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Difference between WAIT and BLOCKED thread states
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82
A thread goes to wait state once it calls wait() on an Object. This is called Waiting State. O...
Detect if Android device has Internet connection
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182
You are right. The code you've provided only checks if there is a network connection.
The best ...
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
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428
For your needs, use ConcurrentHashMap. It allows concurrent modification of the Map from several...
PHP calculate age
...yyyy format; or it can be in other formats as well
$birthDate = "12/17/1983";
//explode the date to get month, day and year
$birthDate = explode("/", $birthDate);
//get age from date or birthdate
$age = (date("md", date("U", mktime(0, 0, 0, $birthDate[0], $birthDate[1], $birthDate[2]))) &g...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...;password=" + dbPassword + "&useUnicode=true&characterEncoding=UTF-8";
Make sure you don't have spaces in your string. All the connection string should be continues without any space characters.
Try to replace "localhost" with the loopback address 127.0.0.1.
Also try to add port number to...
How can I use Python to get the system hostname?
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81
And note that for the FQDN you can use socket.getfqdn()
– Dave Forgac
Feb 21 '13 at 19:55
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Is String.Format as efficient as StringBuilder
... StringBuilder builder = new StringBuilder(format.Length + (args.Length * 8));
builder.AppendFormat(provider, format, args);
return builder.ToString();
}
The above code is a snippet from mscorlib, so the question becomes "is StringBuilder.Append() faster than StringBuilder.AppendFormat()"...
Mercurial for Beginners: The Definitive Practical Guide
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answered Jul 23 '09 at 8:22
Joakim LundborgJoakim Lundborg
9,37066 gold badges2525 silver badges3939 bronze badges
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Removing an item from a select box
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TylerH
18.1k1212 gold badges6161 silver badges8080 bronze badges
answered Dec 17 '08 at 18:41
dsimarddsimard
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How can I make a div stick to the top of the screen once it's been scrolled to?
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edited Jan 15 '19 at 18:23
Michael Czechowski
2,6001414 silver badges4040 bronze badges
answered Aug...