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What is “callback hell” and how and why does RX solve it?
Can someone give a clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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How to print to console when using Qt
...ut you could try something like this (as Kyle Strand has pointed out):
QTextStream& qStdOut()
{
static QTextStream ts( stdout );
return ts;
}
You could then call as follows:
qStdOut() << "std out!";
sh...
Determining if a variable is within range?
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is it inclusive or exclusive?
– andrewcockerham
Aug 29 '17 at 12:01
1
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Split string, convert ToList() in one line
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This get Exception when the List has empty value or null.
– Sayed Muhammad Idrees
Oct 31 '19 at 10:43
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Oracle SQL escape character (for a '&')
While attempting to execute SQL insert statements using Oracle SQL Developer I keep generating an "Enter substitution value" prompt:
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Naming cookies - best practices [closed]
...er setting is set in php.ini. In other words, if you have a _COOKIE named "x" and a querystring param named "x", and you ask for $_REQUEST["x"], you get the cookie value when you might want/expect the GET param. This is especially problematic if your cookies are scoped to your website root "/", and ...
Finding out current index in EACH loop (Ruby) [duplicate]
I want to find out the current index while i am in the each loop. how do i do so?
2 Answers
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What does `dword ptr` mean?
Could someone explain what this means? (Intel Syntax, x86, Windows)
3 Answers
3
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Reset all changes after last commit in git
...due to .gitignore are preserved; they will not be removed
Warning: using -x instead of -fd would delete ignored files. You probably don't want to do this.
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Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...does something to RVM that produces lots of errors, the only safe way of fixing for now is to:
sudo apt-get --purge remove ruby-rvm
sudo rm -rf /usr/share/ruby-rvm /etc/rvmrc /etc/profile.d/rvm.sh
open new terminal and validate environment is clean from old RVM settings (should be no output):
en...