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Read/write to Windows registry using Java
...tatic final int KEY_READ = 0x20019;
private static final Preferences userRoot = Preferences.userRoot();
private static final Preferences systemRoot = Preferences.systemRoot();
private static final Class<? extends Preferences> userClass = userRoot.getClass();
private static final Method...
How to change context root of a dynamic web project in Eclipse?
...In your project's Properties, choose Web Project Settings.
Change Context root to app.
Choose Window > Show View > Servers.
Stop the server by either clicking the red square box ("Stop the server" tooltip) or context-click on the server listing to choose "Stop".
On the server you want to ...
Add a prefix to all Flask routes
... container (anything that speaks WSGI will do) and to set your APPLICATION_ROOT config value to your prefix:
app.config["APPLICATION_ROOT"] = "/abc/123"
@app.route("/")
def index():
return "The URL for this page is {}".format(url_for("index"))
# Will return "The URL for this page is /abc/123/...
Useful GCC flags for C
...rning.
-Waggregate-return: warn if any functions that return structures or unions are defined or called.
-Wcast-qual: warn whenever a pointer is cast to remove a type qualifier from the target type*.
-Wswitch-default: warn whenever a switch statement does not have a default case*.
-Wswitch-enum: war...
How to return a value from a Form in C#?
...nly a date is needed
//but normally I include optional data (as if a C UNION type)
//the form that responds to the event decides if
//the data is for it.
public DateTime date { get; set; }
//CI_STOCKIN
public StockClass inStock { get; set; }
}
Then use the delegate within ...
What is the difference between a Docker image and a container?
...use boot2docker on Windows). Why do we create images for applications, say mysql? At this point, how is mysql even running? Don't I need to have a Linux image to run mysql on top of?
– Kenny Worden
Feb 17 '15 at 16:41
...
How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
...urn intermediate concatenations that will be
-- filtered out later on
UNION ALL
SELECT
c.VehicleID,
(c.Cities + ', ' + l.City) Cities,
l.Rank
FROM
Concatenations c -- this is a recursion!
INNER JOIN RankedLocations l ON
l.VehicleID = c.VehicleID
AND l.R...
How to store decimal values in SQL Server?
...
In MySQL DB decimal(4,2) allows entering only a total of 4 digits. As you see in decimal(4,2), it means you can enter a total of 4 digits out of which two digits are meant for keeping after the decimal point.
So, if you enter 1...
How to implement a tree data-structure in Java? [closed]
...
Here:
public class Tree<T> {
private Node<T> root;
public Tree(T rootData) {
root = new Node<T>();
root.data = rootData;
root.children = new ArrayList<Node<T>>();
}
public static class Node<T> {
priva...
Postgres: INSERT if does not exist already
...le in Postgres:
INSERT INTO person (name)
SELECT name FROM person
UNION
VALUES ('Bob')
EXCEPT
SELECT name FROM person;
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