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INotifyPropertyChanged vs. DependencyProperty in ViewModel
... use DependencyProperty for properties the View is going to bind against and I have seen the ViewModel implementing INotifyPropertyChanged instead.
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Entity Framework - Code First - Can't Store List
...ifferent table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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filename and line number of python script
How can I get the file name and line number in python script.
9 Answers
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Android - Set max length of logcat messages
...e that it considers to be "too long". This happens both inside of Eclipse and when running logcat on the command line using adb -d logcat , and is truncating some important debugging messages.
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
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A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly.
mysql_* extension:
NOTE The mysql_ functions are deprecated a...
How to delete files older than X hours
...all files with my find. My fault for not checking this first, but this command just deleted most of my home directory. For me, --mmin -X is the correct argument.
– brandones
Oct 16 '13 at 0:08
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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
What are the real world pros and cons of executing a dynamic SQL command in a stored procedure in SQL Server using
5 Answer...
How can I convert a zero-terminated byte array to string?
... byte slices return the number of bytes read. You should save that number and then use it to create your string. If n is the number of bytes read, your code would look like this:
s := string(byteArray[:n])
To convert the full string, this can be used:
s := string(byteArray[:len(byteArray)])
This ...
What is NODE_ENV and how to use it in Express?
...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...