If you mean why can’t you invoke the getArea() and getPerimeter() methods, it is because they are abstract. You cannot invoke an abstract method. An abstract method must have an implementation in a concrete class. Also, you cannot instantiate an interface or an abstract class. You can only instantiate concrete classes (and they may implement … Read more
Install epel repository from fedora Download it from http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm # rpm -ivh epel-release-7-5.noarch.rpm # yum install ntfs-3g ntfsprogs ntfsprogs-gnomevfs Done solved Unable to mount usb hard disk in rhel 7.1 [closed]
You’re missing a while after the do block. They go together. The syntax for do … while in Java is: do { // some statements } while (/*condition*/); More info 3 solved Online prompt Java : external error or my own error?
The error Permission Denial: starting instrumentation Component means that you don’t have the right debug key. If you have the keystore and it was working before then check that the keystore hasn’t been updated. If you don’t have the keystore you can resign the app with your own. calabash-android resign app.apk From – https://github.com/calabash/calabash-android/wiki/Running-Calabash-Android The … Read more
Conversion failed when converting the nvarchar value ‘ff’ to data type int. Just what your error says, failed conversion in your SQL query. Its hard to say where in your query the issue is at without seeing the query. solved Error:System.Data.SqlClient.SqlException (0x80131904): Conversion failed when converting the nvarchar value [closed]
Whoever designed ( and I dont know why I used the word designed ) this data structure should be taken out and given a basic education…. and then shot. I dont know of any language where a field or class or property could possibly be expected to allow a space in a name i.e. Measurement … Read more
You can try a resizable UserControl. Create a new UserControl as a template (German, but you will find it): Set the BorderStyle to FixedSingle. Add a Label to the UserControl. I called it lblInner: Now for some coding including the possibility to resize the UserControl at Runtime using Mouse Handles. Please note that the code … Read more
You’re looking for the len method, which works on any object with a definable length: >>>test_string = “Hello” Hello >>>len(test_string) 5 For a string, it will treat the string as a list of characters. This means “Hello” has 5, but “Hello ” would have 6, and “Hello World!” would have 12. docs: https://docs.python.org/3/library/functions.html#len solved How … Read more
Have a look at this question: Question about including html page in PHP If you have problems with the .css because they are included with relative path you need to set the relative path “relative” to the .php file 3 solved How to add html menu in php [closed]
First the final answer, which is really a one-liner. Some explanations follow a = [88, 24, 128, 3] [i + 1 for i, x in enumerate(“”.join(bin(n + 256)[3:] for n in a)) if x == “1”] This yields [2, 4, 5, 12, 13, 17, 31, 32] First transformation: def dec2bin(a): return [int(x) for x in … Read more
Remove the last ‘ ‘}”; Make it like this… var signup_data = “{‘ut’: ‘T’,’fn’: ‘Roy’,’ln’: ‘M J’,’el’: ‘[email protected]’,’dob’: ‘1988-12-05′,’pd’: ‘123’,’did’: ‘3456789-fghjkl’,’dt’: ‘I’,’dtn’: ‘EA2B6A87-2145-4BA2′,’ky’: ‘MTIOS’,’av’: ‘1.0’,’gr’: ‘F’,’rs’: 1,’str’: ‘street’,’cy’: ‘city’,’st’: 1,’co’: 1,’zc’: ‘895545’,’se’: ‘[email protected]’,’ph1′: ‘2587456874’,’ph2′: 5874587558}”; 2 solved Javascript error : Uncaught SyntaxError: Unexpected token ILLEGAL
Use header function like this: header(‘Location: login.php’); exit; But don’t print any html output before calling header function else it will result in an error. solved how to redirect/dispatch in php? [duplicate]
I’m not really sure if your tables are in sql, but in case they are, I think the best way to get the data as you want is with a LEFT JOIN as follows: SELECT * FROM follow JOIN posts ON (follow.friends = posts.uid OR follow.uid = posts.uid) WHERE follow.uid = {user_uid} Where {user_id} is … Read more
A switch statement is meant to be used in place of if else statements For example int a =4; if(a == 1) doSomething(); else if(a == 2) doSomethingElse(); else if(a == 3) BLAH(); else CaseUnaccountedFor(); Is equivalent to int a =4; switch(a) { case 1: doSomething(); break; case 2: doSomethingElse(); break; case 3: BLAH(); break; … Read more
I assumed Time column Value are fixed and that are 1,3,5,7. Below Query is similar to what you wanted to achieve. select distinct T.id,T.iMid, (select amount from myTable where time = 1 and id = T.id and iMid = T.iMid) as Time1, (select amount from myTable where time = 3 and id = T.id and … Read more