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How to get my IP address programmatically on iOS/macOS?
...address programmatically.
How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are?
10 An...
What is PECS (Producer Extends Consumer Super)?
...
I'm always trying to think about it this way: A producer is allowed to produce something more specific, hence extends, a consumer is allowed to accept something more general, hence super.
– Feuermurmel
May 7 '13 at ...
Dump a NumPy array into a csv file
...nes with different endianness. Some of these problems can
be overcome by outputting the data as text files, at the expense of
speed and file size.
Note. This function does not produce multi-line csv files, it saves everything to one line.
...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...ingBuilder b = new StringBuilder();
list.forEach(b::append);
System.out.println(b);
you can also try:
String s = list.stream().map(e -> e.toString()).reduce("", String::concat);
Explanation: map converts Integer stream to String stream, then its reduced as concatenation of all the ele...
Quickest way to convert a base 10 number to any base in .NET?
...onsole.WriteLine(binary); // prints 101
However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm not aware of any method in ...
What is the difference between NaN and None?
...ther than the less efficient object dtype, see NA type promotions.
# without forcing dtype it changes None to NaN!
s_bad = pd.Series([1, None], dtype=object)
s_good = pd.Series([1, np.nan])
In [13]: s_bad.dtype
Out[13]: dtype('O')
In [14]: s_good.dtype
Out[14]: dtype('float64')
Jeff comments (...
Parsing a comma-delimited std::string [duplicate]
...aining a comma-separated list of numbers, what's the simplest way to parse out the numbers and put them in an integer array?
...
git pushes with wrong user from terminal
...sword from the command line after I had reset my local credentials ! check out https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/ for details
– vancouverwill
May 9 '18 at 9:14
...
How do I check if an array includes a value in JavaScript?
What is the most concise and efficient way to find out if a JavaScript array contains a value?
54 Answers
...
How to convert byte array to string and vice versa?
...coding cannot be ASCII if you've got negative values. Once you figure that out, you can convert a set of bytes to a String using:
byte[] bytes = {...}
String str = new String(bytes, "UTF-8"); // for UTF-8 encoding
There are a bunch of encodings you can use, look at the Charset class in the Sun ja...