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nodeJs callbacks simple example
...xample of using both functions.
Synchronous:
var data = fs.readFileSync('test.txt');
console.log(data);
The code above blocks thread execution until all the contents of test.txt are read into memory and stored in the variable data. In node this is typically considered bad practice. There are tim...
Suppress warning “Category is implementing a method which will also be implemented by its primary cl
...
It can be useful when unit testing some code that has a singleton in it. Ideally, singletons should be injected into code as a protocol, allowing you to switch out the implementation. But if you already have one embedded inside your code, you can add a...
When tracing out variables in the console, How to create a new line?
... quote marks ". They also preserve new line and tab
const roleName = 'test1';
const role_ID = 'test2';
const modal_ID = 'test3';
const related = 'test4';
console.log(`
roleName = ${roleName}
role_ID = ${role_ID}
modal_ID = ${modal_ID}
related = ${related}
`);
...
Calling Objective-C method from C++ member function?
...responding header file.
// Header file (We call it "ObjCFunc.h")
#ifndef test2_ObjCFunc_h
#define test2_ObjCFunc_h
@interface myClass :NSObject
-(void)hello:(int)num1;
@end
#endif
// Corresponding Objective C file(We call it "ObjCFunc.m")
#import <Foundation/Foundation.h>
#include "ObjCFu...
How can I get query string values in JavaScript?
...)
getQueryStringParams = query => {
return query
? (/^[?#]/.test(query) ? query.slice(1) : query)
.split('&')
.reduce((params, param) => {
let [key, value] = param.split('=');
params[key] = value ? decodeURICompone...
LEN function not including trailing spaces in SQL Server
I have the following test table in SQL Server 2005:
10 Answers
10
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How to delete last character from a string using jQuery?
...0,str.length - 1));
Of course if you must:
Substr w/ jQuery:
//example test element
$(document.createElement('div'))
.addClass('test')
.text('123-4')
.appendTo('body');
//using substring with the jQuery function html
alert($('.test').html().substring(0,$('.test').html().length - 1)...
How to get filename without extension from file path in Ruby
...
Try this code
Use extname
File.basename("a/b/d/test.rb", File.extname("a/b/d/test.rb")) #=> "test"
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Why does Javascript's regex.exec() not always return the same value? [duplicate]
...substring of str specified by the regular expression's lastIndex property (test will also advance the lastIndex property).
Since you are using the g flag, exec continues from the last matched string until it gets to the end (returns null), then starts over.
Personally, I prefer to go the other ...
How to change context root of a dynamic web project in Eclipse?
... In this case, we should see a folder named app. You should be good to go. Test your URL. For a domain such as *example.com" this would be:
http://www.example.com/app/
Vaadin toolkit programmers may need to rebuild their widget set if using visual add ons.
...