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How to for each the hashmap? [duplicate]
...th forEach method that accepts a lambda expression we have also got stream APIs, in Java 8.
Iterate over entries (Using forEach and Streams):
sample.forEach((k,v) -> System.out.println(k + "=" + v));
sample.entrySet().stream().forEachOrdered((entry) -> {
Object currentKey = entr...
How to send email to multiple recipients using python smtplib?
...ne, which is why a list of adresses (not including names!) is the sensible API.
For the header, it can also contain for example the name, e.g. To: First Last <email@addr.tld>, Other User <other@mail.tld>. Your code example therefore is not recommended, as it will fail delivering this ma...
What's the most concise way to read query parameters in AngularJS?
...yes, you need parentheses, $location.search is a method docs.angularjs.org/api/ng/service/$location
– nandin
Jun 4 '14 at 14:03
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Uncaught SyntaxError: Unexpected token :
...having the inverse of this problem. I'm requesting JSON from a third party API and they are returning application/javascript as the response and I am getting the same error you reported in this question. Not sure how to deal with it.
– wuliwong
May 9 '12 at 20:...
Making heatmap from pandas DataFrame
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Useful sns.heatmap api is here. Check out the parameters, there are a good number of them. Example:
import seaborn as sns
%matplotlib inline
idx= ['aaa','bbb','ccc','ddd','eee']
cols = list('ABCD')
df = DataFrame(abs(np.random.randn(5,4)), ...
How do I ignore the authenticity token for specific actions in Rails?
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For rails 5.2, use skip_forgery_protection. See API docs.
– Aaron Breckenridge
Jun 13 '18 at 17:56
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Where should @Service annotation be kept? Interface or Implementation?
...ver will have two implementations. (BTW: As long as you are not building a api for some one else, you can always refactor you code and introduce the interface later on when you need it)
– Ralph
Mar 8 '17 at 11:21
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Easiest way to open a download window without navigating away from the page
...een called with the modified URL” - developer.mozilla.org/en-US/docs/Web/API/window.location
– Rob Juurlink
Aug 19 '13 at 11:47
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NullPointerException in Java with no StackTrace
...ortunate part of this is that it doesn't behave as you expect. The logger API actually takes Object as the first argument, not a string - and then it calls toString() on the argument. So instead of getting the nice pretty stack trace, it just prints out the toString - which in the case of NPE is p...
Using Default Arguments in a Function
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About the performance, a very simple test shows that using the Reflection API to get the default parameters makes the function call 25 times slower, while it still takes less than one microsecond. You should know if you can to live with that.
Of course, if you mean to use it in a loop, you should g...