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Java ResultSet how to check if there are any results
...all isBeforeFirst(). This avoids having to back-track if the data is to be read.
As explained in the documentation, this returns false if the cursor is not before the first record or if there are no rows in the ResultSet.
if (!resultSet.isBeforeFirst() ) {
System.out.println("No data");
}...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...by only the calling application. Other two modes supported are MODE_WORLD_READABLE and MODE_WORLD_WRITEABLE. In MODE_WORLD_READABLE other application can read the created file but can not modify it. In case of MODE_WORLD_WRITEABLE other applications also have write permissions for the created file....
In Python, how do I read the exif data for an image?
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You can also use the ExifRead module:
import exifread
# Open image file for reading (binary mode)
f = open(path_name, 'rb')
# Return Exif tags
tags = exifread.process_file(f)
...
vbscript output to console
...Write txt
End Function
Function scanf()
scanf = LCase(WScript.StdIn.ReadLine)
End Function
Function wait(n)
WScript.Sleep Int(n * 1000)
End Function
Function ForceConsole()
If InStr(LCase(WScript.FullName), vbsInterpreter) = 0 Then
oWSH.Run vbsInterpreter & " //NoLog...
Switch on ranges of integers in JavaScript [duplicate]
...tements are useful because they provide code that is more concise and more readable. Your example requires more lines than are necessary, and the code is far less clear than the equivalent if-then-else structure. It's simply a case of the right structure for the job. Just because you were able to cr...
What is a “web service” in plain English?
I've been reading about "web services" here on SO, on Wikipedia, Google, etc., and I don't quite understand what they are. What is the plain English definition/description?
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Static variables in JavaScript
...
Perhaps it should read MyClass.prototype.staticProperty = "baz"; or to be even more correct to OO principles the static property should actually be defined as an anonymous function MyClass.prototype.staticProperty = function () {return staticV...
Parsing a CSV file using NodeJS
...com/projects/node-csv . I couldnt get this to pause at each row. This just reads through all the 10000 records. I need to do the following:
...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
I'm trying to use Google MAP API v3 with the following code.
26 Answers
26
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Using an RDBMS as event sourcing storage
...cumented on Greg's website.
The schema of his prototypical "Events" table reads:
Table Events
AggregateId [Guid],
Data [Blob],
SequenceNumber [Long],
Version [Int]
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