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How to get parameters from the URL with JSP
...ut:
Hello <b><%= request.getParameter("name") %></b>!
If the page was accessed with the URL:
http://hostname.com/mywebapp/mypage.jsp?name=John+Smith
the resulting output would be:
Hello <b>John Smith</b>!
If name is not specified on the query string, the output...
Ruby get object keys as array
I am new to Ruby, if I have an object like this
4 Answers
4
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New Array from Index Range Swift
...
#1. Using Array subscript with range
With Swift 5, when you write…
let newNumbers = numbers[0...position]
… newNumbers is not of type Array<Int> but is of type ArraySlice<Int>. That's because Array's subscript(_:) returns an ArraySlice<Element...
Rails 4 - passing variable to partial
...
You need the full render partial syntax if you are passing locals
<%= render @users, :locals => {:size => 30} %>
Becomes
<%= render :partial => 'users', :collection => @users, :locals => {:size => 30} %>
Or to use the new hash sy...
What's the best practice for primary keys in tables?
... situations.
On surrogate vs natural key, I refer to the rules above. If the natural key is small and will never change it can be used as a primary key. If the natural key is large or likely to change I use surrogate keys. If there is no primary key I still make a surrogate key because experien...
What is the difference between List (of T) and Collection(of T)?
...nd I am worried I'm about to go down a path in design that is irreversible if I don't understand this better. Also, I am using .NET.
...
PHP server on local machine?
...r this to work.)
You could also add a simple Router
<?php
// router.php
if (preg_match('/\.(?:png|jpg|jpeg|gif)$/', $_SERVER["REQUEST_URI"])) {
return false; // serve the requested resource as-is.
} else {
require_once('resolver.php');
}
?>
And then run the command
php -S 127.0.0....
How do you git show untracked files that do not exist in .gitignore
... can explicitly list what is being tracked and untracked as follows to see if Git is seeing and honoring your .gitignore. If you post your .gitignore contents, git status output, and dir or ls we can better assist you.
List ignored files
$ git ls-files . --ignored --exclude-standard --others
Lis...
How to line-break from css, without using ?
...mark-up there is - the <br /> element exists for a very good reason. If you want the line break because they are separate paragraphs, then simply mark them up as separate paragraphs.
– Rowland Shaw
Apr 24 '10 at 8:11
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What is ModelState.IsValid valid for in ASP.NET MVC in NerdDinner?
...
ModelState.IsValid tells you if any model errors have been added to ModelState.
The default model binder will add some errors for basic type conversion issues (for example, passing a non-number for something which is an "int"). You can populate ModelSta...