I'm trying to convert BSTR to float with:
wcstod(data, NULL)
The problem is that this function works ok if data = 239.78, but i receive them in this format data = 239,78.
CComBSTR data = SysAllocString(L"239,78");
cout<<wcstod(data,NUll)<<endl;
Output of this code is 239.
Anyone could help?
Thank you.
You should use wcstod_l instead and pass the locale you need as the 3rd argument, so the ',' is understood and parsed properly. Something like this:
_locale_t fr = _create_locale(LC_ALL, "fr-FR"); // french locale
CComBSTR data = SysAllocString(L"239,78");
cout<<wcstod_l(data, NULL, fr)<<endl;
Related
I try to save some data that it brings me from my view, which is a table, but I don't know why it throws me that error with the insert.
result of insert
this is my view:
table of view
this is my controller:
$checked_array = $_POST['id_version'];
foreach ($request['id_version'] as $key => $value) {
if (in_array($request['id_version'][$key], $checked_array))
{
$soft_instal = new Software_instalacion;
$soft_instal->id_instalacion = $instalaciones->id;
$soft_instal->id_historial = $historial->id;
$soft_instal->id_usuario = $request->id_usuario;
$soft_instal->id_version = $_POST['id_version'][$key];
$soft_instal->obs_software = $_POST['obs_software'][$key];
$soft_instal->id_tipo_venta = $_POST['id_tipo_venta'][$key];
$soft_instal->save();
}
}
id_tipo_venta seems to be an empty string which is apparently not valid.
You can try debugging what you get in :
var_dump($_POST['id_tipo_venta'][$key]);
die;
Your database field expects to receive an integer. Therefore, using the intval() function can solve your problem.
Indeed, I think your code returns an alphanumeric string.
Therefore, the code below will return 0 in all cases if no version is returned (not set, string or simply null):
$soft_instal->id_tipo_venta = intval($_POST['id_tipo_venta'][$key]);
On the other hand, intval() will always convert to int, so a decimal will be converted, example :
intval("1.1") // returns 1
intval("v1.1") // returns 0
If this is not the desired behavior, maybe you should think about changing your database type.
EDIT :
Of course, you can also set the value as null if you prefer to 0. You must allow nullable values in your database.
id_tipo_venta can not be empty, try with some number or change type column to varchar in the database
I have been looking for a solution everywhere on the internet but nowhere I can see a single script which lets me read the name of a variable as a string in Godot 3.1
What I want to do:
Save path names as variables.
Compare the name of the path variable as a string to the value of another string and print the path value.
Eg -
var Apple = "mypath/folder/apple.png"
var myArray = ["Apple", "Pear"]
Function that compares the Variable name as String to the String -
if (myArray[myposition] == **the required function that outputs variable name as String**(Apple) :
print (Apple) #this prints out the path.
Thanks in advance!
I think your approach here might be a little oversimplified for what you're trying to accomplish. It basically seems to work out to if (array[apple]) == apple then apple, which doesn't really solve a programmatic problem. More complexity seems required.
First, you might have a function to return all of your icon names, something like this.
func get_avatar_names():
var avatar_names = []
var folder_path = "res://my/path"
var avatar_dir = Directory.new()
avatar_dir.open(folder_path)
avatar_dir.list_dir_begin(true, true)
while true:
var avatar_file = avatar_dir.get_next()
if avatar_file == "":
break
else:
var avatar_name = avatar_file.trim_suffix(".png")
avatar_names.append(avatar_name)
return avatar_names
Then something like this back in the main function, where you have your list of names you care about at the moment, and for each name, check the list of avatar names, and if you have a match, reconstruct the path and do other work:
var some_names = ["Jim","Apple","Sally"]
var avatar_names = get_avatar_names()
for name in some_names:
if avatar_names.has(name):
var img_path = "res://my/path/" + name + ".png"
# load images, additional work, etc...
That's the approach I would take here, hope this makes sense and helps.
I think the current answer is best for the approach you desire, but the performance is pretty bad with string comparisons.
I would suggest adding an enumeration for efficient comparisons. unfortunately Godot does enums differently then this, it seems like your position is an int so we can define a dictionary like this to search for the index and print it out with the int value.
var fruits = {0:"Apple",1:"Pear"}
func myfunc():
var myposition = 0
if fruits.has(myposition):
print(fruits[myposition])
output: Apple
If your position was string based then an enum could be used with slightly less typing and different considerations.
reference: https://docs.godotengine.org/en/latest/tutorials/scripting/gdscript/gdscript_basics.html#enums
Can't you just use the str() function to convert any data type to stirng?
var = str(var)
It kinda works, but the problem is that it seems that the MIME_PART structure is not initialized ? all it's properties has the same values, even if I try to open a different mime item.
