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Hidden Features of Java
After reading Hidden Features of C# I wondered, What are some of the hidden features of Java?
100 Answers
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AsyncTask Android example
I was reading about AsyncTask , and I tried the simple program below. But it does not seem to work. How can I make it work?
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How to determine total number of open/active connections in ms sql server 2005
...ay to do this is using the 'using' statement:
// Execute stored proc to read data from repository
using (SqlConnection conn = new SqlConnection(this.connectionString))
{
using (SqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "LoadFromRepository";
cmd.CommandType...
C++ : why bool is 8 bits long?
...ble. You cannot address a single bit, without shifting or masking the byte read from memory. I would imagine this is a very large reason.
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Generating HTML email body in C#
... bit clunky to use and some developers like the markup itself to be easily read but perversly HtmlTextWriter's choices with regard indentation is a bit wierd.
In this example you can also use XmlTextWriter quite effectively:-
writer = new StringWriter();
XmlTextWriter xml = new XmlTextWriter(write...
How can I convert the “arguments” object to an array in JavaScript?
...ument.body.innerHTML = sortArgs(12, 4, 6, 8).toString();
As you can read in the link
The rest parameter syntax allows us to represent an indefinite number of arguments as an array.
If you are curious about the ... syntax, it is called Spread Operator and you can read more here.
ES6 usi...
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
.../statistics";
my %stats = do {
opendir +(my $dh), $dir;
local @_ = readdir $dh;
closedir $dh;
map +($_, []), grep !/^\.\.?$/, @_;
};
if (-t STDOUT) {
while (1) {
print "\033[H\033[J", run();
my ($time, $us) = gettimeofday();
my ($sec, $min, $hour) = local...
What are '$$' used for in PL/pgSQL
...Insert text with single quotes in PostgreSQL
As to your second question:
Read the most excellent manual on CREATE FUNCTION to understand the last line of your example.
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How can you escape the @ character in javadoc?
...**
* This is an "at" symbol: {@literal @}
*/
The javadoc for this will read:
This is an "at" symbol: @
Of course, this will work for any characters, and is the "officially supported" way of displaying any "special" characters.
It is also the most straighforward - you don't need to know the h...
How to best display in Terminal a MySQL SELECT returning too many fields?
...edited Mar 12 '19 at 16:38
CODE-REaD
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answered May 29 '09 at 7:16
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