[Solved] Advice on how to resolve this error.

[ad_1] A typical linked list structure is made of three parts The Data class Bunny { string name; // don’t use pointers unless you really, really need them int age; bool gender; string color; bool radioactive_bunny; public: string getGender(); // don’t need to know which Bunny anymore because // these functions are bound to a … Read more

[Solved] Best practise to handle Exception in thread “main” java.lang.NullPointerException from Bean class [duplicate]

[ad_1] The nullpointer exception basic reason is that you are calling a method or variable from null variable where with null variable I mean a variable which is currently not holding reference of any object. So, the easy way to avoid it is assign that variable a refernce on which subsequent tasks can be called … Read more

[Solved] How Can I Output a Remark Column with rowspan Without Duplicates for same group in Coldfusion (Re formated)

[ad_1] Please try the following: <!— pseudo query —> <cfscript> report = queryNew(“productTypeName,paintType,paintColor,paintCode,quantity,litreName”); queryAddRow(report, [[“Honey”,”Texture”,”Brilliant White”,1700,3,”20 litres”]]); queryAddRow(report, [[“Honey”,”Texture”,”Off White”,1701,8,”20 litres”]]); queryAddRow(report, [[“Magic”,”Texture”,”Off White”,1701,21,”20 litres”]]); queryAddRow(report, [[“Magic”,”Texture”,”Brilliant White”,1700,8,”20 litres”]]); queryAddRow(report, [[“Princess”,”Gloss”,”Brilliant White”,9102,9,”4 litres”]]); queryAddRow(report, [[“Princess”,”Texture”,”Rose Pink”,1712,3,”20 litres”]]); queryAddRow(report, [[“Princess”,”Texture”,”Ivory”,1704,1,”20 litres”]]); queryAddRow(report, [[“Princess”,”Texture”,”Off White”,1701,3,”20 litres”]]); queryAddRow(report, [[“Princess”,”Texture”,”Off White”,1701,3,”20 litres”]]); </cfscript> <!— add groupRowspan and groupTotalQuantity columns … Read more

[Solved] javascript replace \/ or /\ to single slash /

[ad_1] Because a backslash is used as an escape character, you’ll need to escape it: str = str.replace(“\\/”, “https://stackoverflow.com/”); The above replaces \/ with /. In general, anywhere you use a backslash in a string, you probably need to escape it. So, to replace /\ with /, you’d use: str = str.replace(“/\\”, “https://stackoverflow.com/”); These will, … Read more

[Solved] Adding to an arraylist from a website

[ad_1] If you don’t already have a list of rhyming words, you will just have to enter them all like that (or put them all in a config file of some kind and read that in), but either way you’re just typing them all in. What you are calling harvesting from rhymezone is called scraping. … Read more

[Solved] Stock images for web design [closed]

[ad_1] You are right that stock photos are a waste of money if you are building for personal projects, but there are plenty of free stock photo websites: http://deathtothestockphoto.com/ is a good choice Buy a template from websites like themeforest or wrapbootstrap (google them) or the free templates on bootstrap’s website: http://startbootstrap.com/. Start making things … Read more

[Solved] I need to create a Android activity that’s protected with a pin code [closed]

[ad_1] When Ok is pressed after the pin is entered you need to verify if the entered pin is the same as the saved pin, if yes you can open the activity you want to. You need to have an edittext to collect the pin. <EditText android:id=”@+id/passwordedittext” android:layout_width=”200dp” android:layout_height=”wrap_content” android:inputType=”textPassword”> <requestFocus /> An ok button … Read more

[Solved] Bundle.putInt() , how does it work?

[ad_1] 1) You can share int with other activity like this : String YOUR_KEY = “id”; Intent intent = new Intent(getApplicationContext(), DisplayContact.class); intent.putExtra(YOUR_KEY, id); startActivity(intent); or Bundle dataBundle = new Bundle(); dataBundle.putInt(YOUR_KEY, id); intent.putExtras(dataBundle); 2) And get int in your activity like that : int defaultValue = 0; int id = getIntent().getIntExtra(YOUR_KEY, defaultValue); or Bundle … Read more

[Solved] Creating new Class Java [closed]

[ad_1] You’ll need instance variables for the things you want to track, for example firstName, lastName, address. You can set and retrieve these values by making getters and setters for every instance variable. You could also make a constructor which assings the given arguments to the instance variables when you create a new resident, since … Read more

[Solved] Device connected, but ‘IBMIoT: Error: Connection refused: Not authorized’ message keeps popping up

[ad_1] It looks like the cause of this could be the mix up of gateways and devices as per my previous comment. From the logs it looks like you have changed the types of the device IDs between gateway and device, and in some cases a device with id b827eb0a0ee8 has connected as a gateway … Read more

[Solved] Validation without regex

[ad_1] Use Date.parse() to test date strings. As for testing alpha-numeric strings without regex, write a loop to go through the characters of the strings to see of a character is there that shouldn’t be. [ad_2] solved Validation without regex

[Solved] Upgrading ruby 1.8.6 to ruby 1.9.2

[ad_1] In Ruby a lot of us face these types of situations, where upgrading to a newer version could potentially break your code which used to work fine in an older one. The fantastic Mr. Wayne E. Seguin faced it too, and created a great tool for solving this called rvm. In a nutshell rvm … Read more

[Solved] Python and setting arguments [closed]

[ad_1] Without knowing how the python file works, we cannot tell you how to use it, but it actually tells you in the error message already quite a bit. It looks like you should run something like: python tcp_deadlock.py {server,client} 123.123.123.123 where you use a hostname (to connect to?) instead of 123.123.123.123. [ad_2] solved Python … Read more

[Solved] Private Go projects and GOPATH beyond go 1.13 [duplicate]

[ad_1] If you want to go with the $GOPATH way, then this is still working on go1.14.1: You can put both projects (not using gomodules) inside your GOPATH: Project foo is under GOPATH/src/foo/ Project, our lib, greeting is under GOPATH/src/myfancycompany/greeting/ Our goal is that foo will import greeting. Then foo/main.go will look like this: package … Read more