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In Rails, how do you render JSON using a view?
...le quotes to double quotes, as JSON (unlike JS) only accepts double-quoted strings.
– Abe Voelker
Jan 20 '12 at 20:27
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Java string split with “.” (dot) [duplicate]
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You need to escape the dot if you want to split on a literal dot:
String extensionRemoved = filename.split("\\.")[0];
Otherwise you are splitting on the regex ., which means "any character".
Note the double backslash needed to create a single backslash in the regex.
You're getting an A...
Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...lso often superior to RAII when dealing with shared immutable objects like strings which often have no clear owner and require no cleanup. It's unfortunate that more frameworks don't seek to combine GC and RAII, since most applications will have a mix of immutable objects (where GC would be best) a...
What HTTP status response code should I use if the request is missing a required parameter?
...med xml is an example of bad syntax (calling for a 400). A malformed query string seems analogous to this, so 400 doesn't seem appropriate for a well-formed query-string which is missing a param.
UPDATE @DavidV correctly points out that this spec is for WebDAV, not core HTTP. But some popular non-W...
Understand the “Decorator Pattern” with a real world example
...ita();
Console.WriteLine("Plain Margherita: " + pizza.GetPrice().ToString());
ExtraCheeseTopping moreCheese = new ExtraCheeseTopping(pizza);
ExtraCheeseTopping someMoreCheese = new ExtraCheeseTopping(moreCheese);
Console.WriteLine("Plain Margherita with double extra ...
String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
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How to wait for 2 seconds?
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The documentation for WAITFOR() doesn't explicitly lay out the required string format.
This will wait for 2 seconds:
WAITFOR DELAY '00:00:02';
The format is hh:mi:ss.mmm.
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Remove final character from string [duplicate]
Let's say my string is 10 characters long.
2 Answers
2
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Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
..., row-size and caching if a datetime value is a 64bit integer vs. a 20byte string
– Falco
Aug 27 at 9:59
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How do I filter ForeignKey choices in a Django ModelForm?
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form = ClientForm(the_company,request.POST) #<-- Note the extra arg
if form.is_valid():
form.save()
return HttpResponseRedirect(the_company.get_clients_url())
else:
form = ClientForm(the_company)
return render_...