The other answers that Comparison takes place before Boolean are 100% correct. As an alternative (for situations like what you’ve demonstrated) you can also use this as a way to combine the conditions: if socket.gethostname() in (‘bristle’, ‘rete’): # Something here that operates under the conditions. That saves you the separate calls to socket.gethostname and … Read more
It can be solved by ticking javascript.suggest.completeFunctionCalls property up.
Define the annotation with an attribute named value, then the attribute name can be omitted: @interface CustomAnnotation { String value(); } This can be used like so: @CustomAnnotation(“/main”) // …
As PEP 8 states: The preferred way of wrapping long lines is by using Python’s implied line continuation inside parentheses, brackets and braces. Long lines can be broken over multiple lines by wrapping expressions in parentheses. These should be used in preference to using a backslash for line continuation.
Yes. The preprocessor concatenation operator (##) will cause issues, for example: #define _add_penguin(a) penguin ## a #define add_penguin(a) _add_penguin(a) #define WIDTH (100) #define HEIGHT 200 add_penguin(HEIGHT) // expands to penguin200 add_penguin(WIDTH) // error, cannot concatenate penguin and (100) Same for stringization (#). Clearly this is a corner case and probably doesn’t matter considering how WIDTH … Read more
“Curly Braces” are used in Python to define a dictionary. A dictionary is a data structure that maps one value to another – kind of like how an English dictionary maps a word to its definition. Python: dict = { “a” : “Apple”, “b” : “Banana”, } They are also used to format strings, instead … Read more
$string = “ABC (Test1)”; echo preg_replace(“/\([^)]+\)/”,””,$string); // ‘ABC ‘ preg_replace is a perl-based regular expression replace routine. What this script does is matches all occurrences of a opening parenthesis, followed by any number of characters not a closing parenthesis, and again followed by a closing parenthesis, and then deletes them: Regular expression breakdown: / – … Read more
It is try with Resources syntax which is new in java 1.7. It is used to declare all resources which can be closed. Here is the link to official documentation. https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html static String readFirstLineFromFile(String path) throws IOException { try (BufferedReader br = new BufferedReader(new FileReader(path))) { return br.readLine(); } } In this example, the resource … Read more
For one word, I’ve been using: bcw()<Esc>P That is, go to the start of the word, cut the word and go into insert mode, type the brackets and then exit insert mode and paste the word back in. Keep in mind that this will overwrite your yank register. You can, of course replace bcw with … Read more
TL;DR Extra parentheses change the meaning of a C++ program in the following contexts: preventing argument-dependent name lookup enabling the comma operator in list contexts ambiguity resolution of vexing parses deducing referenceness in decltype expressions preventing preprocessor macro errors Preventing argument-dependent name lookup As is detailed in Annex A of the Standard, a post-fix expression … Read more