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Java JDBC - How to connect to Oracle using Service Name instead of SID
...the JDBC Thin driver. The syntax is:
@//host_name:port_number/service_name
For example:
jdbc:oracle:thin:scott/tiger@//myhost:1521/myservicename
So I would try:
jdbc:oracle:thin:@//oracle.hostserver2.mydomain.ca:1522/ABCD
Also, per Robert Greathouse's answer, you can also specify the TNS name in th...
How to display pandas DataFrame of floats using a format string for columns?
I would like to display a pandas dataframe with a given format using print() and the IPython display() . For example:
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How to convert a string into double and vice versa?
I want to convert a string into a double and after doing some math on it, convert it back to a string.
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How do I read all classes from a Java package in the classpath?
... in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do?
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How do Python functions handle the types of the parameters that you pass in?
Unless I'm mistaken, creating a function in Python works like this:
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Accessing elements of Python dictionary by index
... it by using the keys. Getting the dictionary stored under "Apple", do the following:
>>> mydict["Apple"]
{'American': '16', 'Mexican': 10, 'Chinese': 5}
And getting how many of them are American (16), do like this:
>>> mydict["Apple"]["American"]
'16'
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Specified argument was out of the range of valid values. Parameter name: site
I am getting this Kind of Error like::
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How to suppress “unused parameter” warnings in C?
For instance:
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What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
Git - Pushing code to two remotes [duplicate]
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In recent versions of Git you can add multiple pushurls for a given remote. Use the following to add two pushurls to your origin:
git remote set-url --add --push origin git://original/repo.git
git remote set-url --add --push origin git://anothe...