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How to create an instance of anonymous class of abstract class in Kotlin?
Assume that KeyAdapter is an abstract class with several methods that can be overridden.
1 Answer
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Adding external library into Qt Creator project
How can I add external library into a project built by Qt Creator RC1 (version 0.9.2)? For example, the win32 function EnumProcesses() requires Psapi.lib to be added in the project to build.
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How to pass macro definition from “make” command line arguments (-D) to C source code?
I usually pass macro definitions from "make command line" to a "makefile" using the option :
-Dname=value. The definition is accessible inside the makefile.
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What is the advantage of using forwarding references in range-based for loops?
const auto& would suffice if I want to perform read-only operations. However, I have bumped into
3 Answers
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Use tab to indent in textarea
I have a simple html textarea on my side. Right now if you click tab in it, it goes to the next field. I would like to make the tab button indent a few spaces instead. How can I do this? Thanks.
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What is the minimum length of a valid international phone number?
I need to validate user input of an international phone number. According to E.164 , the maximum length is 15 digits, but I was unable to find any information about the minimum. I consider digits only, no plus sign or separators.
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How to get name of exception that was caught in Python?
How can I get the name of an exception that was raised in Python?
5 Answers
5
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POST request send json data java HttpUrlConnection
I have developed a java code that convert the following cURL to java code using URL and HttpUrlConnection.
the curl is :
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String.Join method that ignores empty strings?
The VB.NET method String.Join(separator, stringArray) is similar to PHP's implode, but any null elements in the array are replaced with an empty string, so thatc:
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Vim: How do you open another [No Name] buffer like the one on startup?
In my Vimscript program, I need to open an additional Vim buffer that is not immediately associated with a file, but which the user can save to a file of her/his choosing, just like the initial buffer called [No Name] . How can I do this?
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