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Best practices/performance: mixing StringBuilder.append with String.concat
...s append method.
Offical document: https://docs.oracle.com/javase/8/docs/api/java/lang/String.html
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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 and when to use ‘async’ and ‘await’
...nd thread, but it also doesn't block. This is possible due to asynchronous API's which use callbacks instead of juggling with threads. You initiate an (I/O, socket, ..) operation and return to doing your things. When the operation is done, the OS will invoke the callback. This is what Node.js or the...
How do I move a file with Ruby?
...ot work across partition on linux. I guess it depends on the underlying OS APIs. To be sure, just use FileUtils.mv.
– akostadinov
Oct 17 '14 at 10:24
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Iterating through a list in reverse order in java
...re some ways of reverse-iterating the list, with the help of the Streaming API:
List<Integer> list = new ArrayList<Integer>(Arrays.asList(1, 3, 3, 7, 5));
list.stream().forEach(System.out::println); // 1 3 3 7 5
int size = list.size();
ListIterator<Integer> it = list.listIterato...
Node.JS constant for platform-specific new line?
... if this is new in the 0.8.x but there is now a constant http://nodejs.org/api/os.html#os_os_eol
var endOfLine = require('os').EOL;
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Number of elements in a javascript object
..., $whatever-the-newest-hype, check if they come with their own collections API, which might be a better solution to your problem than using native JS objects.
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Comparison of C++ unit test frameworks [closed]
...aving to spend more of my time (and their money) fixing the tests when the API changed, than fixing the code it was meant to be testing. In the end I ditched it and wrote my own - this was about 5 years ago though.
– Component 10
Oct 10 '12 at 8:51
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Math functions in AngularJS bindings
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You can read more about the number filter here: http://docs.angularjs.org/api/ng/filter/number
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Allowing Untrusted SSL Certificates with HttpClient
...struggling to get my Windows 8 application to communicate with my test web API over SSL.
11 Answers
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