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What does `void 0` mean? [duplicate]
...t does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always returns undefined.
Examples
void 0
void (0)
void "hello"
void (new Date())
//all will return undefined
What's the point of that?
It seems pretty useless, doesn't it? If it always returns undefined, what's wron...
Split column at delimiter in data frame [duplicate]
... rename it appropriately (the rename function from the reshape package is handy for doing this on the fly) and then rbind it with the existing data frame -- extra effort to get it inserted in place of the previous single column rather than as the first or last columns ...
– Ben...
git --git-dir not working as expected
... at the same time giving defaults that make the most sense VS having a command not work at all.
– Nay
Jan 18 '12 at 6:34
3
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Difference between maven scope compile and provided for JAR packaging
What is the difference between the maven scope compile and provided when artifact is built as a JAR? If it was WAR, I'd understand - the artifact would be included or not in WEB-INF/lib. But in case of a JAR it doesn't matter - dependencies aren't included. They have to be on classpath when thei...
URL-parameters and logic in Django class-based views (TemplateView)
...I have above? (something about them being persistent). Also I don't understand where I'm supposed to place logic like the above, eg. in which method? Also when I do year = self.kwargs['year'] in the view I get NameError: self not defined.
– user1319936
Apr 2 '1...
C++ auto keyword. Why is it magic?
...ose. But just recently, I encountered code that used it as a type name in and of itself. Out of curiosity I tried it, and it assumes the type of whatever I happen to assign to it!
...
Android Calling JavaScript functions in WebView
...l some javascript functions sitting in an html page running inside an android webview . Pretty simple what the code tries to do below - from the android app, call a javascript function with a test message, which inturn calls a java function back in the android app that displays test message ...
How to do URL decoding in Java?
...ng like this:
try {
String result = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8.name());
} catch (UnsupportedEncodingException e) {
// not going to happen - value came from JDK's own StandardCharsets
}
Java 10 added direct support for Charset to the API, meaning there's no need...
How to make Twitter Bootstrap menu dropdown on hover rather than click
...latest (v2.0.2) Bootstrap framework that has support for multiple submenus and thought I'd post it for future users:
body {
padding-top: 60px;
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px 0;
}
.dropdown-menu .sub-menu {
left: 100%;
position: absolute;
top: 0;
...
What is the difference between @PathParam and @QueryParam
...ful jersey. I would like to ask what is the different between @PathParam and @QueryParam in jersey?
4 Answers
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