大约有 40,000 项符合查询结果（耗时：0.0623秒） [XML]
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...s a string, and doesn't generate an error if the variable doesn't exist at all.
share
|
improve this answer
|
follow
|
...
Is there any performance reason to declare method parameters final in Java?
...
I have seen Sun's compiler emit marginally shorter bytecode when the only difference between the two methods has been the "finality" of local variables. Micro-optimizations are a real thing, and compilers do actually make them. What really matters, of course, is ...
How to handle initializing and rendering subviews in Backbone.js?
...fferent problems. I'm curious to know if there is a better way that solves all of the problems:
7 Answers
...
Check if checkbox is checked with jQuery
...here is more than one checkbox with that class name. The is(':checked') really only works on one element.
– John Boker
Apr 17 '13 at 12:59
5
...
Cannot set boolean values in LocalStorage?
...ber or a boolean, the operands are converted to numbers if possible - I totally didn't realize that. I thought if one were a string, the other was cast to a string. Cheers (+1).
– Andy E
Jul 16 '10 at 9:01
...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
... The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in the default scheme for the Run build. One could query #ifdef DEBUG ... and make decisions in the code accordingly, even compiling out non-necessary code.
...
How do you create a hidden div that doesn't create a line break or horizontal space?
...lobal HTML attribute hidden which is available since HTML5.1 which is basically the same as saying display: none although straight from HTML. However any use of the display property overrides the behavior of the hidden global attribute.
– Marius Mucenicu
Aug 29...
CSS margin terror; Margin adds space outside parent element [duplicate]
...re ( seifi.org/css/… ) aswell and some good explaining. No solution is really 100% satisfying. But I guess one just have to live with it, margin must work this way or text formatting would be impossible. 99% of time it works as needed. But every now and then comes the issue when designing a layout...
Using .text() to retrieve only text not nested in child tags
...e:
$("#foo")
.clone() //clone the element
.children() //select all the children
.remove() //remove all the children
.end() //again go back to selected element
.text();
share
|
...
Chrome: Uncaught SyntaxError: Unexpected end of input
...
ok Thanks alot i removed the json request all together and the error went away i've yet to figure out what exactly is wrong with my json request. i just had no idea where to start debugging. if i may ask how did you determine the root cause
– dl...