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What is the most accurate way to retrieve a user's correct IP address in PHP?
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We use:
/**
* Get the customer's IP address.
*
* @return string
*/
public function getIpAddress() {
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
return $_SERVER['HTTP_CLIENT_IP'];
} else if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode(',', $_SER...
jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
...properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I mean ( done in Chrome’s console ):
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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?
... character varying is used without
length specifier, the type accepts
strings of any size. The latter is a
PostgreSQL extension.
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How to initialize array to 0 in C?
...an there are elements or members of an aggregate, or fewer characters in a string literal used to initialize an array of known size than there are elements in the array, the remainder of the aggregate shall be initialized implicitly the same as objects that have static storage duration
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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
...ns for those who only have the reference to the unmodifiable view:
Map<String, String> realMap = new HashMap<String, String>();
realMap.put("A", "B");
Map<String, String> unmodifiableMap = Collections.unmodifiableMap(realMap);
// This is not possible: It would throw an
// Unsup...
How can I convert a hex string to a byte array? [duplicate]
Can we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
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Is there a way to call a stored procedure with Dapper?
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end
end
Code:
var parameters = new DynamicParameters();
string pass = EncrytDecry.Encrypt(objUL.Password);
conx.Open();
parameters.Add("@username", objUL.Username);
parameters.Add("@password", pass);
parameters.Add("@RESULT", dbType: DbType.Int32, direction: ParameterDirection.Ret...
How to find nth occurrence of character in a string?
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If your project already depends on Apache Commons you can use StringUtils.ordinalIndexOf, otherwise, here's an implementation:
public static int ordinalIndexOf(String str, String substr, int n) {
int pos = str.indexOf(substr);
while (--n > 0 && pos != -1)
pos...
Get Character value from KeyCode in JavaScript… then trim
...inputs?
$("input").bind("keyup",function(e){
var value = this.value + String.fromCharCode(e.keyCode);
});
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PHP: Storing 'objects' inside the $_SESSION
...on objects based on the ID the client submitted with the request. All this extra work is a double whammy on scalability (a big reason HTTP is stateless).
Whammy One: It reduces the work a single server can do.
Whammy Two: It makes it harder to scale out because now you can't just route a request t...