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How many threads is too many?
I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads.
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A simple scenario using wait() and notify() in java
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The wait() and notify() methods are designed to provide a mechanism to allow a thread to block until a specific condition is met. For this I assume you're wanting to write a blocking queue implementation, where you have some fixed size ...
How to make rpm auto install dependencies
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Create a (local) repository and use yum to have it resolve the dependencies for you.
The CentOS wiki has a nice page providing a how-to on this. CentOS wiki HowTos/CreateLocalRepos.
Summarized and further minimized (not ideal, but quickest):
Creat...
Mixing C# & VB In The Same Project
Can you mix vb and c# files in the same project for a class library? Is there some setting that makes it possible?
17 Answe...
Remove empty elements from an array in Javascript
...that are falsy, which include an empty string "", 0, NaN, null, undefined, and false.
You can pass to the filter method, the Boolean constructor function, or return the same element in the filter criteria function, for example:
var filtered = array.filter(Boolean);
Or
var filtered = array.filte...
What's the difference between identifying and non-identifying relationships?
...t been able to fully grasp the differences. Can you describe both concepts and use real world examples?
15 Answers
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ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
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I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='se...
What's the difference between Ruby's dup and clone methods?
...s often my source for answers to these questions, since it is quite clear, and a fairly compliant Ruby implementation.
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How to debug a GLSL shader?
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Why would you want to debug anything? Because its code and he wants to examine run time values I would hazard....
– RichieHH
Aug 31 '15 at 10:57
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How to do paging in AngularJS?
I have a dataset of about 1000 items in-memory and am attempting to create a pager for
this dataset, but I'm not sure on how to do this.
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