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What's the difference between echo, print, and print_r in PHP?

...s you have in your variables. Consider this test program: $values = array(0, 0.0, false, ''); var_dump($values); print_r ($values); With print_r you can't tell the difference between 0 and 0.0, or false and '': array(4) { [0]=> int(0) [1]=> float(0) [2]=> bool(false) [3]=...
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SyntaxError: Use of const in strict mode

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Chrome: timeouts/interval suspended in background tabs?

... | edited Apr 4 '18 at 20:59 GG. 16.5k99 gold badges6666 silver badges113113 bronze badges answered Ma...
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How to send only one UDP packet with netcat?

... 205 If you are using bash, you might as well write echo -n "hello" >/dev/udp/localhost/8000 a...
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----

... 130 Found this on a different forum If you're wondering why that leading zero is important, it's...
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HTML5 record audio to file

... 107 There is a fairly complete recording demo available at: http://webaudiodemos.appspot.com/Audio...
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Install a .NET windows service without InstallUtil.exe

... answered Oct 31 '08 at 21:49 Marc Gravell♦Marc Gravell 888k227227 gold badges23562356 silver badges27202720 bronze badges ...
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How can I delete a query string parameter in JavaScript?

...iteration as may be destructive for (var i = pars.length; i-- > 0;) { //idiom for string.startsWith if (pars[i].lastIndexOf(prefix, 0) !== -1) { pars.splice(i, 1); } } return urlparts[0] + (pars.length > 0 ? '?'...
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Removing All Child Views from View

... 201 viewGroup.removeAllViews() works for any viewGroup. in your case it is GridView. http://deve...
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Convert number to month name in PHP

...e() to create one, like so: $monthNum = 3; $monthName = date('F', mktime(0, 0, 0, $monthNum, 10)); // March If you want the 3-letter month name like Mar, change F to M. The list of all available formatting options can be found in the PHP manual documentation. ...