I am a newbie in Kotlin, sorry for the silly question.
Inside a bundle from a StatusBarNotification object I have found an array of CharSequence, or at least I think that the type is that one. In the image you can see a screenshot which shows the output that I get when I evaluate the variable from within a breakpoint (in Android Studio "Debug" window->Evaluate).
I have tried accessing .javaClass.kotlin but I get an error so I am not sure about the type, is it an array of CharSequence?
Nevertheless, I am trying to join those strings that you see in the image into a single string. I have tried calling .toString, but it does not work, and I have tried a bunch of other methods to join elements from "iterable variables", but with poor luck.
Any help is appreciated.
Let's say I'm using gdscript static typing and for one function parameter I don't know in advance what I'm going to get. That's what typing.Any is for in python. How do I do it with gdscript?
It seems that Variant is not a valid type and I'm not sure about using Object for that purpose (since it could be a built-in)
edit
Leaving the type blank obviously works, but the docs has a specific section called typed-or-dynamic-stick-to-one-style, and since we're already kinda short on good practices using gdscript I'd rather find another way
Any idea?
As of Godot 3.2, GDScript does not feature a Variant or any type hint yet. However, you can still use the Object type hint if you expect a variable to hold any object (or null, as Object is nullable by design). Object may not hold primitive types like int or bool though.
Therefore, you should just leave out the type hint for now.
I am a bit confused by what I see and hence headed over to SO.
I am developing a BizTalk (2010) Orchestration and I am wanting to parse an incoming XML message. I just need to retrieve then number of times a particular node is repeating. I could have used XPath. But, I chose to use LinqToXml.
I have created a variable of type System.Xml.Linq.XNamespace and inside an expression shape, I am assignning it a string value.. say http://mycompany/v1.0. This is a perfectly valid C# statment, as there is an implicit conversion from String to XNamespace (MSDN link).
But the Orchestration will not compile at all. I get this error cannot implicitly convert type System.String to System.Xml.Linq.XNamespace.
And if I dont use the XNamespace variable and directly run LinqToXml on the incoming message like this
MessageCount = MyXElement.Elements("{http://mycompany/v1.0}ListOfNotifications").Elements("{http://mycompany/v1.0}Notification").Count();
I get a cannot convert from String to XName error. Even this is confusing.
I am using BizTalk 2010 and C# 4.0. Can someone explain if I am missing something? I have tried all these code snippets using LinqPad and I get the expected response. So, there are no typos or missing references.
I opted to use the XPath option to retrieve the values that I needed, instead of using LinqToXml. The code that I ended up writing looks like below:
xpath(myOrchVariable, "string(/*[local-name()='InputRootNode' and namespace-uri()='http://my/name/space'])")
Does Anybody can explain this:
How does it possible to throw exception when parsing "55.01"? I use multithreading.
--edit--
but... sometimes it works
This realy make me sad ;(
i use .NET 4.0 and VS2010.
--edit 2---
Ok, I made a little progress. When I do not use multithreading everything works perfect. But when I use multithreading (probably)one of a thread throw FormatException in place which is shown in the picture.
It's possible the system is set for some culture that expects a comma as the decimal point.
From http://msdn.microsoft.com/en-us/library/fd84bdyt.aspx:
The s parameter is interpreted using the formatting information in a NumberFormatInfo object that is initialized for the current thread culture. For more information, see CurrentInfo. To parse a string using the formatting information of some other culture, call the Double.Parse(String, IFormatProvider) or Double.Parse(String, NumberStyles, IFormatProvider) method.
This question already has answers here:
mysqli bind_param() expected to be a reference, value given
(3 answers)
Closed 12 months ago.
Ok, this is a weird problem, so please bear with me as I explain.
We upgraded our dev servers from PHP 5.2.5 to 5.3.1.
Loading up our code after the switch, we start getting errors like:
Warning: Parameter 2 to mysqli_stmt::bind_param() expected to be a reference, value given in /home/spot/trunk/system/core/Database.class.php on line 105
the line mentioned (105) is as follows:
call_user_func_array(Array($stmt, 'bind_param'), $passArray);
we changed the line to the following:
call_user_func_array(Array($stmt, 'bind_param'), &$passArray);
at this point (because allow_call_time_pass_reference) is turned off, php throws this:
Deprecated: Call-time pass-by-reference has been deprecated in /home/spot/trunk/system/core/Database.class.php on line 105
After trying to fix this for some time, I broke down and set allow_call_time_pass_reference to on.
That got rid of the Deprecated warning, but now the Warning: Parameter 2 to mysqli_stmt::bind_param() expected to be a reference warning is throwing every time, with or without the referencing.
I have zero clue how to fix this. If the target method was my own, I would just reference the incoming vars in the func declaration, but it's a (relatively) native method (mysqli).
Has anyone experienced this? How can I get around it?
Thank you.
I just experienced this same problem, calling bind_param via call_user_func_array and passing an array of parameters. The solution is to modify the values in the array to be referenced. It's not elegant but it works.
call_user_func_array(array($stmt, 'bind_param'), makeValuesReferenced($passArray));
function makeValuesReferenced($arr){
$refs = array();
foreach($arr as $key => $value)
$refs[$key] = &$arr[$key];
return $refs;
}
You are passing an array of elements ($passArray). The second item inside the passed array needs to be a reference, since that is really the list of items you are passing to the function.
Actually, be aware that there is a bug with PHP 5.3.1 concerning references and all call family of functions:
PHP Bugs #50394: Reference argument converted to value in __call
The behavior you are seeing might be a result of this bug and any attempt to fix it code wise may cause problems in the long run.
The problem has been fixed in the SVN version of PHP. Until 5.3.2 is released, you may compile a new version for use, or downgrade to an earlier version.
We were experiencing this same problem with this code:
call_user_func(array($strCartHandler, 'CartPurchaseEvent'), $strCartEvent, $objToUser, null, $this);
My solution was to just skip call_user_func altogether and do this:
$strCartHandler::CartPurchaseEvent($strCartEvent, $objToUser, null, $this);
I think what is deprecated is passing a reference through a function. In the function definition you do something like:
function(&$arg) {
}
This doesn't help you much but you probably need not pass the reference anyway. I guess you could try a wrapper function.
function wrapper($stmt, &$passArray) {
call_user_func_array($stmt, $passArray);
}
I think the mysqli_bind_param() and mysqli_bind_result() functions are very awkward to use. I've encountered the same difficulty as you describe using them in combination with call_user_func_array()
My workaround was to stop using mysqli and instead use PDO_mysql. It has a much easier usage:
$pdoStmt->execute( $passArray );
This will helps:
<?php
call_user_func_array(Array($stmt, 'bind_param'), array(&$passArray));
function bind_param ($val)
{
$val = (is_array($val)) ? $val[0] : $val;
// operations...
}
?>
The second paramer Must be an array. apparently this was only enforced in 5.3
I've got a similar problem, the current code didnt work:
$query="Select id,name FROM mytable LIMIT ?,?";
$params=Array('ii');
array_push($params,$from_var);
array_push($params,$to_var);
...
$stmt=$link->prepare("$query");
$ref=new ReflectionClass('mysqli_stmt');
$method=$ref->getMethod("bind_param");
$method->invokeArgs($stmt,$params);
...
It told that "Parameter 2 to mysqli_stmt::bind_param() expected to be a reference, value given"
And then, in despair, I've tried to take $from_var and $to_var in quotes. And it worked!
$params=Array('ii');
array_push($params,"$from_var");
array_push($params,"$to_var");
Hope, it will help somebody, good luck :)