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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
... to Bootstrap 3 only.
Ignoring the letters (xs, sm, md, lg) for now, I'll start with just the numbers...
the numbers (1-12) represent a portion of the total width of any div
all divs are divided into 12 columns
so, col-*-6 spans 6 of 12 columns (half the width), col-*-12 spans 12 of 12 columns (t...
jQuery Ajax File Upload
...t unfortunately it is not supported by all/old browsers.
FormData support starts from following desktop browsers versions.
IE 10+
Firefox 4.0+
Chrome 7+
Safari 5+
Opera 12+
For more detail, see MDN link.
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LD_LIBRARY_PATH vs LIBRARY_PATH
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LD_LIBRARY_PATH is searched when the program starts, LIBRARY_PATH is searched at link time.
caveat from comments:
When linking libraries with ld (instead of gcc or g++), the LIBRARY_PATH or LD_LIBRARY_PATH environment variables are not read.
When linking libraries wi...
Add a duration to a moment (moment.js)
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If you use the return value, it is the same actual object as the one you started with. It's just returned as a convenience for method chaining.
You can work around this behavior by cloning the moment, as described here.
Also, you cannot just use == to test. You could format each moment to the ...
Do you need to close meta and link tags in HTML?
...ML, XML rules apply, so every element, without exception, must have both a start tag and an end tag, but the same tag may be used for both roles if the element content is empty, e.g. <meta name="foo" content="bar"/> as short for <meta name="foo" content="bar"></meta>. If you violat...
How to find the kth largest element in an unsorted array of length n in O(n)?
...pays off only if that code is going to be executed so many times that user starts noticing the difference in running time and feel discomfort waiting for the operation to complete.
– Zoran Horvat
Jul 19 '13 at 9:14
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Executing a command stored in a variable from PowerShell
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That is great. It is starting to come together now. Instead of 'c:\temp\with space\test1.zip' can i just use a $variable ? Do i need to place it is "" or '' ?
– Travis
Aug 30 '10 at 13:50
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Is there a command to refresh environment variables from the command prompt in Windows?
If I modify or add an environment variable I have to restart the command prompt. Is there a command I could execute that would do this without restarting CMD?
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Getting raw SQL query string from PDO prepared statements
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This is a good start, but it fails if the value of a $param itself includes a question mark ("?").
– chickenchilli
Jun 6 '19 at 4:22
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How exactly does work?
...lgorithms reference and are
referenced by the parsing rules for
script start and end tags in HTML, in
foreign content, and in XML, the rules
for the document.write() method, the
handling of scripting, etc.
If the element has a src attribute,
and the element has a defer attribute,
...