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How to check internet access on Android? InetAddress never times out
... have a remote glue about internet access, without this permission?)
Extra: One-shot AsyncTask Example
class InternetCheck extends AsyncTask<Void,Void,Boolean> {
private Consumer mConsumer;
public interface Consumer { void accept(Boolean internet); }
public InternetCheck...
Advantages of using display:inline-block vs float:left in CSS
... using it for a grid, or don't want this white space, you will have to add extra styling/HTML hacks to account for this. See: css-tricks.com/fighting-the-space-between-inline-block-elements/…
– kretzm
Sep 10 '14 at 15:06
...
How to stop a goroutine
...ng items on the chan, you close it. Then inside your goroutine you get an extra parameter to the receive operator that shows whether the channel has been closed.
Here is a complete example (the waitgroup is used to make sure that the process continues until the goroutine completes):
package main
...
Add Text on Image using PIL
...55,255),font=font)
img.save('sample-out.jpg')
You might need to put some extra effort to calculate font size. In case you want to change it based on amount of text user has provided in TextArea.
To add text wrapping (Multiline thing) just take a rough idea of how many characters can come in one l...
Stop the 'Ding' when pressing Enter
...xtBox1_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Enter)
{
e.Handled = true;
button1.PerformClick();
}
}
and say peace to the 'Ding'
s...
Why is sizeof considered an operator?
...operator rather than a function. For instance:
union foo {
int i;
char c[sizeof(int)];
};
Syntactically if it weren't an operator then it would have to be a preprocessor macro since functions can't take types as arguments. That would be a difficult macro to implement since sizeof can take...
iOS 7: UITableView shows under status bar
...eck "Shows Navigation Bar" in the inspector. This solves the issue with no extra tweaking needed, and it also preserves your UITableViewController's scene in the storyboard.
Using AutoLayout and embedding the UITableView into another view (I believe this is how Apple wants us to do this):
Create an ...
PHP function to get the subdomain of a URL
...rk in almost all cases, be aware that domains names might have more than 6 chars, like pvt.k12.ma.us, health.vn or even k12.ak.us. Also, domains names may be use Chinese or Russian character set so the regex part [a-z\.]{2,6} would not match them. Check out here to have example domains name: publics...
Why Java needs Serializable interface?
...e annoyance when dealing with pure java, like some flaws in collection and string processing in standard library. Happily there's Kryo, but it is dependency and one needs to find it first. This is how built-in serialization should have been done.
– dmitry
Aug 7...
What is the difference between and ? [duplicate]
...amic or static please can you help me here thanks or it will be treated as string ${someVar}
– shareef
Dec 8 '14 at 13:32
...