大约有 45,066 项符合查询结果（耗时：0.0350秒） [XML]
YouTube Video Embedded via iframe Ignoring z-index?
...uTube video embedded via iframe. If I hover over one of the main level nav items in Firefox, the dropdown menu properly appears on top of the video.
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generate days from date range
...010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 sec.
If we extend the subquery to generate approx. 100,000 numbers (and thus about 274 years worth of dates), it runs in 0.0458 sec.
Incidental...
Git blame — prior commits?
Is it possible to see who edited a specific line before the commit reported by git blame , like a history of commits for a given line?
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What is the difference between C, C99, ANSI C and GNU C?
...n confused by the difference between C and C99. What does C mean here? Is it C89? Check the languages at the bottom of this submit . It contains both C and C99.
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Can someone explain the dollar sign in Javascript?
...e looks like to me) tend to prefix variables that contain a jQuery object with a $ so that they are easily identified and not mixed up with, say, integers.
The dollar sign function $() in jQuery is a library function that is frequently used, so a short name is desirable.
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Is there any performance reason to declare method parameters final in Java?
...does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious reason for its usage), and dealing with anonymous inner classes.
There is...
Export CSS changes from inspector (webkit, firebug, etc)
When I'm working with CSS, I'll often test in a browser - say, Chrome - right click an element, click Inspect Element, and edit the CSS right there. The use of arrow keys to change things like margin and padding makes lining things up super easy.
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Why are functions in Ocaml/F# not recursive by default?
Why is it that functions in F# and Ocaml (and possibly other languages) are not by default recursive?
6 Answers
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IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
...be the original reason this file was marked as text but I am not provided with a "mark as ftl file" option to turn it back, if indeed this is the problem. If I mark other ftl files as txt, I am able to turn them back into ftl files as expected.
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Delimiters in MySQL
I often see people are using Delimiters. I tried myself to find out what are delimiters and what is their purpose. After 20 minutes of googling, I was not able to find an answer which satisfies me. So, my question is now: What are delimiters and when should I use them?
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