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Can you explain the concept of streams?
...r reading and writing bytes to its given backing store. But what is the point of the stream? Why isn't the backing store itself what we interact with?
...
'Operation is not valid due to the current state of the object' error during postback
...Somebody posted quite a few form fields to your page. The new default max introduced by the recent security update is 1000.
Try adding the following setting in your web.config's <appsettings> block. in this block you are maximizing the MaxHttpCollection values this will override the defaults...
Pointer arithmetic for void pointer in C
When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
How to forward declare a template class in namespace std?
...late params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it?
...
How to set the part of the text view is clickable
...verride
public void onClick(View textView) {
startActivity(new Intent(MyActivity.this, NextActivity.class));
}
@Override
public void updateDrawState(TextPaint ds) {
super.updateDrawState(ds);
ds.setUnderlineText(false);
}
};
ss.setSpan(clickableSpan, 22, 2...
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 ...
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.
...