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How to tell if browser/tab is active [duplicate]

...tual Focus or Blur action taken by the user, in which case the client will start doing hard_work on more than one interval, basically simultaneously. – Jon z Oct 1 '11 at 13:01 ...
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Why are hexadecimal numbers prefixed with 0x?

...s over the years. Notably in countries like the UK where telephone numbers start with a 0. Javascript and many other languages would parse these as octal, mangling the number before storing. To add to the fun, one popular database product would silently switch back to decimal parsing if the number ...
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SQLAlchemy default DateTime

... SQL standard specifies that CURRENT_TIMESTAMP returns values based on the start of the transaction. PostgreSQL provides the non-SQL-standard statement_timestamp() and clock_timestamp() which do change within a transaction. Docs here: https://www.postgresql.org/docs/current/static/functions-datetime...
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jquery UI dialog: how to initialize without a title bar?

...her' of the titlebar div, so it's very difficult to try finding the latter starting from former. share | improve this answer | follow | ...
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

... Is there any way to do this automatically every time I start the console? Something like a before load hook? – stream7 Jul 6 '11 at 7:20 1 ...
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What exactly is LLVM?

... According to 'Getting Started With LLVM Core Libraries' book (c): In fact, the name LLVM might refer to any of the following: The LLVM project/infrastructure: This is an umbrella for several projects that, together, form a complete compiler: fro...
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Seeing the console's output in Visual Studio 2010?

... Ctrl + F5 starts the application without debugging to you wont see anything in the output window. – Richard Adnams Mar 15 '11 at 16:53 ...
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Ternary operator in AngularJS templates

...h an ng-repeat loop, class myClass is added. The 3rd time through ($index starts at 0), class anotherClass is added. ng-style takes an expression that must evaluate to a map/object of CSS style names to CSS values. E.g., <li ng-style="{true: {color: 'red'}, false: {}}[$first]">...</li&...
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Convert tabs to spaces in Notepad++

... This will only work properly for tabs at the start of a line. E.g. in a line like this (using [tab] to represent a tab): "[tab]foo[tab]bar", with a tab size of 4 spaces, the first tab should be 4 spaces, but the second tab should be only 1 space. –...
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Can I force a page break in HTML printing?

...ML report that is going to be printable, and it has "sections" that should start in a new page. 10 Answers ...