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Update just one gem with bundler
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Here you can find a good explanation on the difference between
Update both gem and dependencies:
bundle update gem-name
or
Update exclusively the gem:
bundle update --source gem-name
along with some nice examples of possible side-effects.
Update
As @Tim's ans...
$(document).ready shorthand
... with .ready(). Rather, it is an immediately-invoked function expression (IIFE) with the jQuery object as its argument. Its purpose is to restrict the scope of at least the $ variable to its own block so it doesn't cause conflicts. You typically see the pattern used by jQuery plugins to ensure that ...
TabLayout 拓展：多模式 Tab 导航组件 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
How to get everything after last slash in a URL?
....com/foo/?entry=the/bar#another/bar. But basic parsing like rsplit is okay if you are absolutely certain there will never be any slashes in your query or fragment parameters. However, I shudder to think of how many codebases actually contain this rsplit code and its associated bug with query handlin...
Select multiple columns in data.table by their numeric indices
...as of about 3 weeks ago, the development version of data.table has been modified to calls like dt[, 2], dt[, 2:3], dt[, "b"], and dt[, c("b", "c")] behave the same as they do in the with data.frames without having to explicitly set with=FALSE. It's terrific! See here for the particular commit, inclu...
What is the difference between setUp() and setUpClass() in Python unittest?
What is the difference between setUp() and setUpClass() in the Python unittest framework? Why would setup be handled in one method over the other?
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Opposite of %in%: exclude rows with values specified in a vector
...cond option is illustrated in the help(match) page (where you would get to if you typed ?"%in%" ) where the new operator is called %w/o%.
– IRTFM
Apr 29 '11 at 12:50
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Display names of all constraints for a table in Oracle SQL
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You need to query the data dictionary, specifically the USER_CONS_COLUMNS view to see the table columns and corresponding constraints:
SELECT *
FROM user_cons_columns
WHERE table_name = '<your table name>';
FYI, unless you specifically created your table w...
口袋短片：参考抖音的原生应用案例 · App Inventor 2 中文网
...鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e.clientY - offsetY) + 'px'; }; // 鼠标释放时停止拖动 document.onmouseup = function(...
PHP: How to handle
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@SimonePalazzo XML consists of various different "nodes" - e.g. <anElement>a text node <aChildElement /> <![CDATA a cdata node]]> another text node</anElement>. The CDATA and text nodes are different types, and SimpleXML tracks this so you c...