MIME_PART *pMime;
DHANDLE hPart;
char *pText;
WORD textLen;
if (error = NSFMimePartGetPart(bidLinksItem, &hPart)) {
goto exit;
}
pMime = OSLock(MIME_PART, hPart);
textLen = (pMime->wByteCount) - pMime->wHeadersLen - pMime->wBoundaryLen;
pText = (char *)pMime + sizeof(MIME_PART) + wHeadersLen;
char *itemText = (char *)malloc(textLen);
memcpy(itemText, pText, textLen);
itemText[textLen] = '\0';
OSUnlock(hPart);
The itemText string has most of the content, but since the MIME_PART structure is not properly set, the pointer to the text is off...
So how do I properly set the MIME_PART?
Your code should do something like this instead:
DHANDLE hPart;
char *pchPart;
if (error = NSFMimePartGetPart(bidLinksItem, &hPart)) {
goto exit;
}
pchPart = OSLock(char, hPart);
In other words, lock the handle as type char instead of type MIME_PART. At this point, pchPart points to the beginning of the raw part data -- starting with a boundary (if present) and the headers. You can use NSFMimePartGetInfoByBLOCKID to get the length of the boundary and headers.
I realize this contradicts the documentation, but I've confirmed with a subject matter expert: The documentation is wrong.
Wrong answer, but the comments may be useful. My other answer is more correct.
This question could be improved. For example, you could show some sample data and describe the results when you try to read that data with your code.
But I'll try to answer based on the information I have. You calculated the text length like this:
textLen = (pMime->wByteCount) - pMime->wHeadersLen - pMime->wBoundaryLen;
That looks right to me, but then you do this:
pText = (char *)pMime + sizeof(MIME_PART) + wHeadersLen;
Is wHeadersLen guaranteed to be equal to pMime->wHeadersLen? Also, you didn't consider the boundary length. Shouldn't you calculate the address like this instead?
pText = (char *)pMime + sizeof(MIME_PART) + pMime->wHeadersLen + pMime->wBoundaryLen;
I have a object that I want to print it into string [key1=value1&key2=value2...etc] without the null value key value pair and comma into &.
So first of all i think of putting it into a map but it won't work and I don know how it work either.
val wxPayOrderObj = WxPayOrder(appid = "wx0b6dcsad20b379f1", mch_id =
"1508334851", nonce_str = UUID.randomUUID().toString(),sign = null,
body = "QQTopUp", out_trade_no = "20150806125346", total_fee = req.total_fee,
spbill_create_ip = "123.12.12.123",
trade_type = "JSAPI", openid = "oUpF8uMuAJO_M2pxb1Q9zNjWeS6o")
so the output will be
appid=wx0b6dc78d20b379f1&mch_id=150788851&nonce_str=UUID.randomUUID().toString()&
body=QQTopUp&out_trade_no=20150806125346&total_fee=req.total_fee&
spbill_create_ip=123.12.12.123&trade_type=JSAPI&openid=oUpF8uMuAJO_M2pxb1Q9zNjWeS6o
anyone please help me, thanks in advances.
I don't really get your question, but you want to convert object to string (to a format that you want)?
Override the object's toString() to return "[key1=value1&key2=value2...etc]"
example
override fun toString(){
// make sure you compute the data first
val answer = "[key1=$value1&key2=$value2...etc]"
return answer
}
The $ is used in string templates (That's directly writing the name of a variable, the value will be used later to be concatenated) with other strings)
I was hoping someone can explain this default functionality regarding string interpolation and the enum type.
I have this enum:
public enum CommentType
{
MyComment = 24,
TheirComment = 25,
AnotherComment = 26
}
I am using it in a string:
Dim sDateModified As String
sDateModified = $"<div name='commenttype{CommentType.MyComment}'></div>"
I was expecting CommentType.MyComment to be evaluated and the int value 24 to be used. The result should be: <div name='commenttype24'></div>
But what actually happens is that the identifier is used instead, giving me: <div name='commenttypeMyComment'></div>
In order to get the enum value I had to convert it to an integer:
sDateModified = $"<div name='commenttype{Convert.ToInt32(CommentType.MyComment)}'></div>"
It just feels counter intuitive to me. Can someone explain or point me to documentation on why it works this way?
You're getting the string value MyComment because that's what is returned by:
CommentType.MyComment.ToString()
Methods like String.Format and Console.WriteLine will automatically call ToString() on anything that isn't already a string. The string interpolation syntax $"" is just syntactic sugar for String.Format, which is why string interpolation also behaves this way.
Your workaround is correct. For slightly more compact code, you could do:
CInt(CommentType.MyComment)
You just need to use a format string in the interpolated value to force the result to integer format.
Dim sDateModified As String
sDateModified = $"<div name='commenttype{CommentType.MyComment:D}'></div>"