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How do I use boolean variables in Perl?

...isn't perfect, merely the best I've found. It's meant to be practical, not all-encompassing. Do note that value returned by your bool does stringify to 0. Also, you are discouraged from creating inconsistent overloads, and the values you return could be considered such. (e.g. a && can be opt...
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What's the use/meaning of the @ character in variable names in C#?

...terfacing with other programming languages. The character @ is not actually part of the identifier, so the identifier might be seen in other languages as a normal identifier, without the prefix. An identifier with an @ prefix is called a verbatim identifier. ...
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Check for internet connection availability in Swift

...unc isConnectedToNetwork() -> Bool { var zeroAddress = sockaddr_in(sin_len: 0, sin_family: 0, sin_port: 0, sin_addr: in_addr(s_addr: 0), sin_zero: (0, 0, 0, 0, 0, 0, 0, 0)) zeroAddress.sin_len = UInt8(sizeofValue(zeroAddress)) zeroAddress.sin_family = sa_family_t(AF_INET)...
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Pandas: drop a level from a multi-level column index?

... @yoonghm It is there, you are probably just calling it on columns that don't have a multi-index – matt harrison Dec 18 '18 at 14:59 1 ...
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Android and XMPP: Currently available solutions [closed]

... Edited comments > hi all > I am using asmack for developing my xmpp client,I am facing a problem > When i come from 1st time login I start my chatting with user B and receiving messages from user B also that is fine.i switch off my wifi and...
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I want to copy table contained from one database and insert onto another database table

...wered Oct 2 '13 at 21:07 HukeLau_DABAHukeLau_DABA 2,18744 gold badges2727 silver badges4747 bronze badges ...
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Callback when CSS3 transition finishes

...AnimationEnd MSAnimationEnd", function(){ ... }); Note that you can pass all of the browser prefixed event strings into the bind() method simultaneously to support the event firing on all browsers that support it. Update: Per the comment left by Duck: you use jQuery's .one() method to ensure the...
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jQuery - Add ID instead of Class

...)); $('#container').attr('id', $(this).text()); $('.stretch_footer').attr('id', $(this).text()) $('#footer').attr('id', $(this).text()); }); }); So you are changing/overwriting the id of three elements and adding an id to one element. You can modify as per you needs... ...
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Detecting when user has dismissed the soft keyboard

... Wait wait wait, I just looked at this a third time - shouldn't the super call be to onKeyPreIme? Or is there a particular reason for it not to be so? – Erhannis Jul 3 '14 at 0:55 ...
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Not receiving Google OAuth refresh token

... You need access_type=offline in all cases when you want the refresh_token. – DanH Jan 16 '13 at 3:07 ...