kayz1

<c:if test="${not empty map[1]}">
<c:if test="${map.containsKey(1)}">
<c:if test="${ ! empty map[1]}">
<c:if test="${not empty map.1}">

kayz1

var getUrlParameters = function (name, url) {
    if (!name) {
        return undefined;
    }

    name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
    url = url || location.search;

    var regex = new RegExp('[\\?&#]' + name + '=?([^&#]*)', 'gi'), result, resultList = [];

kayz1

List<String> listOfStrings = new ArrayList<String>();

listOfStrings.add("one");
listOfStrings.add("two");

Gson gson = new Gson();
String json = gson.toJson(listOfStrings);

System.out.println(json);

kayz1

// allcolors.js
// https://github.com/bgrins/devtools-snippets
// Print out CSS colors used in elements on the page.

(function () {
  var allColors = {};
  var props = ["background-color", "color", "border-top-color", "border-right-color", "border-bottom-color", "border-left-color"];
  var skipColors = { "rgb(0, 0, 0)": 1, "rgba(0, 0, 0, 0)": 1, "rgb(255, 255, 255)": 1 };

  [].forEach.call(document.querySelectorAll("*"), function (node) {

kayz1

.list-item:before {
    display: inline-block;
    content: '';
    vertical-align: middle;
    background-color: red;
    width: 5px;
    height: 7px;
    margin: 0 4px 0.125em 5px;
}

kayz1

map.values().toArray()[0]

kayz1

Unchecked 
ArrayIndexOutOfBoundsException  
ClassCastException 
IllegalArgumentException 
IllegalStateException 
NullPointerException 
NumberFormatException 
AssertionError 
ExceptionInInitializerError 
StackOverflowError 

kayz1

List<Map<String, Object>> rows = new ArrayList<Map<String, Object>>();
ResultSetMetaData metaData = resultSet.getMetaData();
int columnCount = metaData.getColumnCount();

while (resultSet.next()) {
    Map<String, Object> columns = new LinkedHashMap<String, Object>();

    for (int i = 1; i <= columnCount; i++) {
        columns.put(metaData.getColumnLabel(i), resultSet.getObject(i));
    }

kayz1

<div class="image">
    <img src="xy.jpg" alt="" />
    <img class="hoverimage" src="xy_hover.jpg" alt="" />
</div>
CSS:

.image { position: relative; width: 184px; height: 219px; }
.hoverimage { position: absolute; top: 0; left: 0; display: none; }
.image:hover .hoverimage { display: block; }

kayz1

Math.random().toString(36).slice(2,7);