大约有 42,000 项符合查询结果（耗时：0.0693秒） [XML]
The simplest possible JavaScript countdown timer? [closed]
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I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets.
Demo with vanilla JavaScript
function startTimer(duration, display) {
var timer = duration, minutes, seconds;
setInterval(functio...
iTerm2: How to expand split pane temporarily?
Is there a way to temporarily expand a split pane into full tab and go back again when done?
I am looking for a keyboard shortcut to do so. The use case is to be able to temporarily switch to full-screen on demand.
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Add querystring parameters to link_to
...e an Index view, for example, that has UI elements for sorting, filtering, and pagination (via will_paginate). The will_paginate plugin manages the intra-page persistence of querystring parameters correctly.
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How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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How to create query parameters in Javascript?
... answered Aug 26 '18 at 16:41
Andrew PalmerAndrew Palmer
1,1021111 silver badges1313 bronze badges
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How to printf “unsigned long” in C?
I can never understand how to print unsigned long datatype in C.
8 Answers
8
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How to Reload ReCaptcha using JavaScript?
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i'm using this grecaptcha.reset(); for my react apps, and it works perfectly
– yussan
Apr 16 '16 at 16:41
4
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How can I check for an empty/undefined/null string in JavaScript?
... tools, testing === '' vs .length didn't show any discernible improvement (and using .length only works if you can assume that you have a string)
– bdukes
Sep 27 '10 at 13:19
27
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How to rollback a specific migration?
...STEP=5
Will also rollback all the migration that happened later (4, 3, 2 and also 1).
To roll back all migrations back to (and including) a target migration, use: (This corrected command was added AFTER all the comments pointing out the error in the original post)
rake db:migrate VERSION=2010090...
Cancel/kill window.setTimeout() before it happens
..., for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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