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When to wrap quotes around a shell variable?
...ns to loop over or a wildcard to expand is less frequently seen, so we sometimes abbreviate to "quote everything unless you know precisely what you are doing".
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Understanding the main method of python [duplicate]
...rint statement before the if __name__ line then it will print output every time any other code attempts to import that as a module. (Of course, this would be anti-social. Don't do that).
I, personally, like these semantics. It encourages programmers to separate functionality (definitions) from fu...
iReport not starting using JRE 8
...th Java 8 is through up to the version 5.6.0 at least (the most current at time of commenting)
– Hubert Schumacher
Jan 15 '16 at 4:59
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
...entId');
});
However some features of google analytics (for example real time stats) do not work properly after this modification. More about google analytics cookies: https://developers.google.com/analytics/devguides/collection/analyticsjs/domains?hl=en#disableCookies
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PHP Pass by reference in foreach [duplicate]
..., $v is still a reference to the last array item, so it's overwritten each time.
You can see it like that:
$a = array ('zero','one','two', 'three');
foreach ($a as &$v) {
}
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
As you can see, the last array item takes the current loop value...
What does href expression do?
I have seen the following href used in webpages from time to time. However, I don't understand what this is trying to do or the technique. Can someone elaborate please?
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How can I build a small operating system on an old desktop computer? [closed]
...vice is also that you may be able to avoid writing a VGA driver for a long time. In my case, the Digilent development board has an onboard UART, so I can effectively use the serial output as my console to get the whole thing up and booting to a command line with minimal fuss.
Just make sure that wh...
Why shouldn't I use “Hungarian Notation”?
...mple is in VBScript, which didn't support user-defined classes (for a long time at least). In a language with user-defined types you would solve the same problem by creating a HtmlEncodedString-type and then let the Write method accept only that. In a statically typed language, the compiler will cat...
Useless use of cat?
...hy people throw the UUoC stone (including me) is to primarily educate. Sometimes people do process gigabytes huge textfiles in which case minimizing pipes (UUoC, collapsing sequential greps into one, a.s.o.) is crucial and often it can be safely assumed based on the question that the OP really just ...
cscope or ctags why choose one over the other? [closed]
... kernel root dir and have been playing with jumping around and most of the time end up in the wrong place. I read that ctags has problems with the c preprocessor, but considering that ctags is used in lxr there obviously must be something that can be done.
– Robert S. Barnes
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