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How can I determine what font a browser is actually using to render some text?
...d which style is used, such as Regular, ExtraLight, Italic, BoldItalic and all.
For Chrome, go into DevTools' "Elements", go to its "Computed" tab, and scroll all the way down to the section called "Rendered Fonts". Unlike with Firefox, this only shows the base font name, not any specific style it ...
How to achieve code folding effects in Emacs?
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Folding is generally unnecessary with emacs, as it has tools that explicitly implement the actions people do manually when folding code.
Most people have good success with simple incremental searches. See "foo" mentioned somewhere? Type C-...
How does a garbage collector avoid an infinite loop here?
...wo seconds, the CLR just kills the process - no more Finalize methods are called. Also, if it takes more then 40 seconds to call all objects' Finalize methods, again, the CLR just kills the process.
Also, as Servy mentions, it has its own thread.
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knitr Markdown highlighting in Emacs?
...r the former you need polymode and for the latter markdown.el. Besides, if all you want is to just switch the ESS engine from Sweave to knitr (without highlighting!), there is no need to go through all the complication of this article, just add (setq ess-swv-processor 'knitr) in you init file.
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How to reset a form using jQuery with .reset() method
...igger('reset'); i have added profile_img_form named class on my form then called it. it does not reset my form and returning error message like Uncaught SyntaxError: Invalid regular expression: /(^|\.)bs\.(?:.*\.|)fileinput(\.|$)/: Kindly suggest what is issue. Thanks.
– Kamle...
How to merge specific files from Git branches
... not stage this hunk nor any of the remaining ones
a - stage this hunk and all later hunks in the file
d - do not stage this hunk nor any of the later hunks in the file
g - select a hunk to go to
/ - search for a hunk matching the given regex
j - leave this hunk undecided, see next undecided hunk
J ...
Why can outer Java classes access inner class private members?
...he inner class is just a way to cleanly separate some functionality that really belongs to the original outer class. They are intended to be used when you have 2 requirements:
Some piece of functionality in your outer class would be most clear if it was implemented in a separate class.
Even thoug...
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)?
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For your needs, use ConcurrentHashMap. It allows concurrent modification of the Map from several threads without the need to block them. Collections.synchronizedMap(map) creates a blocking Map which will degrade performance, albeit ensure consistency (if used properl...
javax.faces.application.ViewExpiredException: View could not be restored
...ession cookie is not maintained anymore for some reason in browser, or by calling HttpSession#invalidate() in server, or due a server specific bug with session cookies as known in WildFly), then the serialized view state is not available anymore in the session and the enduser will get this exception...
How can I reset or revert a file to a specific revision?
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@aliteralmind: Actually, yes, there's a way to do it: "git log --reverse -1 --ancestry-path yourgitrev..master" and then use the appropriate options to just get the git rev. --ancestry-path will "draw a line" between two commits and -1 will sho...