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Fastest method to replace all instances of a character in a string [duplicate]
...g/character in a string in JavaScript? A while , a for -loop, a regular expression?
14 Answers
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How can a LEFT OUTER JOIN return more records than exist in the left table?
... was at least one record in the right table but thank you so much for the explanation.
– Jay Wilde
Sep 6 '18 at 17:43
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Is there a way to access method arguments in Ruby?
...me of the parameter and whether it is required.
e.g.
If you do
def foo(x, y)
end
then
method(:foo).parameters # => [[:req, :x], [:req, :y]]
You can use the special variable __method__ to get the name of the current method. So within a method the names of its parameters can be obtained vi...
Using vagrant to run virtual machines with desktop environment
... development environment is based on virtual machines, running on VirtualBox. We would like to move one step further, and use the capabilities of Vagrant to have the description of the machine in a text file and then be able to "raise" that machine based on that text file. Combined to puppet, this w...
What is the MIME type for Markdown?
Does anyone know if there exists a MIME type for Markdown? I guess it is text/plain , but is there a more specific one?
4 ...
How do I determine the size of my array in C?
...
Executive summary:
int a[17];
size_t n = sizeof(a)/sizeof(a[0]);
Full answer:
To determine the size of your array in bytes, you can use the sizeof
operator:
int a[17];
size_t n = sizeof(a);
On my computer, ints are 4 ...
REST APIs: custom HTTP headers vs URL parameters
...up is in a system to system request operating on behalf of a user. The proxy system will validate the user and add "X-User: userid" to the headers and use the system credentials to hit the endpoint. The receiving system validates that the system credentials are authorized to act on behalf of the u...
What is the purpose of the word 'self'?
...rs to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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How does “do something OR DIE()” work in PHP?
...then the entire statement must be true therefore the second part is never executed.
For example:
$x = 5;
true or $x++;
echo $x; // 5
false or $x++;
echo $x; // 6
Therefore, if your query is unsuccessful, it will evaluate the die() statement and end the script.
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Line-breaking widget layout for Android
...aining the words. As space required for all 'words' in a 'sentence' would exceed the available horizontal space on the display, I would like to wrap these 'sentences' as you would a normal piece of text.
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