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How to check if a string is a valid JSON string in JavaScript without using Try/Catch

...ou do not mind to use it, read the answer below. Here we just check a JSON string using a regexp, and it will work in most cases, not all cases. Have a look around the line 450 in https://github.com/douglascrockford/JSON-js/blob/master/json2.js There is a regexp that check for a valid JSON, someth...
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The Guava library: What are its most useful and/or hidden features? [closed]

...ially used it for collections shorthands. For example, instead of: Map<String, Map<Long, List<String>>> map = new HashMap<String, Map<Long, List<String>>>(); you can do this: Map<String, Map<Long, List<String>>> map = Maps.newHashMap(); It'...
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Spring schemaLocation fails when there is no internet connection

...ks even though intellij doesn't recognize the classpath syntax inside schemalLocation and highlights it as a error. – Upgradingdave Feb 27 '13 at 19:33 ...
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MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer

...splayFormat attribute: [DataType(DataType.Date)] [DisplayFormat(DataFormatString = "{0:yyyy-MM-dd}", ApplyFormatInEditMode = true)] public Nullable<System.DateTime> EstPurchaseDate { get; set; } share | ...
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PHP - Extracting a property from an array of objects

...he question because, array_column doesn't work with an array of objects at all. Since PHP 7.0.0 is is possible: stackoverflow.com/a/23335938/655224 – algorhythm May 23 '17 at 6:36 ...
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What is Unicode, UTF-8, UTF-16?

...ease see the UTF FAQ. Practical programming considerations Character and String data types: How are they encoded in the programming language? If they are raw bytes, the minute you try to output non-ASCII characters, you may run into a few problems. Also, even if the character type is based on a UT...
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How to convert milliseconds to “hh:mm:ss” format?

... You were really close: String.format("%02d:%02d:%02d", TimeUnit.MILLISECONDS.toHours(millis), TimeUnit.MILLISECONDS.toMinutes(millis) - TimeUnit.HOURS.toMinutes(TimeUnit.MILLISECONDS.toHours(millis)), // The change is in this line TimeUnit.MILLI...
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How to get all enum values in Java?

...("1 rs"), NICKLE("5 rs"), DIME("10 rs"), QUARTER("25 rs"); private String value; private Currency(String brand) { this.value = brand; } @Override public String toString() { return value; } } public static void main(Str...
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How to get HTTP response code for a URL in Java?

... following: class ResponseCodeCheck { public static void main (String args[]) throws Exception { URL url = new URL("http://google.com"); HttpURLConnection connection = (HttpURLConnection)url.openConnection(); connection.setRequestMethod("GET"); connec...
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How can I check the system version of Android?

...s.Build.VERSION. CODENAME: The current development codename, or the string "REL" if this is a release build. INCREMENTAL: The internal value used by the underlying source control to represent this build. RELEASE: The user-visible version string. ...