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What does the servlet value signify
...s that this servlet should be loaded (instantiated
and have its
init() called) on the startup of the Web application. The element content of this
element must be an integer indicating the order in which the servlet should be
loaded. If the value is a negative integer, or the element is not p...
ASP.NET MVC: No parameterless constructor defined for this object
... same exception occurs when a Model has no parameterless constructor.
The call stack was figuring a method responsible for creating a new instance of a model.
System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType)
...
Convert JSON String to Pretty Print JSON output using Jackson
...apper.writerWithDefaultPrettyPrinter().writeValueAsString(json);
this avoids your having to define actual POJO to map data to.
Or you can use JsonNode (JSON Tree) as well.
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Java equivalent to C# extension methods
...shows its age here. Imagine you want to write a JSONObject to disk. Do you call jsonobj.writeToDisk() or someunrelatedclass.writeToDisk(jsonobj) ?
– woens
Oct 3 '14 at 21:32
...
What is the { get; set; } syntax in C#?
...
It's a so-called auto property, and is essentially a shorthand for the following (similar code will be generated by the compiler):
private string name;
public string Name
{
get
{
return this.name;
}
set
{
...
How can I load storyboard programmatically from class?
...ur storyboard go to the Attributes inspector and set the view controller's Identifier. You can then present that view controller using the following code.
UIStoryboard *sb = [UIStoryboard storyboardWithName:@"MainStoryboard" bundle:nil];
UIViewController *vc = [sb instantiateViewControllerWithIdent...
How do I parse command line arguments in Bash?
Say, I have a script that gets called with this line:
37 Answers
37
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How to access maven.build.timestamp for resource filtering
...it to something newer, fixed it for me, 3.x ex:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-resources-plugin</artifactId>
<version>3.1.0</version>
</plugin>
<properties><timestamp>... workaround is no lon...
Test if a string contains any of the strings from an array
...omparison strings. A primitive way to make it case insensitive would be to call toLowerCase() or toUpperCase() on both the input and test strings.
If you need to do anything more complicated than this, I would recommend looking at the Pattern and Matcher classes and learning how to do some regular e...
Difference in make_shared and normal shared_ptr in C++
... difference is that std::make_shared performs one heap-allocation, whereas calling the std::shared_ptr constructor performs two.
Where do the heap-allocations happen?
std::shared_ptr manages two entities:
the control block (stores meta data such as ref-counts, type-erased deleter, etc)
the objec...