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Concatenating null strings in Java [duplicate]
Why does the following work? I would expect a NullPointerException to be thrown.
5 Answers
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How to enable curl, installed Ubuntu LAMP stack?
I have installed ubuntu Lamp stack. But the curl is not enabled, neither can I can find the extension listed in the INI file. I added manually but it didn't work either.
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How to tell if a JavaScript function is defined
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This isn't really a magic string, since the set of typeof values is precisely defined in the ECMA spec. Although the syntax for this is a little goofy to begin with, it's perfectly reasonable idiomatic Javascript.
– Ben Zotto
Mar ...
jQuery Popup Bubble/Tooltip [closed]
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};
Then you create a function that position the tooltip with the offset position of the DOM-element that triggered the mouseover event, this is doable with css.
function positionTooltip(event){
var tPosX = event.pageX - 10;
var tPosY = event.pageY - 100;
$('div.tooltip').css({'po...
@class vs. #import
It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
Automatic TOC in github-flavoured-markdown
...s an unordered list and is actually thrown away.
This results in a nested set of unordered lists, using the headers in the document.
Note: this should work for GitHub Pages, not GitHub Flavored Markdown (GFM) as used in comments or wiki pages. AFAIK a solution doesn't exist for that.
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How to select html nodes by ID with jquery when the id contains a dot?
...lass” might be good for multiple documents using the same stylesheet, or setting states with client-side-scripting. For example “#navhome.navselected”.
– bobince
Mar 3 '09 at 10:43
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Programmatically trigger “select file” dialog box
...cript. It is a bit of a hack, exploiting the fact that clicking on a label sets the focus on the associated input.
You need a <label> with a proper for attribute (points to the input), optionnaly styled like a button (with bootstrap, use btn btn-default). When the user clicks the label, the d...
Disable autocomplete via CSS
...wsers do not support
autocomplete="off" for login fields:
If a site sets autocomplete="off" for a , and the form includes
username and password input fields, then the browser will still offer
to remember this login, and if the user agrees, the browser will
autofill those fields the next...
How to distinguish mouse “click” and “drag”
...es at mousedown and mouseup instead of listening to the mousemove event to set a flag. Moreover, it would fix the issue mentioned by @mrjrdnthms
– Billybobbonnet
Oct 20 '15 at 17:22
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