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Apache Kafka vs Apache Storm
...ions on real time data in parallel.
The common flow of these tools (as I know it) goes as follows:
real-time-system --> Kafka --> Storm --> NoSql --> BI(optional)
So you have your real time app handling high volume data, sends it to Kafka queue. Storm pulls the data from kafka and app...
What is the point of Lookup?
...ictionary, which doesn't care that two keys correspond to the same value.
Now you want a way of looking up who a given phone number belongs to. You build a Lookup, adding all the KeyValuePairs from your Dictionary, but backwards, with the value as the key and the key as the value. You can now query...
stringstream, string, and char* conversion confusion
...str();
}
IMO that's the best solution. Unfortunately it's not very well known.
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Javascript web app and Java server, build all in Maven or use Grunt for web app?
...gest problem with both of these is that they are mostly Rhino based (WRO4J now has some Node support) and Rhino is dog slow compared to Node based tools. You also have to consider that the JavaScript tooling is rapidly maturing so you should be looking for tools that can move quickly.
WRO4J - Supp...
Is there a pattern for initializing objects created via a DI container
...my objects and I want to have some initialization parameters that are not known until run-time:
5 Answers
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Can I set an opacity only to the background image of a div?
... add a comment or a little update to your question, informing that this is now the new good way to do it. See you in 4 years for a new update ;)
– jj_
Dec 17 '15 at 11:48
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How to calculate the bounding box for a given lat/lng location?
I have given a location defined by latitude and longitude.
Now i want to calculate a bounding box within e.g. 10 kilometers of that point.
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How to pass object with NSNotificationCenter
... Thanks, I'm setting messageTotal to a badge on a UIButton, do you know how I can refresh the button with the new badge count? The code to display the image in viewDidLoad is UIBarButtonItem *eRXButton = [BarButtonBadge barButtonWithImage:buttonImage badgeString:@"1" atRight:NO toTarget:self...
Simple Digit Recognition OCR in OpenCV-Python
... letter_recognition.data file that comes with OpenCV samples. I wanted to know what is inside that file.
It contains a letter, along with 16 features of that letter.
And this SOF helped me to find it. These 16 features are explained in the paperLetter Recognition Using Holland-Style Adaptive Class...
How to declare a structure in a header that is to be used by multiple files in c?
...een both usages (separate names and same names), and none has drawbacks I know of, so using the same name makes reading simpler if you don't use C separate "namespaces" for structs and other symbols.
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