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Test if remote TCP port is open from a shell script
...ethod for properly testing if a given TCP port is open on a remote server, from inside a Shell script.
16 Answers
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Getting RAW Soap Data from a Web Reference Client running in ASP.net
...nt. The client is a standard ASMX type web reference proxy auto generated from the service WSDL.
9 Answers
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Why are we not to throw these exceptions?
...for exceptions couldn’t disambiguate the intentionally thrown exception (from your logic) from other system exceptions that are entirely undesired and point out real faults.
The same reason also applies to SystemException. If you look at the list of derived types, you can see a huge number of oth...
Why is it OK to return a 'vector' from a function?
... several times. words is a local vector. How is it possible to return it from a function?
6 Answers
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...below).
You can read more in the Mozilla documentation on arrow functions.
From the Mozilla documentation:
An arrow function expression (also known as fat arrow function) has a shorter syntax compared to function expressions and lexically binds the this value (does not bind its own this, arguments,...
How to convert from System.Enum to base integer?
...
Is not working if underlying type differs from int
– Alex Zhukovskiy
Dec 23 '16 at 13:34
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Strip whitespace from jsp output
How can I strip out extra whitespace from jsp pages' output? Is there a switch I can flip on my web.xml? Is there a Tomcat specific setting?
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Android ListView not refreshing after notifyDataSetChanged
...);
items.clear();
items = dbHelper.getItems(); // reload the items from database
adapter.notifyDataSetChanged();
}
what you just have updated before calling notifyDataSetChanged() is not the adapter's field private List<Item> items; but the identically declared field of the fragm...
Where can I learn how to write C code to speed up slow R functions? [closed]
...y efficient) C code one can study, and CRAN has hundreds of packages, some from authors you trust. That provides real, tested examples to study and adapt.
But as Josh suspected, I lean more towards C++ and hence Rcpp. It also has plenty of examples.
Edit: There were two books I found helpful:
T...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...; data
array([[5.8, 2.8],
[6. , 2.2]])
# Creating pandas dataframe from numpy array
>>> dataset = pd.DataFrame({'Column1': data[:, 0], 'Column2': data[:, 1]})
>>> print(dataset)
Column1 Column2
0 5.8 2.8
1 6.0 2.2
...