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What is the difference between JSF, Servlet and JSP?
...e <c:forEach> tag is from JSTL. See also stackoverflow.com/tags/jstl/info
– BalusC
Sep 29 '12 at 11:22
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Should switch statements always contain a default clause?
...hen, if the value is outside this set of possible values, you'd want to be informed of it - it's certainly an error.
That's the reason why you should always use a default clause and throw an error, for example in Java:
switch (myVar) {
case 1: ......; break;
case 2: ......; break;
defaul...
How can I check that a form field is prefilled correctly using capybara?
...e='John']")
See http://www.w3schools.com/xpath/xpath_syntax.asp for more info.
For perhaps a prettier way:
expect(find_field('Your name').value).to eq 'John'
EDIT: Nowadays I'd probably use have_selector
expect(page).to have_selector("input[value='John']")
If you are using the page object p...
What is the difference between currying and partial application?
...
@Jon links you posted are informative, but it will be better to expand your answer and add some more info here.
– Zaheer Ahmed
Oct 28 '14 at 7:29
...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
... described in the official Mysql Documentation.
If your script needs to be informed, if some records have not been added (due to key violations) you have to call mysql_info() and parse it for the "Duplicates" value.
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What’s the best RESTful method to return total number of items in an object?
...uding in the response also the total number of records, and other relevant info, like the page size, the page number/offset, etc.
The StackOverflow API is a good example of that same design. Here's the documentation for the Users method - https://api.stackexchange.com/docs/users
...
How to import other Python files?
...odule A.py, you used the syntax import package_name.module_name.
For more info on packages and modules, consult this link.
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How to move columns in a MySQL table?
...ou need to include those as well. Consult the docs on ALTER TABLE for more info.
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Django: Why do some model fields clash with each other?
...e values
for the attributes (including
related_name) each time.
More info here.
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Using Sinatra for larger projects via multiple files
...als
def spoof_request(uri,env_modifications={})
call(env.merge("PATH_INFO" => uri).merge(env_modifications)).last.join
end
def partial( page, variables={} )
haml page, {layout:false}, variables
end
end
helpers/nicebytes.rb
# encoding: utf-8
module NiceBytes
K = 2.0**10
...