As per OP’s comment on question : So, I am trying to get the index of the ngFor in order to do a comparison to array of data before triggering another function. For example, the test() function will be triggered when I click a button, then it will check the current index, and do something … Read more
Java 8 introduces a String.join(separator, list) method; see Vitalii Federenko’s answer. Before Java 8, using a loop to iterate over the ArrayList was the only option: DO NOT use this code, continue reading to the bottom of this answer to see why it is not desirable, and which code should be used instead: In fact, a string concatenation is going … Read more
Downloaded Xamarin Android Player and with >>next>> progress installed Virtual Box. When I tried to start an emulator I got and the detail of the error in Oracle Vm Virtualbox is How can I fix this? I have found the solution of my problem, put some images to help others, thanks go here
There’s a function to find a substring within a string (find), and a function to replace a particular range in a string with another string (replace), so you can combine those to get the effect you want: In response to a comment, I think replaceAll would probably look something like this:
Some suggestions for this – If you are trying to write a file on client machine, You can’t do this in any cross-browser way. IE does have methods to enable “trusted” applications to use ActiveX objects to read/write file. If you are trying to save it on your server then simply pass on the text … Read more
If your row length is a compile time constant, C++11 allows See this answer. Compilers like gcc that allow variable-length arrays as an extension to C++ can use new as shown here to get fully runtime-variable array dimension functionality like C99 allows, but portable ISO C++ is limited to only the first dimension being variable. Another efficient option is … Read more
Sure there’s an entity for tabs: (The tab is ASCII character 9, or Unicode U+0009.) However, just like literal tabs (ones you type in to your text editor), all tab characters are treated as whitespace by HTML parsers and collapsed into a single space except those within a <pre> block, where literal tabs will be rendered as 8 spaces in a … Read more
You cannot combine like and in. The statement below would do the job though:
This answer was posted several years ago and now the question really should be should you even consider using the X-UA-Compatible tag on your site? with the changes Microsoft has made to its browsers (more on those below). Depending upon what Microsoft browsers you support you may not need to continue using the X-UA-Compatible tag. If you need to support IE9 … Read more
Why forward-declare is necessary in C++ The compiler wants to ensure you haven’t made spelling mistakes or passed the wrong number of arguments to the function. So, it insists that it first sees a declaration of ‘add’ (or any other types, classes, or functions) before it is used. This really just allows the compiler to … Read more