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What does the ^ operator do in Java?
...+ 9
It may look complicated at first, but it really isn't. You basically read the digits left to right, and you multiply your result so far by 10 before adding the next digit.
In table form:
step result digit result*10+digit
1 init=0 8 8
2 8 6 ...
How would I extract a single file (or changes to a file) from a git stash?
...
On the git stash manpage you can read (in the "Discussion" section, just after "Options" description) that:
A stash is represented as a commit whose tree records the state of the
working directory, and its first parent is the commit at HEAD w...
How can I reverse a list in Python?
...red to extended slicing, such as range(1,4)[::-1], reversed() is easier to read, runs faster, and uses substantially less memory. "
– Jim Oldfield
Aug 20 '16 at 15:55
5
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How to modify a global variable within a function in bash?
...4 20171129-132414 20171129-132414 20171129-132414 20171129-132414
This already looks very good. (But there still is the local -n which does not work in oder common bash 3.x)
Avoid changing d()
The last solution has some big flaws:
d() needs to be altered
It needs to use some internal details ...
Putting an if-elif-else statement on one line?
I have read the links below, but it doesn't address my question.
Does Python have a ternary conditional operator? (the question is about condensing if-else statement to one line)
...
How to serve an image using nodejs
...else to get the job done" it should be noted, that using the http module already relies on someone else to get the job done. If someone doesn't want to rely on anyone to get the job done then at least raw TCP sockets should be used instead - which I do in one of my examples below.
A more serious pr...
Android studio Gradle build speed up
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Good answer. For further and detailed reading, check this SO answer.
– Sufian
Jan 7 '15 at 6:32
12
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raw_input function in Python
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The raw_input() function reads a line from input (i.e. the user) and returns a string
Python v3.x as raw_input() was renamed to input()
PEP 3111: raw_input() was renamed to input(). That is, the new input() function reads a line from sys.stdin and re...
Explain “claims-based authentication” to a 5-year-old
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i read out this write up and it seems that claims-based authentication is 3rd party auth system like open auth or social log-ins such as Microsoft Account, Facebook, Twitter, Google. anyone can tell me how claims-based authenti...
In Swift how to call method with parameters on GCD main thread?
...n versions of Swift use DispatchQueue.main.async to dispatch to the main thread:
DispatchQueue.main.async {
// your code here
}
To dispatch after on the main queue, use:
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
// your code here
}
Older versions of Swift used:
dispatch_asy...