scala collection. JavaConverters uses the pimp-my-library pattern to “add” the asScala method to the Java collections ...
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How do I create directory if none exists using File class in Ruby?

...added a core-only solution to my answer: Be aware, however, that it essentially reimplements FileUtils.mkdir_p (which is the method dedicated to your use case) – Eureka Sep 27 '12 at 9:12 ...
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Can I create a One-Time-Use Function in a Script or Stored Procedure?

...nderstand the security implications before you consider this. DECLARE @add_a_b_func nvarchar(4000) = N'SELECT @c = @a + @b;'; DECLARE @add_a_b_parm nvarchar(500) = N'@a int, @b int, @c int OUTPUT'; DECLARE @result int; EXEC sp_executesql @add_a_b_func, @add_a_b_parm, 2, 3, @c = @result OUTPUT; PRI...
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Stateless and Stateful Enterprise Java Beans

...s. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is? 7 ...
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Finding the Eclipse Version Number

I have posted how to find it in Eclipse Gallileo, but if anyone has information on older versions feel free to post it below. ...
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Neo4j - Cypher vs Gremlin query language

...her the engine tries to find the best traversing solution itself. I personally use Cypher because of its simplicity and, to date, I have not had any situations where I had to use Gremlin (except working with Gremlin graphML import/export functions). I expect, however, that even if i would need to u...
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How do I execute a command and get the output of the command within C++ using POSIX?

...use the C stdio API, I prefer the iostreams API. popen requires you to manually clean up the FILE handle, pstreams do that automatically. popen only accepts a const char* for the argument, which requires care to avoid shell injection attacks, pstreams allows you to pass a vector of strings similar t...