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How to perform file system scanning
..."fmt"
)
func visit(path string, f os.FileInfo, err error) error {
fmt.Printf("Visited: %s\n", path)
return nil
}
func main() {
flag.Parse()
root := flag.Arg(0)
err := filepath.Walk(root, visit)
fmt.Printf("filepath.Walk() returned %v\n", err)
}
Please note that filepath.Walk walks ...
git replacing LF with CRLF
...ut something, all text files automatically will have their LF line endings converted to CRLF endings. This allows development of a project across platforms that use different line-ending styles without commits being very noisy because each editor changes the line ending style as the line ending sty...
Best practices for in-app database migration for Sqlite
...
I maintain an application that periodically needs to update a sqlite database and migrate old databases to the new schema and here's what I do:
For tracking the database version, I use the built in user-version variable that sql...
How to detect the swipe left or Right in Android?
...ctivity class add following attributes:
private float x1,x2;
static final int MIN_DISTANCE = 150;
and override onTouchEvent() method:
@Override
public boolean onTouchEvent(MotionEvent event)
{
switch(event.getAction())
{
case MotionEvent.ACTION_DOWN:
x1 = event.getX(...
PostgreSQL delete all content
...s an example there are three tables:
create table customers (
customer_id int not null,
name varchar(20),
surname varchar(30),
constraint pk_customer primary key (customer_id)
);
create table orders (
order_id int not null,
number int not null,
customer_id int not null,
constraint pk_order primary...
How to handle code when app is killed by swiping in android?
...be fired only if stopWithTask is set to false).
public void onTaskRemoved(Intent rootIntent) {
//unregister listeners
//do any other cleanup if required
//stop service
stopSelf();
}
Refer my question for more details, which contains other part of code, too.
Hope this helps.
...
Comparing date part only without comparing time in JavaScript
...one when you create, you now need to be sure to keep timezone out when you convert back to a string representation. So you can safely use...
toISOString()
getUTCxxx()
getTime() //returns a number with no time or timezone.
.toLocaleDateString("fr",{timeZone:"UTC"}) // whatever locale you want, but A...
What is unit testing and how do you do it? [duplicate]
...
Unit testing involves breaking your program into pieces, and subjecting each piece to a series of tests.
Usually tests are run as separate programs, but the method of testing varies, depending on the language, and type of software (GUI, command-line, library).
Most ...
405 method not allowed Web API
...]
[ResponseType(typeof(Scan))]
public IHttpActionResult DeleteScan(int id)
{
Scan scan = db.Scans.Find(id);
if (scan == null)
{
return NotFound();
}
db.Scans.Remove(scan);
db.SaveChanges();
return Ok(scan);
}
...
How do I get SUM function in MySQL to return '0' if no values are found?
...ture):
SQL Fiddle
MySQL 5.5.32 Schema Setup:
CREATE TABLE foo
(
id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
val INT
);
INSERT INTO foo (val) VALUES
(null),(1),(null),(2),(null),(3),(null),(4),(null),(5),(null),(6),(null);
CREATE TABLE bar
(
id INT NOT NULL AUTO_INCREMENT PRIMARY K...