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[Solved] how to make If statement and for loop work for an empty variable

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shouldn’t it be something like this? import urllib import argparse def download_web_image(url): IMAGE = url.rsplit(“https://stackoverflow.com/”,1)[1] urllib.urlretrieve(url, IMAGE) parser = argparse.ArgumentParser() parser.add_argument(“num1”) parser.add_argument(“num2”) parser.add_argument(“num3”) args = parser.parse_args() num3 = args.num3 if not num3: for num3 in range(01,50): download_web_image(“https://www.example.com/{num1}/{num2}/{num3}.jpg”.format(num1=args.num1, num2=args.num2, num3=num3)) else: download_web_image(“https://www.example.com/{num1}/{num2}/{num3}.jpg”.format(num1=args.num1, num2=args.num2, num3=num3)) your complete code is (sorry) a mess.. first you have to define … Read more

[Solved] Cannot read property of ‘…’ undefined [closed]

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In console.log(convertToHex()) your are not passing any parameter to convertToHex, and that function expects a parameter: function convertToHex(str) // ^^^ Now when you call that function like you did without passing an argument, str inside the function will be undefined. And thus, here: for(var i=0; i < str.length; i++) // ^^^^ undefined has no length. … Read more

[Solved] Undefined reference to functions in C++ [duplicate]

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Try to replace short RangeCheck(short word, short min, short max); char* prntword(short word); bool read(short *data, bool check); with short RangeCheck(short word, short min, short max){return 1;} char* prntword(short word){return 0;} bool read(short *data, bool check){return 0;} and it should compile for you (however it may not work as you expect) solved Undefined reference to … Read more

[Solved] Im getting Id returned 1 exit status [closed]

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Function declaration is not matched with function definition. Declaration: int ERPSGame(); Definition int ERPSGame(int argc, const char *argv[]) In Dev-C++, under Tools -> Compiler Options, put “-Wall” in the “…commands when calling compiler” box. It will be helpful for you to get warnings and do effective coding and saves your time too. 3 solved Im … Read more

[Solved] Objective-C Bug this class is not key value coding-compliant for the key dateAMPM [closed]

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Take a look at the storyboard. You still have the dateAMPM and the dateLabel outlets tied to the initial view controller. you actually have to right click on the first icon on the top and manually delete the connection (click on the cross), where the yellow warning sign displays. . solved Objective-C Bug this class … Read more

[Solved] Can’t find a fix for undefined in Javascript

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Qoutes = []; Qoutes[0] = “yolo”; Qoutes[1] = “swag”; Qoutes[2] = “vdsa”; Qoutes[3] = “yolo”; Qoutes[4] = “swag”; Qoutes[5] = “vdsa”; Qoutes[6] = “yolo”; Qoutes[7] = “swag”; Qoutes[8] = “vdsa”; Qoutes[9] = “yolo”; Qoutes[10] = “swag”; Qoutes[11] = “vdsa”; You need to place quotes around your strings, or else Javascript will assume that they are … Read more

[Solved] php errors – Notice: Undefined variable: iAccount_db in D:\iac\htdocs\datas\scripts\iAccount_core.inc.php on line 135 [closed]

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Ok, now that you posted some code, you’re defining $iAccount_db in the correct place, but you’re trying to access it when inside the scope of a funcion , while the variable is defined outside of it. Bad solution: make $iAccount_db global (not recommended) A variant to this would be to make those variable CONSTANTS, since … Read more

[Solved] How to defined a variable on PHP? [closed]

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Clearly from the error can be read that the current index you are using for the array doesn’t exist. $up_fonts[$font][‘style’] is not set. You haven’t defined your array enough. Check if the value exist with if (isset($up_fonts[$font][‘style’])): $stylesheet = $up_fonts[$font][‘style’]; endif; 2 solved How to defined a variable on PHP? [closed]