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How do I use boolea<em>nem> variables i<em>nem> Perl?

... @BlueWaldo: you ca<em>nem> also use cmp <em>a<em>nem>dem> &lt;=&gt; whe<em>nem> compari<em>nem>g <em>a<em>nem>dem> assig<em>nem>i<em>nem>g the results of the compariso<em>nem> to a scalar. $var = $var1 cmp $var2; 'cmp' <em>a<em>nem>dem> '&lt;=&gt;' (used for <em>nem>umeric compariso<em>nem>s) retur<em>nem>s -1, 0, or 1 if left argume<em>nem>t is less tha<em>nem>, equal to,...
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What are JavaScript's builti<em>nem> stri<em>nem>gs?

... First of all, I would like to tha<em>nem>k Jaso<em>nem> <em>a<em>nem>dem> all the co<em>nem>tributors for playi<em>nem>g with that fu<em>nem><em>nem>y s<em>nem>ippet. I have writte<em>nem> that piece of code just for fu<em>nem> i<em>nem> order to se<em>nem>d it to my wife o<em>nem> February 14 :) Havi<em>nem>g o<em>nem>ly Chrome i<em>nem>stalled o<em>nem> the laptop I had <em>nem>o optio<em>nem>s to chec...
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Which is better, <em>nem>umber(x) or parseFloat(x)?

... The differe<em>nem>ce betwee<em>nem> parseFloat <em>a<em>nem>dem> <em>Nem>umber parseFloat/parseI<em>nem>t is for parsi<em>nem>g a stri<em>nem>g, while <em>Nem>umber/+ is for coerci<em>nem>g a value to a <em>nem>umber. They behave differe<em>nem>tly. But first let's look at where they behave the same: parseFloat('3'); // =&gt; 3 <em>Nem>umber('3'...
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Extract file<em>nem>ame <em>a<em>nem>dem> exte<em>nem>sio<em>nem> i<em>nem> Bash

I wa<em>nem>t to get the file<em>nem>ame (without exte<em>nem>sio<em>nem>) <em>a<em>nem>dem> the exte<em>nem>sio<em>nem> separately. 37 A<em>nem>swers ...
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How ca<em>nem> I clear the SQL Server query cache?

... is co<em>nem>ducted i<em>nem> SQL Server the best approach may be to issue a CHECKPOI<em>Nem>T <em>a<em>nem>dem> the<em>nem> issue the DBCC DROPCLEA<em>Nem>BUFFERS comm<em>a<em>nem>dem>. Although the CHECKPOI<em>Nem>T process is a<em>nem> automatic i<em>nem>ter<em>nem>al system process i<em>nem> SQL Server <em>a<em>nem>dem> occurs o<em>nem> a regular basis, it is importa<em>nem>t to issue this comm<em>a<em>nem>dem> to write all of the...
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Output array to CSV i<em>nem> Ruby

.... If you do<em>nem>'t specify this, it'll default to "rb" (read-o<em>nem>ly bi<em>nem>ary mode) <em>a<em>nem>dem> you would get a<em>nem> error whe<em>nem> tryi<em>nem>g to add to your csv file. See ruby-doc.org/core-1.9.3/IO.html for a list of valid file modes i<em>nem> Ruby. – Dyla<em>nem> Markow Jul 16 '12 at 14:08 ...
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What is the differe<em>nem>ce betwee<em>nem> save <em>a<em>nem>dem> export i<em>nem> Docker?

I am playi<em>nem>g arou<em>nem>d with Docker for a couple of days <em>a<em>nem>dem> I already made some images (which was really fu<em>nem>!). <em>Nem>ow I wa<em>nem>t to persist my work <em>a<em>nem>dem> came to the save <em>a<em>nem>dem> export comm<em>a<em>nem>dem>s, but I do<em>nem>'t fully u<em>nem>derst<em>a<em>nem>dem> them. ...
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What do si<em>nem>gle quotes do i<em>nem> C++ whe<em>nem> used o<em>nem> multiple characters?

... 0x74 -&gt; 't' 0x65 -&gt; 'e' 0x73 -&gt; 's' 0x74 -&gt; 't' Edit: C++ st<em>a<em>nem>dem>ard, §2.14.3/1 - Character literals (...) A<em>nem> ordi<em>nem>ary character literal that co<em>nem>tai<em>nem>s more tha<em>nem> o<em>nem>e c-char is a multicharacter literal . A multicharacter literal has type i<em>nem>t <em>a<em>nem>dem> impleme<em>nem>tatio<em>nem>-defi<em>nem>ed value. ...
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War<em>nem>i<em>nem>g: push.default is u<em>nem>set; its implicit value is cha<em>nem>gi<em>nem>g i<em>nem> Git 2.0

I've bee<em>nem> usi<em>nem>g Git for a while <em>nem>ow <em>a<em>nem>dem> have rece<em>nem>tly dow<em>nem>loaded a<em>nem> update o<em>nem>ly to fi<em>nem>d this war<em>nem>i<em>nem>g message come up whe<em>nem> I try to push . ...
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How to write header row with csv.DictWriter?

Assume I have a csv.DictReader object <em>a<em>nem>dem> I wa<em>nem>t to write it out as a CSV file. How ca<em>nem> I do this? 3 A<em>nem>swers ...