I’ve got a javascript object which has been JSON parsed using JSON.parse I now want to print the object so I can debug it (something is going wrong with the function). When I do the following… for (property in obj) { output += property + ‘: ‘ + obj[property]+’; ‘; } console.log(output); I get multiple … Read more
Can anyone give me a simple example of LL parsing versus LR parsing? 4 Answers 4
It should be so simple, but I just cannot find it after being trying for an hour. I need to get a JSON string, for example, {“k1″:v1,”k2”:v2}, parsed as a JsonNode. JsonFactory factory = new JsonFactory(); JsonParser jp = factory.createJsonParser(“{\”k1\”:\”v1\”}”); JsonNode actualObj = jp.readValueAsTree(); gives java.lang.IllegalStateException: No ObjectCodec defined for the parser, can not deserialize … Read more
If I have a string saying “abc.txt”, is there a quick way to get a substring that is just “abc”? I can’t do an fileName.IndexOf(‘.’) because the file name could be “abc.123.txt” or something and I obviously just want to get rid of the extension (i.e. “abc.123”). 12 Answers 12
I want to parse a string like “3.5” to a double. However, double.Parse(“3.5”) yields 35 and double.Parse(“3.5”, System.Globalization.NumberStyles.AllowDecimalPoint) throws a FormatException. Now my computer’s locale is set to German, wherein a comma is used as decimal separator. It might have to do something with that and double.Parse() expecting “3,5” as input, but I’m not sure. … Read more
I have the following code: DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(xmlFile); How can I get it to parse XML contained within a String instead of a file? 6 Answers 6
Java EE has ServletRequest.getParameterValues(). On non-EE platforms, URL.getQuery() simply returns a string. What’s the normal way to properly parse the query string in a URL when not on Java EE? It is popular in the answers to try and make your own parser. This is very interesting and exciting micro-coding project, but I cannot say … Read more
What’s the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero). 17 Answers 17
I want to read XML data using XPath in Java, so for the information I have gathered I am not able to parse XML according to my requirement. here is what I want to do: Get XML file from online via its URL, then use XPath to parse it, I want to create two methods … Read more
I’ve got a string in .NET which is actually a URL. I want an easy way to get the value from a particular parameter. Normally, I’d just use Request.Params[“theThingIWant”], but this string isn’t from the request. I can create a new Uri item like so: Uri myUri = new Uri(TheStringUrlIWantMyValueFrom); I can use myUri.Query to … Read more
