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What is the equivalent of the C# 'var' keyword in Java?
...possible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
var myString = "foo";
myString = 3;
var is also useful whe...
What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
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Is pass-by-value a reasonable default in C++11?
In traditional C++, passing by value into functions and methods is slow for large objects, and is generally frowned upon. Instead, C++ programmers tend to pass references around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory ma...
How can I maximize the editor pane in IntelliJ IDEA?
...the editor pane to make the editor pane take up the entire Eclipse window, and then again to restore the pane back to its previous size exposing the other panes.
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What's the difference of $host and $http_host in Nginx
In Nginx, what's the difference between variables $host and $http_host .
1 Answer
1...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...m/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html
Use the ssh command to connect to the instance. You'll specify the private key (.pem) file and user_name@public_dns_name. For Amazon Linux, the user name is ec2-user. For RHEL5, the user name is either root or ec2-user. For Ubuntu, the user ...
How to construct a relative path in Java from two absolute paths (or URLs)?
...java.nio.file.Path#relativize(Path), it just works with parent double-dots and all.
– Campa
Feb 12 '16 at 9:40
Conside...
Is there a way to create your own html tag in HTML5?
...sers, although they won’t be HTML5 (see Are custom elements valid HTML5? and the HTML5 spec).
Let's assume you want to use a custom tag element called <stack>. Here's what you should do...
STEP 1
Normalize its attributes in your CSS Stylesheet (think css reset) -
Example:
stack{display...
How to fix “Headers already sent” error in PHP
...ically
Previous error messages or notices
Intentional:
print, echo and other functions producing output
Raw <html> sections prior <?php code.
Why does it happen?
To understand why headers must be sent before output it's necessary
to look at a typical HTTP
response. PHP scripts ...
How can I recover a lost commit in Git?
...reflog is your friend. Find the commit that you want to be on in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
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