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Select all DIV text with single mouse click
...d CSS property, but browsers support it well — see #search=user-select.
Read more on user-select here on MDN and play with it here in w3scools
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Purpose of asterisk before a CSS property
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As far as I know, asterisk prevents Firefox to read the attribute, but is valid in IE.
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MySQL “incorrect string value” error when save unicode string in Django
..., I changed all the character sets on everything I could until I really re-read this answer: columns can have their own character sets, independent of the tables and the database. That's crazy and also was exactly my problem.
– markpasc
Jul 18 '11 at 17:43
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What is PAGEIOLATCH_SH wait type in SQL Server?
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@GregB: if you already have a basic knowledge of SQL, you could read Joe Celko's books (all of them but especially SQL for Smarties and Thinking in Sets) and my blog of course :)
– Quassnoi
Feb 3 '11 at ...
Ruby replace string with captured regex pattern
... @MarkThomas - often times we try the top/accepted answer first without reading the entirety of answers. That seems to generally be the most efficient means of fixing a problem. Give Vicky a break! :)
– Josh M.
Jan 31 '14 at 3:43
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How to keep environment variables when using sudo
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First you need to export HTTP_PROXY. Second, you need to read man sudo carefully, and pay attention to the -E flag. This works:
$ export HTTP_PROXY=foof
$ sudo -E bash -c 'echo $HTTP_PROXY'
Here is the quote from the man page:
-E, --preserve-env
Indicates to the se...
How do I create a readable diff of two spreadsheets using git diff?
We have a lot of spreadsheets (xls) in our source code repository. These are usually edited with gnumeric or openoffice.org, and are mostly used to populate databases for unit testing with dbUnit . There are no easy ways of doing diffs on xls files that I know of, and this makes merging extremely...
Change the URL in the browser without loading the new page using JavaScript
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window.location.href contains the current URL. You can read from it, you can append to it, and you can replace it, which may cause a page reload.
If, as it sounds like, you want to record javascript state in the URL so it can be bookmarked, without reloading the page, append it ...
Pass in an array of Deferreds to $.when()
... ___ );
See http://jsfiddle.net/YNGcm/21/
In ES6, you can use the ... spread operator instead:
$.when(...my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many formal parameters the .then handler will require, that handler would need to process the arg...
get dictionary key by value
...= "one").Key;
If values are unique and are inserted less frequently than read, then create an inverse dictionary where values are keys and keys are values.
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