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Are non-synchronised static methods thread safe if they don't modify static class variables?
...les is it thread-safe? What about if the method creates local variables inside it? For example, is the following code thread-safe?
...
Merge two Git repositories without breaking file history
...ove the old_a repo files and folders into a subdirectory so they don't collide with the other repo coming later
mkdir old_a
dir -exclude old_a | %{git mv $_.Name old_a}
# Commit the move
git commit -m "Move old_a files into subdir"
# Do the same thing for old_b
git remote add -f old_b <OldB rep...
Returning value from called function in a shell script
...r"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
retval="true"
else
echo >&2 "cannot acquire lock, giving up on $lockdir"
retv...
How do I provide custom cast support for my class?
How do I provide support for casting my class to other types? For example, if I have my own implementation of managing a byte[] , and I want to let people cast my class to a byte[] , which will just return the private member, how would I do this?
...
What's the standard way to work with dates and times in Scala? Should I use Java types or there are
...
Video scalaj: Idiomatic Scala Wrappers for Java Libraries days2010.scala-lang.org/node/138/164
– oluies
Sep 1 '10 at 1:48
...
Python: fastest way to create a list of n lists
...ion and is about 15 % faster on my machine.
Edit: Using NumPy, you can avoid the Python loop using
d = numpy.empty((n, 0)).tolist()
but this is actually 2.5 times slower than the list comprehension.
share
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Logging request/response messages when using HttpClient
...sStringAsync() is called in the LoggingHandler, it causes the formatter
inside ObjectContent to serialize the object and that's the reason you are seeing the content in json.
Logging handler:
public class LoggingHandler : DelegatingHandler
{
public LoggingHandler(HttpMessageHandler innerHan...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
...
A few years ago it was said that update() and digest() were legacy methods and the new streaming API approach was introduced. Now the docs say that either method can be used. For example:
var crypto = require('crypto');
var text = 'I love cu...
bool operator ++ and --
...des 0 [false] and 2 or more [true]).
So as a short-hand ++ worked, and -- didn't.
++ is allowed on bools for compatibility with this, but its use is deprecated in the standard and it was removed in C++17.
This assumes that I only use x as an boolean, meaning that overflow can't happen until I've do...
How to link godaddy domain with AWS Elastic Beanstalk environment?
... be with GoDaddy, but handling requests for your site will be on Amazon's side.
Here is what you need to do:
Create a new Hosted Zone for your site in Route 53 console:
Open newly added domain name, find NS record and copy servers:
In GoDaddy's Domain Manager export records via "Export Zone Fil...