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UnicodeDecodeError when redirecting to file
...ct concepts of "string": (1) string of characters, and (2) string/array of bytes. This distinction has been mostly ignored for a long time because of the historic ubiquity of encodings with no more than 256 characters (ASCII, Latin-1, Windows-1252, Mac OS Roman,…): these encodings map a set of com...
How can I log the stdout of a process started by start-stop-daemon?
...rtas instead of --exec ensures that the process will be correctly detected by its pid and won't erroneously start multiple instances of the daemon if start is called multiple times. Otherwise, start-stop-daemon will look for a /bin/bash process and ignore the actual child process running the daemon....
Difference between new and override
...aying "Hey, when I call this method, it could have virtually been replaced by a derived implementation, so I don't really know in advance what method implementation I'm actually calling at runtime. So virtual signifies is a placeholder for a method. This implies that methods that are not marked as ...
What is the role of the bias in neural networks? [closed]
...-output network that has no bias:
The output of the network is computed by multiplying the input (x) by the weight (w0) and passing the result through some kind of activation function (e.g. a sigmoid function.)
Here is the function that this network computes, for various values of w0:
Changin...
What is android:weightSum in android, and how does it work?
...ghtSum Defines the maximum weight sum. If unspecified, the sum is computed by adding the layout_weight of all of the children.
– Jeff Axelrod
Oct 4 '12 at 3:26
...
Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
...ns in Zq field, where q is a prime such that n <= q < 2n - it exists by Bertrand's postulate. The proof doesn't need to be changed, since the formulas still hold, and factorization of polynomials is still unique. You also need an algorithm for factorization over finite fields, for example the ...
Meaning of Git checkout double dashes
...s, as it also means the argument after the -- cannot be a branch name, and by implication the argument before -- cannot be a file path.
– Gem Taylor
Sep 18 '19 at 10:16
add a ...
How to choose between Hudson and Jenkins? [closed]
...
Use Jenkins.
Jenkins is the recent fork by the core developers of Hudson. To understand why, you need to know the history of the project. It was originally open source and supported by Sun. Like much of what Sun did, it was fairly open, but there was a bit of benig...
Compare two files line by line and generate the difference in another file
... answer, but comm(1) is.
NAME
comm - compare two sorted files line by line
SYNOPSIS
comm [OPTION]... FILE1 FILE2
...
-1 suppress lines unique to FILE1
-2 suppress lines unique to FILE2
-3 suppress lines that appear in both files
So
comm -2 -3 f...
Read a file line by line assigning the value to a variable
...
The following reads a file passed as an argument line by line:
while IFS= read -r line; do
echo "Text read from file: $line"
done < my_filename.txt
This is the standard form for reading lines from a file in a loop. Explanation:
IFS= (or IFS='') prevents leading/trail...