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Can I set null as the default value for a @Value in Spring?
...string @null but you can also use the empty string as nullValue.
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!-- config the location(s) of the properties file(s) here -->
<property name="nullValue" value="@nul...
How do Third-Party “tracking cookies” work?
...with ads) how Website B (an advertising website) can assign my computer an ID, and then figure out that I was on website A, and other websites after it that have its ads.
...
HTTP GET request in JavaScript?
...andle the response inside an event handler.
function httpGetAsync(theUrl, callback)
{
var xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function() {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200)
callback(xmlHttp.responseText);
}
xm...
Make Div overlay ENTIRE page (not just viewport)?
....com/okabo3/edit
div.fadeMe {
opacity: 0.5;
background: #000;
width: 100%;
height: 100%;
z-index: 10;
top: 0;
left: 0;
position: fixed;
}
<body>
<div class="fadeMe"></div>
<p>A bunch of content here...</p>
<...
How to get the current date/time in Java [duplicate]
...n a form that allows you to access the components (year, month, etc) numerically, you could use one of the following:
new Date() gives you a Date object initialized with the current date / time. The problem is that the Date API methods are mostly flawed ... and deprecated.
Calendar.getInstance() ...
Recommended Vim plugins for JavaScript coding? [closed]
...ect - Tern.js
DoctorJS is currently dead. There's a new promising project called tern.js. It's currently in early beta, and should eventually replace it.
There is a project ramitos/jsctags which uses tern as its engine. Just npm install -g it, and tagbar will automatically use it for javascript fi...
PHP array_filter with arguments
...he idea is that you create an object with the desired state ($num) and the callback method (taking $i as an argument):
class LowerThanFilter {
private $num;
function __construct($num) {
$this->num = $num;
}
function isLower($i) {
...
RegEx to extract all matches from string using RegExp.exec
...
Continue calling re.exec(s) in a loop to obtain all the matches:
var re = /\s*([^[:]+):\"([^"]+)"/g;
var s = '[description:"aoeu" uuid:"123sth"]';
var m;
do {
m = re.exec(s);
if (m) {
console.log(m[1], m[2]);
}
}...
How to find NSDocumentDirectory in Swift?
...s in Xcode 6.0 and 6.1. Generally, String and NSString are bridged automatically in Swift. Maybe you had to cast to NSString for another reason.
– nschum
Oct 19 '14 at 19:10
...
BeanFactory vs ApplicationContext
...
With BeanFactory we can pass constructor parameters dynamically but with ApplicationContext we can't do that.
– Half Blood Prince
Jun 13 '17 at 7:28
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