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How to establish a connection pool in JDBC?
... Object, reducing the Garbage collection load.
« Pooling [ Object pool, String Constant Pool, Thread Pool, Connection pool]
String Constant pool
String literal pool maintains only one copy of each distinct string value. which must be immutable.
When the intern method is invoked, it check objec...
Suppress warning CS1998: This async method lacks 'await'
...ter]
[MemoryDiagnoser]
public class BenchmarkAsyncNotAwaitInterface
{
string context = "text context";
[Benchmark]
public int CompletedAwait()
{
var t = new CompletedAwaitTest();
var a = t.DoAsync(context);
a.Wait();
return t.Length;
}
[Benchmark]
public int Completed()
{
v...
How do I encode/decode HTML entities in Ruby?
...
To encode the characters, you can use CGI.escapeHTML:
string = CGI.escapeHTML('test "escaping" <characters>')
To decode them, there is CGI.unescapeHTML:
CGI.unescapeHTML("test &quot;unescaping&quot; &lt;characters&gt;")
Of course, before that you need ...
fastest MD5 Implementation in JavaScript
...mple interface.
So if you want to calculate the MD5 hash of your password string then do as follows:
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/core.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/md5.js"></script&...
How do you get the current time of day?
...w.TimeOfDay gives it to you as a TimeSpan (from midnight).
DateTime.Now.ToString("h:mm:ss tt") gives it to you as a string.
DateTime reference: https://msdn.microsoft.com/en-us/library/system.datetime
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str performance in python
...ed that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
...
Asp.net - Add blank item at top of dropdownlist
...
After your databind:
drpList.Items.Insert(0, new ListItem(String.Empty, String.Empty));
drpList.SelectedIndex = 0;
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How do I check if a directory exists? “is_dir”, “file_exists” or both?
... exist and return canonicalized absolute pathname (long version)
* @param string $folder the path being checked.
* @return mixed returns the canonicalized absolute pathname on success otherwise FALSE is returned
*/
function folder_exist($folder)
{
// Get canonicalized absolute pathname
$p...
Using setImageDrawable dynamically to set image in an ImageView
I am generating a string from database dynamically which has the same name of image in drawable folder.
17 Answers
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Can you find all classes in a package using reflection?
...e simplest way to get the default package is having the prefix be an empty String -> "".
– JBA
Oct 17 '14 at 9:26
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