Passing param values to redirect_to as querystring in rails

The ‘Record’ form of redirect_to uses the second argument only for the response status. You’ll have to use another form of redirect_to, like the ‘String’ form. e.g.: redirect_to thing_path(@thing, :foo => params[:foo]) which will work for nested params[:foo] params like you mentioned. Or, as Drew commented below, you can use polymorphic_url (or _path): redirect_to polymorphic_path(@thing, … Read more

How to obtain the query string in a GET with Java HttpServer/HttpExchange?

The following: httpExchange.getRequestURI().getQuery() will return string in format similar to this: “field1=value1&field2=value2&field3=value3…” so you could simply parse string yourself, this is how function for parsing could look like: public Map<String, String> queryToMap(String query) { if(query == null) { return null; } Map<String, String> result = new HashMap<>(); for (String param : query.split(“&”)) { String[] entry … Read more

How to get the query string by javascript?

You can easily build a dictionary style collection… function getQueryStrings() { var assoc = {}; var decode = function (s) { return decodeURIComponent(s.replace(/\+/g, ” “)); }; var queryString = location.search.substring(1); var keyValues = queryString.split(‘&’); for(var i in keyValues) { var key = keyValues[i].split(‘=’); if (key.length > 1) { assoc[decode(key[0])] = decode(key[1]); } } return assoc; … Read more

Decoding URI query string in Java

Use URLDecoder.decode(proxyRequestParam.replace(“+”, “%2B”), “UTF-8”) .replace(“%2B”, “+”) to simulate decodeURIComponent. Java’s URLDecoder decodes the plus sign to a space, which is not what you want, therefore you need the replace statements. Warning: the .replace(“%2B”, “+”) at the end will corrupt your data if the original (pre-x-www-form-urlencoded) contained that string, as @xehpuk pointed out.

In angular 2 how to preserve query params and add additional query params to route

In Angular 4+, preserveQueryParams has been deprecated in favor of queryParamsHandling. The options are either ‘merge’ or ‘preserve’. In-code example (used in NavigationExtras): this.router.navigate([‘somewhere’], { queryParamsHandling: “preserve” }); In-template example: <a [routerLink]=”[‘somewhere’]” queryParamsHandling=”merge”>

Access URL query string in svelte

Yep, you should be able to use URLSearchParams. In general, anything you can do in plain JS you can do in a Svelte script tag. <script> const urlParams = new URLSearchParams(window.location.search); const isBeta = urlParams.has(‘beta’); </script> {#if isBeta} <p>This is beta!</p> {:else} <p>This is not beta.</p> {/if} Edit: the above method will not work in … Read more