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What are the best practices for using a GUID as a primary key, specifically regarding performance?
... to use the GUIDs as the Primary Keys, but I was thinking of using a Composite Primary Key (The GUID and maybe another field.)
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Purpose of Unions in C and C++
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The purpose of unions is rather obvious, but for some reason people miss it quite often.
The purpose of union is to save memory by using the same memory region for storing different objects at different times. That's it.
It is like a room in a hotel. Different people live in it for non-overla...
How to Deal with Temporary NSManagedObject instances?
I need to create NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of ...
Java Byte Array to String to Byte Array
.... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
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Deserializing JSON to .NET object using Newtonsoft (or LINQ to JSON maybe?)
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If you just need to get a few items from the JSON object, I would use Json.NET's LINQ to JSON JObject class. For example:
JToken token = JObject.Parse(stringFullOfJson);
int page = (int)token.SelectToken("page");
int totalPages = (int)token.SelectToken(...
Android: When should I use a Handler() and when should I use a Thread?
...s the network, or for whatever reason,
Starting a new Thread and running it works fine.
Creating a Handler and running it works as well.
What's the difference? When should I use each one?
What are the advantages / reasons to use a Handler and not a Thread ?
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What's the best way to generate a UML diagram from Python source code? [closed]
...s from heaps of Python source code.
He's primarily interested in the inheritance relationships, and mildly interested in compositional relationships, and doesn't care much about class attributes that are just Python primitives.
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Why does Unicorn need to be deployed together with Nginx?
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Nginx
Unicorn
Refer to unicorn on github for more information.
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
I'm a bit perplexed on how to manage SmtpClient now that it is disposable, especially if I make calls using SendAsync. Presumably I should not call Dispose until SendAsync completes. But should I ever call it (e.g., using "using"). The scenario is a WCF service which mails out email periodically ...
“User interaction is not allowed” trying to sign an OSX app using codesign
Our automated build is running on Jenkins. The build itself is running on slaves, with the slaves being executed via SSH.
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