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switch case statement error: case expressions must be constant expression
...instead of an if-else:
private enum LayoutElement {
NONE(-1),
PLAY_BUTTON(R.id.playbtn),
STOP_BUTTON(R.id.stopbtn),
MENU_BUTTON(R.id.btnmenu);
private static class _ {
static SparseArray<LayoutElement> elements = new SparseArray<LayoutElement>();
}
...
Cross-thread operation not valid: Control accessed from a thread other than the thread it was create
...olution you want then should look like:
UserContrl1_LOadDataMethod()
{
string name = "";
if(textbox1.InvokeRequired)
{
textbox1.Invoke(new MethodInvoker(delegate { name = textbox1.text; }));
}
if(name == "MyName")
{
// do whatever
}
}
Do your serious proc...
What is the difference between assert, expect and should in Chai?
... beverages = { tea: [ 'chai', 'matcha', 'oolong' ] };
assert.typeOf(foo, 'string'); // without optional message
assert.typeOf(foo, 'string', 'foo is a string'); // with optional message
assert.equal(foo, 'bar', 'foo equal `bar`');
assert.lengthOf(foo, 3, 'foo`s value has a length of 3');
assert.len...
Can two Java methods have same name with different return types? [duplicate]
...re are no parameters, then you must have different names.
int doSomething(String s);
String doSomething(int); // this is fine
int doSomething(String s);
String doSomething(String s); // this is not
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...
How do I define a method which takes a lambda as a parameter in Java 8?
...tion(int a, int b);
}
public class MyClass {
public static void main(String javalatte[]) {
// this is lambda expression
TwoArgInterface plusOperation = (a, b) -> a + b;
System.out.println("Sum of 10,34 : " + plusOperation.operation(10, 34));
}
}
Using Java fun...
Check whether a string contains a substring
How can I check whether a given string contains a certain substring, using Perl?
3 Answers
...
C# how to create a Guid value?
...
If you, like me, make the mistake of doing (new Guid().toString()) you will get 0000-00000-00000-00000. You need to do Guid.NewGuid().toString()
– Joao Carlos
Jan 3 '15 at 15:10
...
How can I grep hidden files?
....*) worked for me. The second approach (grep -r search .) did not find the string. I found similar results when omitting the "-r" and searching the top-level directory only. I'm using GNU grep 2.6.3.
– Alan
Feb 13 '14 at 16:25
...
Jackson serialization: ignore empty values (or null)
...aving some trouble ignoring fields when I'm converting an object to a JSON string.
8 Answers
...
Print content of JavaScript object? [duplicate]
...s will give you very nice output with indented JSON object:
alert(JSON.stringify(YOUR_OBJECT_HERE, null, 4));
The second argument alters the contents of the string before returning it. The third argument specifies how many spaces to use as white space for readability.
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