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Get keys from HashMap in Java
...out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one item in your HashMap, you're good, but if you have more than that, it's best to loop over the map...
How to read attribute value from XmlNode in C#?
...= new XmlDocument();
//doc.Load(path);
doc.LoadXml(xml);
var names = doc.SelectNodes("//Employee/@name");
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Unresolved reference issue in PyCharm
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After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart
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Get a CSS value with JavaScript
...Case();
});
value = el.currentStyle[styleProp];
// convert other units to pixels on IE
if (/^\d+(em|pt|%|ex)?$/i.test(value)) {
return (function(value) {
var oldLeft = el.style.left, oldRsLeft = el.runtimeStyle.left;
el.run...
Uncaught SyntaxError: Unexpected token with JSON.parse
... is an object. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to parse it as JSON text.
The default .toString() returns "[object Object]...
Understanding Spliterator, Collector and Stream in Java 8
....map(Person::getName).collect(Collectors.toCollection(TreeSet::new));
// Convert elements to strings and concatenate them, separated by commas
String joined = things.stream()
.map(Object::toString)
.collect(Collectors.joining(", "));
// Compute sum ...
Spring 3 RequestMapping: Get path value
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Here is how I did it. You can see how I convert the requestedURI to a filesystem path (what this SO question is about). Bonus: and also how to respond with the file.
@RequestMapping(val
Javascript - How to extract filename from a file input control
When a user selects a file in a web page I want to be able to extract just the filename.
14 Answers
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Jump into interface implementation in Eclipse IDE
...y view appears
In the lower part of the view, the method should already be selected. In its toolbar, click "Lock view and show members in hierarchy" (should be the leftmost toolbar icon).
In the upper part of the view, you can browse through all implementations of the method.
The procedure isn't v...
How is Pythons glob.glob ordered?
...ame(s)[:-4])
This function returns the numeric part of the file name and converts to an integer.I then called the sort method on the list as such:
myList.sort(key=sortKeyFunc)
This returned a list as such:
["c:\tmp\x\12.csv", "c:\tmp\x\44.csv", "c:\tmp\x\101.csv", "c:\tmp\x\102.csv", "c:\tmp\x...