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How to return a part of an array in Ruby?
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Proper use of errors
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CROSS JOIN vs INNER JOIN in SQL
...lues, it's wrong; for rows as elements they can't be shared. For tables as sets you don't need a Venn diagram. Figure 1 is a common terrible attempt to explain JOIN. Its key is also complex: It's only for tables as sets & only equijoin & only one value; it also represents the input different...
Temporarily switch working copy to a specific Git commit
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git reset --hard <hash> changes the HEAD of the current branch, while with git checkout <hash> you get a detached checkout which does not change any branch, and you can easily return without knowing the original hash ID...
django MultiValueDictKeyError error, how do I deal with it
...eck this in the Chrome/Firefox DEV tool's "Network" panel. That is why you set False as the default value: if got null, make it false.
– WesternGun
Mar 7 '18 at 12:03
add a co...
How can I make the computer beep in C#?
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Convert stdClass object to array in PHP
I fetch post_id from postmeta as:
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Insert a line break in mailto body
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How to duplicate object properties in another object?
..., while Chrome (45+) and Opera (32+) require the 'experimental flag' to be set.
Support is improving, with the lastest versions of Chrome, Firefox, Opera, Safari and Edge supporting it (IE notably has no support.) Transpilers are available as well, like Babel and Traceur. See here for more details....
iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
...enable user to scroll; for minimal-ui to persist, window scroll must be offset on page load and after orientation change. However, there is no way of calculating the dimensions of the minimal-ui using the screen variable, and thus no way of telling when user is in the minimal-ui in advance.
These o...