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How can I merge properties of two JavaScript objects dynamically?
...Later properties overwrite earlier properties with the same name. */
const allRules = {...obj1, ...obj2, ...obj3};
Here is also the MDN documentation for this syntax. If you're using babel you'll need the babel-plugin-transform-object-rest-spread plugin for it to work.
ECMAScript 2015 (ES6) Stand...
@RequestParam vs @PathVariable
...String param2){
...
}
The following are the list of parameters supported by the @RequestParam annotation:
defaultValue – This is the default value as a fallback mechanism if request is not having the value or it is empty.
name – Name of the parameter to bind
required – Whether the paramete...
What does Connect.js methodOverride do?
...en you can use app.delete and app.put in Express instead of using app.post all the time (thus more descriptive, verbose):
Backend:
// the app
app.put('/users/:id', function (req, res, next) {
// edit your user here
});
Client logic:
// client side must be..
<form> ...
<input type=...
How do I import global modules in Node? I get “Error: Cannot find module ”?
...
This makes your .node_modules folder searchable, but in order to import modules using require(), they should still be installed in your local project directory (or alternatively, linked using npm link). Global modules cannot be imported in projects, only binaries/scripts can be ru...
Offset a background image from the right using CSS
...hat works perfectly:
background: url('/img.png') no-repeat right center;
border-right: 10px solid transparent;
I used it since the CSS3 feature of specifying offsets proposed in the answer marked as solving the question is not supported in browsers so well yet. E.g.
...
How will I know when to create an interface?
...ing that implements IEnumerable basically says "I support iteration in a unordered foreach-type pattern", you can define complex behaviors (Count, Max, Where, Select, etc.) for any enumerable type.
share
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How to get a path to a resource in a Java JAR file
...
you can add 'rsrc:' when you call your resource in order to open it. like new File("rsrc:filename.txt") this will load filename.txt which is packed inside the root of your jar
– gipsh
Jun 16 '16 at 18:45
...
How to do scanf for single char in C [duplicate]
...
The %c conversion specifier won't automatically skip any leading whitespace, so if there's a stray newline in the input stream (from a previous entry, for example) the scanf call will consume it immediately.
One way around the problem is to put a blank space before t...
Node.js Mongoose.js string to ObjectId function
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Check if table exists and if it doesn't exist, create it in SQL Server 2008
...read, and you don't have to worry about sys.objects vs. sysobjects vs. sys.all_objects
vs. sys.tables. Basic form:
IF object_id('MyTable') is not null
PRINT 'Present!'
ELSE
PRINT 'Not accounted for'
Of course this will show as "Present" if there is any object present with that name. If yo...