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When should I use the Visitor Design Pattern? [closed]
... build and maintain the children list.]
class TreeNode( object ):
def __init__( self, name, *children ):
self.name= name
self.children= children
def visit( self, someVisitor ):
someVisitor.arrivedAt( self )
someVisitor.down()
for c in self.children:
...
How to get the full path of running process?
... wmiQueryString = "SELECT ProcessId, ExecutablePath, CommandLine FROM Win32_Process";
using (var searcher = new ManagementObjectSearcher(wmiQueryString))
using (var results = searcher.Get())
{
var query = from p in Process.GetProcesses()
join mo in results.Cast<ManagementObjec...
Accessing private member variables from prototype-defined functions
...ns they're going to be public. So we just stick to naming conventions for _private fields.
Don't bother mixing Closures with Prototypes
I think you shouldn't mix closure variables with prototype methods. You should use one or the other.
When you use a closure to access a private variable, pro...
How to repeat a “block” in a django template
...
Good solution. However, it is "use_macro". "usemacro" is wrong.
– Ramtin
Nov 28 '17 at 11:25
...
Using Enum values as String literals
...of enums:
public final class Modes {
public static final String MODE_1 = "Fancy Mode 1";
public static final String MODE_2 = "Fancy Mode 2";
public static final String MODE_3 = "Fancy Mode 3";
private Modes() { }
}
Option Four: interfaces have every field public, static and fin...
Adding external library into Qt Creator project
...your lib files in the project directory, you can reference them with the $$_PRO_FILE_PWD_ variable, e.g.:
LIBS += -L"$$_PRO_FILE_PWD_/3rdparty/libs/" -lpsapi
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What is the { get; set; } syntax in C#?
... a property with a backing field.
public class Genre
{
private string _name;
public string Name
{
get => _name;
set => _name = value;
}
}
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jQuery Validate Plugin - Trigger validation of single field
...e end so it looked for me $("#Form").data('validator').element('input[name=__Suburb]').valid(); I believe that if you do not select it by ID this might be required.
– Mihai P.
Jan 15 '15 at 0:10
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Finding the index of elements based on a condition using python list comprehension
...
filtered_ranges_and_angles = [(range, angle) for range, angle in zip(ranges, angles) if should_be_kept(range)]
– Mike Graham
Jul 21 '16 at 21:43
...
Correct Bash and shell script variable capitalization
...nt variables (PAGER, EDITOR, ...) and internal shell variables (SHELL, BASH_VERSION, ...) are capitalized. All other variable names should be lower case.
Remember that variable names are case-sensitive; this convention avoids accidentally overriding environmental and internal variables.
Keeping to...