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Create a .txt file if doesn't exist, and if it does append a new line
...
string path = @"E:\AppServ\Example.txt";
File.AppendAllLines(path, new [] { "The very first line!" });
See also File.AppendAllText(). AppendAllLines will add a newline to each line without having to put it there yourself.
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Why must wait() always be in synchronized block
...d look something along the lines below
class BlockingQueue {
Queue<String> buffer = new LinkedList<String>();
public void give(String data) {
buffer.add(data);
notify(); // Since someone may be waiting in take!
}
public String take() t...
Why 0 is true but false is 1 in the shell?
...it code of 0 (the result of /bin/true). Otherwise they evaluate as false.
Strings are evaluated differently than exit codes:
if [ 0 ] ; then echo not null ; fi
if [ $(echo 0) ] ; then echo not null ; fi
if [ -z "" ] ; then echo null ; fi
The (( )) arithmetic operator interprets 1 and 0 as true ...
Why does my Spring Boot App always shutdown immediately after starting?
...blic class SpringBootApacheKafkaApplication {
public static void main(String[] args) {
SpringApplication.run(SpringBootApacheKafkaApplication.class,args).close();
}
}
then just remove the close() method. That's fixed my problem! Maybe I can help someone with that
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How is a CRC32 checksum calculated?
... For CRC32 or CRC32b , do we get hash collision meaning for two different strings do we get same CRC
– indianwebdevil
May 18 at 2:42
1
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How to create a jQuery plugin with methods?
...the wrapping function) and check for an entry if the parameter passed is a string, reverting to a default method ("init" here) if the parameter is an object (or null).
Then you can call the methods like so...
$('div').tooltip(); // calls the init method
$('div').tooltip({ // calls the init method...
How to generate and validate a software license key?
...y and hash with (for example) SHA1
Unpack the SHA1 hash as an alphanumeric string. This is the individual user's "Product Key"
Within the program, do the same hash, and compare with the product key. If equal, OK.
But, I repeat: this won't prevent piracy
I have recently read that this approach ...
Receive JSON POST with PHP
... but it isn't in the json.
EDIT
Maybe also worth trying to echo the json string from php://input.
echo file_get_contents('php://input');
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Ignoring a class property in Entity Framework 4.1 Code First
...public class Customer
{
public int CustomerID { set; get; }
public string FirstName { set; get; }
public string LastName{ set; get; }
[NotMapped]
public int Age { set; get; }
}
[NotMapped] attribute is included in the System.ComponentModel.DataAnnotations namespace.
You can al...
Array slices in C#
...raySegment<T>. It's very light-weight as it doesn't copy the array:
string[] a = { "one", "two", "three", "four", "five" };
var segment = new ArraySegment<string>( a, 1, 2 );
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