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Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax

...pping(value = "/Test", method = RequestMethod.POST) public boolean getTest(String str1, String str2) First define a custom annotation, say @JsonArg, with the JSON path like path to the information that you want: public boolean getTest(@JsonArg("/str1") String str1, @JsonArg("/str2") String str2) ...
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Count all occurrences of a string in lots of files with grep

I have a bunch of log files. I need to find out how many times a string occurs in all files. 15 Answers ...
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How can I split a comma delimited string into an array in PHP?

I need to split my string input into an array at the commas. 10 Answers 10 ...
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In Clojure how can I convert a String to a number?

I have various strings, some like "45", some like "45px". How how I convert both of these to the number 45? 12 Answers ...
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Java URL encoding of query string parameters

...y to go. You only need to keep in mind to encode only the individual query string parameter name and/or value, not the entire URL, for sure not the query string parameter separator character & nor the parameter name-value separator character =. String q = "random word £500 bank $"; String url =...
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How to handle both a single item and an array for the same property using JSON.net

...y that can vary between a single item and an array, define it as a List<string> and mark it with a [JsonConverter] attribute so that JSON.Net will know to use the custom converter for that property. I would also recommend using [JsonProperty] attributes so that the member properties can be g...
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Spring MVC: Complex object as GET @RequestParam

...ic void setId(Long[] id) { this.id = id; } // reflection toString from apache commons @Override public String toString() { return ReflectionToStringBuilder.toString(this, ToStringStyle.SHORT_PREFIX_STYLE); } } Request mapping inside controller class: @RequestMa...
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Find location of a removable SD card

...ound here. CODE: public class ExternalStorage { public static final String SD_CARD = "sdCard"; public static final String EXTERNAL_SD_CARD = "externalSdCard"; /** * @return True if the external storage is available. False otherwise. */ public static boolean isAvailable(...
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What are type lambdas in Scala and what are their benefits?

...crete type, and it gives you List[Int], another concrete type. Give List a String and it gives you List[String]. Etc. So, List, Option can be considered to be type level functions of arity 1. Formally we say, they have a kind * -> *. The asterisk denotes a type. Now Tuple2[_, _] is a type const...
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C# Convert List to Dictionary

...ist to Dictionary where each Key Value Pair in the Dictionary is just each string in the List. i.e. 5 Answers ...