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Why check both isset() and !empty()

Is there a difference between isset and !empty . If I do this double boolean check, is it correct this way or redundant? and is there a shorter way to do the same thing? ...
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What algorithm does Readability use for extracting text from URLs?

...ting the "relevant" text from a URL by eliminating the text related to ads and all the other clutter.After several months of researching, I gave it up as a problem that cannot be accurately determined. (I've tried different ways but none were reliable) ...
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Difference between angle bracket < > and double quotes “ ” while including header files in C++? [dup

What is the difference between angle bracket &lt; &gt; and double quotes " " while including header files in C++? 2 Ans...
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How to delete projects in IntelliJ 12?

...of the project you just deleted. So I am thinking there should be another (and really easy way) to delete a project. 10 Ans...
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How do I set the proxy to be used by the JVM

...e Internet. The most common example happens when it is reading an XML file and needs to download its schema. 19 Answers ...
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How to rsync only a specific list of files?

...'re looking for a specific list of files, putting them directly on the command line instead: # rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/ This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include....
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Homebrew install specific version of formula?

...en two installed versions. (*) If you have been using homebrew for longer and never removed older versions (using, for example brew cleanup), chances are that some older version of your program may still be around. If you want to simply activate that previous version, brew switch is the easiest way...
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How to install pip for Python 3 on Mac OS X?

...all my own personal Python stuff with 3.3. I just flushed my 3.3.2 install and installed the new 3.3.3. So I need to install pyserial again. I can do it the way I've done it before, which is: ...
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How do I find the location of Python module sources?

...king at themodule.__file__. The datetime module, however, is written in C, and therefore datetime.__file__ points to a .so file (there is no datetime.__file__ on Windows), and therefore, you can't see the source. If you download a python source tarball and extract it, the modules' code can be found...
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GitHub Error Message - Permission denied (publickey)

Anybody seen this error and know what to do? 36 Answers 36 ...