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Connect Java to a MySQL database
... Create a simple Java class with a main() method to test the connection.
String url = "jdbc:mysql://localhost:3306/javabase";
String username = "java";
String password = "password";
System.out.println("Connecting database...");
try (Connection connection = DriverManager.getConnection(url, userna...
Convert UTC date time to local date time
...
Append 'UTC' to the string before converting it to a date in javascript:
var date = new Date('6/29/2011 4:52:48 PM UTC');
date.toString() // "Wed Jun 29 2011 09:52:48 GMT-0700 (PDT)"
...
What is the difference between .text, .value, and .value2?
...
.Text gives you a string representing what is displayed on the screen for the cell. Using .Text is usually a bad idea because you could get ####
.Value2 gives you the underlying value of the cell (could be empty, string, error, number (double...
Regex not operator
Is there an NOT operator in Regexes?
Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)"
...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...of the class that you are trying to instantiate, PHP passes this name as a string to spl_autoload_register(), which allows you to pick up the variable and use it to "include" the appropriate class/file. As a result you don't specifically need to include that class via an include/require statement......
@RequestParam vs @PathVariable
...equest, the values for param1 and param2 can be accessed as below:
public String getDetails(
@RequestParam(value="param1", required=true) String param1,
@RequestParam(value="param2", required=false) String param2){
...
}
The following are the list of parameters supported by the @Reque...
Multiple commands in gdb separated by some sort of delimiter ';'?
...active if the command
# that invoked them is interactive.
# to_string is false. We just want to write the output of the commands, not capture it.
gdb.execute(fragment, from_tty=from_tty, to_string=False)
print()
Cmds()
end
example invocation:
$ gdb
(gdb) cmds echo hi ; e...
How to parse unix timestamp to time.Time
... not do Unix timestamps. Instead you can use strconv.ParseInt to parse the string to int64 and create the timestamp with time.Unix:
package main
import (
"fmt"
"time"
"strconv"
)
func main() {
i, err := strconv.ParseInt("1405544146", 10, 64)
if err != nil {
panic(err)
...
What's wrong with using $_REQUEST[]?
...en checking the content of the format parameter, it could be sent via querystring or a postdata, depending on a multitude of factors, not the least of which being whether or not the calling applications wants "&format=json" mixed in with its request. In this case, $_REQUEST is very convenient b...
How to profile methods in Scala?
... You can add a label to your prints with some currying: def time[R](label: String)(block: => R): R = { then add the label to the println
– Glenn 'devalias'
Jan 7 '17 at 23:52
...