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What does an Asterisk (*) do in a CSS selector?
... font size will be rendered as 14 pixel size with zero margin and padding, including h1,...pre. */
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How does a debugger work?
...ng Applications")
The book has has a chapter on how a debugger works that includes code for a couple of simple (but working) debuggers.
Since I'm not familiar with details of Unix/Linux debugging, this stuff may not apply at all to other OS's. But I'd guess that as an introduction to a very comp...
How to get rspec-2 to give the full trace associated with a test failure?
...his is indeed the correct answer - you don't need the full backtrace (that includes stuff like rails and rspec and other gems) almost all of the time - the only time you ever need it is to debug or understand something caused by the gem itself. So stick to the default backtrace clean patterns, and ...
Using CSS to insert text
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To cover older IE, you can conditionally include code.google.com/p/ie7-js which will allow your CSS to remain the same for all browsers. It's an alternative to jQuery that is closer to standards.
– system PAUSE
Apr 29 '10 at 23...
How do I convert a PDF document to a preview image in PHP? [closed]
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but how to include ImageMagick and GhostScript in php file
– namratha
Nov 29 '13 at 6:41
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git remote prune – didn't show as many pruned branches as I expected
...ure is a stale branch which should be removed.
Now you have 3 references, including refs/heads/feature, because git remote prune does not remove any refs/heads/* references.
It is possible to identify local branches, associated with remote tracking branches, by branch.<branch_name>.merge co...
CORS - How do 'preflight' an httprequest?
...o implement a workaround that involves configuring the server responses to include the "Access-Control-Allow-Origin" header and 'preflight' requests with and OPTIONS request. I got the idea from this post : Getting CORS working
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Vertically centering a div inside another div [duplicate]
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How important is it to include display: table; in the parent element?
– timofey.com
Oct 29 '13 at 3:52
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How to pass a variable from Activity to Fragment, and pass it back?
...nt with File -> New -> Fragment -> Fragment(Blank) and you check "include fragment factory methods").
Put this in your Fragment:
class MyFragment: Fragment {
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companion object {
@JvmStatic
fun newInstance(isMyBoolean: Boolean) = MyFragment().apply {
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How can I use console logging in Internet Explorer?
..., which has its own logging console that works in all mainstream browsers, including IE >= 5, plus a wrapper for the browser's own console that avoids the issue of an undefined console.
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