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Which is better, return “ModelAndView” or “String” on spring3 controller
...ing allows you to do it either way.
Historically, the two approaches come from different versions of Spring. The ModelAndView approach was the primary way of returning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String return ...
How to do a LIKE query in Arel and Rails?
...if you only wanted a one-sided wildcard, there's nothing stopping the user from submitting a query value that includes % at both ends (I know that in practice, Rails prevents % from showing up in a query string, but it seems like there should be protection against this at the ActiveRecord level).
...
Drag and drop files into WPF
...otcha is that if you run VisualStudio as Admin - debug your app - and drag from FileExplorer as non admin the security context is different and no drag events will trigger. Costed me 30 minutes of life.
– Hans Karlsen
Mar 11 at 14:25
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When should I use require() and when to use define()?
...
From the require.js source code (line 1902):
/**
* The function that handles definitions of modules. Differs from
* require() in that a string for the module should be the first argument,
* and the function to execute aft...
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
...-urlencoded
multipart/form-data
text/plain
Any other Content-Types apart from those listed above will trigger a pre-flight request.
As for Headers, any Request Headers apart from the following will trigger a pre-flight request:
Accept
Accept-Language
Content-Language
Content-Type
DPR
Save-Data
...
Convert Json Array to normal Java list
...I've found useful where you don't need to use JSONArray to extract objects from JSONObject.
import org.json.simple.JSONObject;
import org.json.simple.JSONValue;
String jsonStr = "{\"types\":[1, 2]}";
JSONObject json = (JSONObject) JSONValue.parse(jsonStr);
List<Long> list = (List<Long>...
Upload files with HTTPWebrequest (multipart/form-data)
...DATE: Using .NET 4.5 (or .NET 4.0 by adding the Microsoft.Net.Http package from NuGet) this is possible without external code, extensions, and "low level" HTTP manipulation. Here is an example:
// Perform the equivalent of posting a form with a filename and two files, in HTML:
// <form action="{...
How to format numbers as currency string?
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Is this formatMoney function copied from some minified JavaScript code somewhere? Can you not post the original? What do the variables c, d, i, j, n, s, and t stand for? Judging by the amount of upvotes and comments this post has I can assume this code has been...
Remove the bottom divider of an android ListView
...4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced this on two devices (Nexus 5 and HTC One ...
When to wrap quotes around a shell variable?
...arr[idx]}", "${string:start:length}"
inside [[ ]] expression which is free from word splitting and globbing issues (this is a matter of style and opinions can vary widely)
where we want word splitting (for word in $words)
where we want globbing (for txtfile in *.txt; do ...)
where we want ~ to be in...