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Which characters need to be escaped in HTML?
...the element delimiter less-than and greater-than signs < >:
& becomes &amp;
< becomes &lt;
> becomes &gt;
Inside of attribute values you must also escape the quote character you're using:
" becomes &quot;
' becomes &#39;
In some cases it may be safe to skip esc...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...Peter says that it depends on your indexes and other factors. Many of the comments to the post seem to say that SQL_CALC_FOUND_ROWS is almost always slower - sometimes up to 10x slower - than running two queries.
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Check if a string contains a substring in SQL Server 2005, using a stored procedure
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Edit or from daniels answer, if you're wanting to find a word (and not subcomponents of words), your CHARINDEX call would look like:
CHARINDEX(' ME ',' ' + REPLACE(REPLACE(@mainString,',',' '),'.',' ') + ' ')
(Add more recursive REPLACE() calls for any other punctuation that may occur
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What's the difference between dist-packages and site-packages?
...derivatives, like Ubuntu. Modules are installed to dist-packages when they come from the Debian package manager into this location:
/usr/lib/python2.7/dist-packages
Since easy_install and pip are installed from the package manager, they also use dist-packages, but they put packages here:
/usr/lo...
How to change border color of textarea on :focus
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Bootstrap 3 Navbar Collapse
...lem today.
Bootstrap 4
It's a native functionality: https://getbootstrap.com/docs/4.0/components/navbar/#responsive-behaviors
You have to use .navbar-expand{-sm|-md|-lg|-xl} classes:
<nav class="navbar navbar-expand-md navbar-light bg-light">
Bootstrap 3
@media (max-width: 991px) {
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How to understand nil vs. empty vs. blank in Ruby
... nil? , blank? , and empty? in Ruby on Rails. Here's the closest I've come:
14 Answers
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Get elements by attribute when querySelectorAll is not available without using libraries?
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Using != null is the ideal way (better than my comment above) because in old IE it is possible for getAttribute to return a value whose typeof is 'number'
– ryanve
Nov 24 '12 at 19:51
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Javascript !instanceof If Statement
...f(!obj instanceof Array), which evaluates to true (or false), which then becomes if(bool instanceof Array), which is obviously false. Therefore, wrap it in parenthesis as suggested.
– ronnbot
Nov 26 '13 at 20:07
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