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Homebrew: List only installed top level formulas
I'm looking for a way to show only the formulas I installed without the installed dependencies.
I want to have a list of all the programs I actually installed, without all noise of the dependencies.
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...hem. Some of the questions I read are related to specific implementation challenges while others focus on general concepts. I just want to make sure I understood all of the concepts and the reasoning why technology X was invented over technology Y and so on. So here goes:
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Is there such a thing as min-font-size and max-font-size?
...ow width. In such settings, you can e.g. set the font size to a specific small value if the window is very narrow.
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What is a “surrogate pair” in Java?
...encoding, characters are mapped to values between 0x0 and 0x10FFFF.
Internally, Java uses the UTF-16 encoding scheme to store strings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complex...
How to reload the current state?
...g Angular UI Router and would like to reload the current state and refresh all data / re-run the controllers for the current state and it's parent.
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Is there a way to recover from an accidental “svn revert”?
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No, (absolutely) NO.
If you say to Subversion it should revert a file, all changes are gone by the wind.
Only your memory can get them back.
Exception: New files you had added, will only lose their status "added", but the file will remain in this directory, only status is unknown("?")
Plat...
How do you parse and process HTML/XML in PHP?
... one of the native XML extensions since they come bundled with PHP, are usually faster than all the 3rd party libs and give me all the control I need over the markup.
DOM
The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation of the W3C'...
How to highlight text using javascript
... page.
And the requirement is to - highlight only once, not like highlight all occurrences of the text as we do in case of search.
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OO Design in Rails: Where to put stuff
I'm really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
Storing money in a decimal column - what precision and scale?
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If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal on...