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How do DATETIME values work in SQLite?
I’m creating Android apps and need to save date/time of the creation record. The SQLite docs say, however, "SQLite does not have a storage class set aside for storing dates and/or times" and it's "capable of storing dates and times as TEXT, REAL, or INTEGER values".
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UIViewController viewDidLoad vs. viewWillAppear: What is the proper division of labor?
I have always been a bit unclear on the type of tasks that should be assigned to viewDidLoad vs. viewWillAppear : in a UIViewController subclass.
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When to use a key/value store such as Redis instead/along side of a SQL database?
I have read great things about key/value stores such as Redis but I can't seem to figure out when it's time to use it in an application.
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How to change the CHARACTER SET (and COLLATION) throughout a database?
Our previous programmer set the wrong collation in a table (Mysql). He set it up with Latin collation, when it should be UTF8, and now I have issues. Every record with Chinese and Japan character turn to ??? character.
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Android custom dropdown/popup menu
How do I do a custom dropdown/popup menu anchored to a button?
4 Answers
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Proper way to implement IXmlSerializable?
Once a programmer decides to implement IXmlSerializable , what are the rules and best practices for implementing it? I've heard that GetSchema() should return null and ReadXml should move to the next element before returning. Is this true? And what about WriteXml - should it write a root el...
Django CharField vs TextField
What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...
Binding a WPF ComboBox to a custom list
I have a ComboBox that doesn't seem to update the SelectedItem/SelectedValue.
4 Answers
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Difference between framework and static library in xcode4, and how to call them
I am quite new to xcode and objective-c. I want to ask a very basic question.
2 Answers
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How to hide command output in Bash
I want to make my Bash scripts more elegant for the end user. How do I hide the output when Bash is executing commands?
7 A...