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How to find the JVM version from a program?
...ersion") returns what you need.
You can also use JMX if you want:
ManagementFactory.getRuntimeMXBean().getVmVersion()
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Tricky Google interview question
...iend of mine is interviewing for a job. One of the interview questions got me thinking, just wanted some feedback.
21 Answe...
Rails: call another controller action from a controller
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Hi @spyros, the redirect_to does not allow to use post: :method and this can be useful particularly to redirecting to an already existing create action of another controller as @ddayan asked at the first time. I have a similar situation where in some situation I should create anoth...
How can I tell jackson to ignore a property for which I don't have control over the source code?
Long story short, one of my entities has a GeometryCollection that throws an exception when you call "getBoundary" (the why of this is another book, for now let's say this is the way it works).
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Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...de in question, one generic class uses another class with generic type parameters and needs to pass one of the generic types to a method with varargs parameters:
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How to calculate the number of days between two dates? [duplicate]
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@Mark 's comment about using Math.round was added to code of the answer. Don't round the result again, like someone I know... (ok it was me)
– Aardvark
May 14 '14 at 20:38
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Which is better, return “ModelAndView” or “String” on spring3 controller
...Spring allows you to do it either way.
Historically, the two approaches come from different versions of Spring. The ModelAndView approach was the primary way of returning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String retu...
Access to private inherited fields via reflection in Java
I found a way to get inherited members via class.getDeclaredFields();
and acces to private members via class.getFields()
But i'm looking for private inherited fields.
How can i achieve this?
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What's the purpose of SQL keyword “AS”?
...can set table aliases in SQL typing the identifier right after the table name.
9 Answers
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Encoding an image file with base64
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I'm not sure I understand your question. I assume you are doing something along the lines of:
import base64
with open("yourfile.ext", "rb") as image_file:
encoded_string = base64.b64encode(image_file.read())
You have to open the file first of course, and read its ...