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Redis key naming conventions?
What are the normal naming convention for keys in redis? I've seen values separated by : but I'm not sure what the normal convention is, or why.
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Where are $_SESSION variables stored?
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The location of the $_SESSION variable storage is determined by PHP's session.save_path configuration. Usually this is /tmp on a Linux/Unix system. Use the phpinfo() function to view your particular settings if not 100% sure by creating a file with this content in the Doc...
“unmappable character for encoding” warning in Java
I'm currently working on a Java project that is emitting the following warning when I compile:
12 Answers
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How to make a Java thread wait for another thread's output?
...an application-logic-thread and a database-access-thread.
Both of them persist for the entire lifetime of the application and both need to be running at the same time (one talks to the server, one talks to the user; when the app is fully started, I need both of them to work).
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Cannot use identity column key generation with ( TABLE_PER_CLASS )
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The problem here is that you mix "table-per-class" inheritance and GenerationType.Auto.
Consider an identity column in MsSQL. It is column based. In a "table-per-class" strategy you use one table per class and each one has an ID.
Try:
@Gen...
SQL (MySQL) vs NoSQL (CouchDB) [closed]
...ore but now I am minded to try something new like couchdb or similar which is not SQL.
3 Answers
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Parsing a JSON string in Ruby
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This looks like JavaScript Object Notation (JSON). You can parse JSON that resides in some variable, e.g. json_string, like so:
require 'json'
JSON.parse(json_string)
If you’re using an older Ruby, you may need to install ...
How do I execute a command and get the output of the command within C++ using POSIX?
I am looking for a way to get the output of a command when it is run from within a C++ program. I have looked at using the system() function, but that will just execute a command. Here's an example of what I'm looking for:
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How do I parse a string with a decimal point to a double?
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answered Aug 30 '09 at 21:16
Mehrdad AfshariMehrdad A...
How to get the changes on a branch in Git
What is the best way to get a log of commits on a branch since the time it was branched from the current branch? My solution so far is:
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