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How does Java Garbage Collection work with Circular References?
... live even longer.
Nonetheless, the basic idea remains the same: it's all based on starting from some root set of things that it takes for granted could still be used, and then chasing all the pointers to find what else could be in use.
Interesting aside: may people are often surprised by the degr...
Reasons for using the set.seed function
...ackage allows you to set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Gre...
How to remove all .svn directories from my application directories
... By running the second command including ls, I get entries prop-base props text-base tmp output...
– Rasoul
Oct 26 '15 at 16:37
|
...
DbEntityValidationException - How can I easily tell what caused the error?
... override int SaveChanges()
{
try
{
return base.SaveChanges();
}
catch (DbEntityValidationException ex)
{
// Retrieve the error messages as a list of strings.
var errorMessages = ex.EntityValidationErrors
...
Store pictures as files or in the database for a web app?
...
Store the pictures on the file system and picture locations in the database.
Why? Because...
You will be able to serve the pictures as static files.
No database access or application code will be required to fetch the pictures.
The images could be served from a different server to improve p...
How to draw rounded rectangle in Android UI?
...xtView
{
public CustomeView (Context context, IAttributeSet ) : base (context, attrs)
{
}
public CustomeView(Context context, IAttributeSet attrs, int defStyle) : base(context, attrs, defStyle)
{
}
protected override void OnDraw(Androi...
Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...e. I suppose the main point is that the HTML element shouldn't be selected based on its default presentation appearance, but rather its significance to the structure of the document.
– crush
Sep 3 '14 at 13:08
...
What are C++ functors and their uses?
...other function object type during runtime (at least unless it extends some base class, which therefore gives some overhead)
Used instead of virtual function:
Features:
Function object (non-virtual) doesn't require vtable and runtime dispatching, thus it is more efficient in most cases
Cons:...
difference between socket programming and Http programming
...systems together, an IP address is the address of the
machine over an IP based network.
With socket connection you can design your own protocol for network connection between two systems.
With Socket connection you need to take care of all the lower-level details of a TCP/IP connection.
...
Why does CSS not support negative padding?
...style="width:100%;height:auto;" >
This DIV's height will change based the width of the screen.
</div>
</div>
With the following CSS, we would be able to vertically center the content of the inner div within the outer div:
.vertical-align {
position: absolute;
to...