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Difference between Dictionary and Hashtable [duplicate]
... objHashTable.Add('A', 300); // char
objHashTable.Add("4", 400); // string
lblDisplay1.Text = objHashTable[1].ToString();
lblDisplay2.Text = objHashTable[2.99].ToString();
lblDisplay3.Text = objHashTable['A'].ToString();
lblDisplay4.Text = objHashTable["4"].ToString();
...
Converting string to Date and DateTime
If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot.
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Execution failed app:processDebugResources Android Studio
...etail?id=42752. The cause usually seems to be a reference to a nonexistent string in one of your menu resources.
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enum - getting value of enum on string conversion
...d a __str__ method to your enum, if all you wanted was to provide a custom string representation:
class D(Enum):
def __str__(self):
return str(self.value)
x = 1
y = 2
Demo:
>>> from enum import Enum
>>> class D(Enum):
... def __str__(self):
... ...
Find where java class is loaded from
...an example:
package foo;
public class Test
{
public static void main(String[] args)
{
ClassLoader loader = Test.class.getClassLoader();
System.out.println(loader.getResource("foo/Test.class"));
}
}
This printed out:
file:/C:/Users/Jon/Test/foo/Test.class
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Hidden Features of PHP? [closed]
...te a simple DSL for my view layer by just reading the PHP file, doing some string replacement and passing it trough eval(). Eg, I made it such that I can use short-tags whenever I choose to and do @->someVar so I can access view-level data.
– Jasper Bekkers
...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
3
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AttributeError(“'str' object has no attribute 'read'”)
...he response still doesn't have a read function. Are we supposed to put the string in some object with a read function?
– zakdances
Aug 11 '12 at 9:37
90
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Handling optional parameters in javascript
... == 2) { // if only two arguments were supplied
if (Object.prototype.toString.call(parameters) == "[object Function]") {
callback = parameters;
}
}
//...
}
You can also use the arguments object in this way:
function getData (/*id, parameters, callback*/) {
var id = arguments[...
Find size of object instance in bytes in c#
...e same, well-defined types. Those for which this isn't true are arrays and strings for sure, and I believe also StringBuilder. For them you'll have add the size of all contained elements to their base instance size.
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