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Boolean Field in Oracle
...be noted that pl/sql has a boolean type, it is only tables that do not.
If you are using the field to indicate whether the record needs to be processed or not you might consider using Y and NULL as the values. This makes for a very small (read fast) index that takes very little space.
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How to use Session attributes in Spring-mvc
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If you want to delete object after each response you don't need session,
If you want keep object during user session ,
There are some ways:
directly add one attribute to session:
@RequestMapping(method = RequestMethod.GET...
How do I handle the window close event in Tkinter?
...s tk
from tkinter import messagebox
root = tk.Tk()
def on_closing():
if messagebox.askokcancel("Quit", "Do you want to quit?"):
root.destroy()
root.protocol("WM_DELETE_WINDOW", on_closing)
root.mainloop()
sha...
How would you compare jQuery objects?
So I'm trying to figure out how to compare two jQuery objects, to see if the parent element is the body of a page.
4 Answer...
What does “Object reference not set to an instance of an object” mean? [duplicate]
...e primitives such as integers and booleans or structures (and can be identified because they inherit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared, do not have a default value:
class ExampleClass
{
}...
Can I call a base class's virtual function if I'm overriding it?
...s perfectly normal to do this, though it might depend on your actual class if it is actually useful. Only call the base class method if does something you want to happen ;).
– sth
Feb 2 '11 at 15:13
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How do I discard unstaged changes in Git?
...-index --include-untracked
You don't need to include --include-untracked if you don't want to be thorough about it.
After that, you can drop that stash with a git stash drop command if you like.
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How to disable right-click context-menu in JavaScript [duplicate]
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If you don't care about alerting the user with a message every time they try to right click, try adding this to your body tag
<body oncontextmenu="return false;">
This will block all access to the context menu (not j...
How to export revision history from mercurial or git to cvs?
...hinking of using git or mercurial but we could use another distributed vcs if it could make the export easier.
3 Answers
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Interview questions: WPF Developer [closed]
...estions, just see what their code is like after a couple of hours (or more if the task is longer).
I have had a zero failure rate on making a hiring descision based on the results of an actual real life programming test.
The task doesn't have to be too difficult. I've used a simple message of the ...