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Is it possible to set private property via reflection?
...is returned</param>
/// <param name="propName">Propertyname as string.</param>
/// <returns>PropertyValue</returns>
public static T GetPrivatePropertyValue<T>(this object obj, string propName)
{
if (obj == null) throw new ArgumentNullException("obj");
Prop...
Java system properties and environment variables
...e=value syntax. They can also be added at runtime
using System.setProperty(String key, String value) or via the various
System.getProperties().load() methods.
To get a specific system property you can use System.getProperty(String key) or System.getProperty(String key, String def).
Environment varia...
Java: Class.this
.../ Prints "An anonymous Runnable"
System.out.println(this.toString());
// Prints "A LocalScreen object"
System.out.println(LocalScreen.this.toString());
// Won't compile! 'this' is a Runnable!
...
Spring Boot JPA - configuring auto reconnect
...o have any effect, the validationQuery parameter must be set to a non-null string.
– Rick
Jun 23 '15 at 2:53
...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...
The Big Picture
There are two issues at play here:
Integer getInteger(String) doesn't do what you think it does
It returns null in this case
the assignment from Integer to int causes auto-unboxing
Since the Integer is null, NullPointerException is thrown
To parse (String) "123" to (int)...
Why no generics in Go?
...s.md.
For example, the PrintSlice function receives a slice of integers or strings and prints it. See https://www.jetbrains.com/help/go/how-to-use-type-parameters-for-generic-programming.html.
package main
import "fmt"
func PrintSlice(type T)(s []T) {
for _, v := range s {
fmt.Print(v...
What exactly does git's “rebase --preserve-merges” do (and why?)
...e has to define what it means to replay a merge commit, and deal with some extra wrinkles
The most interesting part, conceptually, is perhaps in picking what the new commit's merge parents should be.
Replaying merge commits also require explicitly checking out particular commits (git checkout <...
Android JSONObject - How can I loop through a flat JSON object to get each key and value
... to iterate over all the properties, and call get() for each.
Iterator<String> iter = json.keys();
while (iter.hasNext()) {
String key = iter.next();
try {
Object value = json.get(key);
} catch (JSONException e) {
// Something went wrong!
}
}
...
How to change position of Toast in Android?
... will fix it:
Toast toast= Toast.makeText(getApplicationContext(),
"Your string here", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.TOP|Gravity.CENTER_HORIZONTAL, 0, 0);
toast.show();
share
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...
Using Spring MVC Test to unit test multipart POST request
...eUpload is deprecated, you'll want to use MockMvcRequestBuilders#multipart(String, Object...) which returns a MockMultipartHttpServletRequestBuilder. Then chain a bunch of file(MockMultipartFile) calls.
Here's a working example. Given a @Controller
@Controller
public class NewController {
@Re...