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How to check if a give<em>nem> directory exists i<em>nem> Ruby

... If it matters whether the file you're looki<em>nem>g for is a directory <em>a<em>nem>dem> <em>nem>ot just a file, you could use File.directory? or Dir.exist?. This will retur<em>nem> true o<em>nem>ly if the file exists <em>a<em>nem>dem> is a directory. As a<em>nem> aside, a more idiomatic way to write the method would be to take adva<em>nem>tage of the fact...
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How to co<em>nem>vert a <em>Nem>umPy array to PIL image applyi<em>nem>g matplotlib colormap

...255 ra<em>nem>ge. Co<em>nem>vert to i<em>nem>tegers, usi<em>nem>g <em>nem>p.ui<em>nem>t8(). Use Image.fromarray(). <em>A<em>nem>dem> you're do<em>nem>e: from PIL import Image from matplotlib import cm im = Image.fromarray(<em>nem>p.ui<em>nem>t8(cm.gist_earth(myarray)*255)) with plt.savefig(): with im.save(): ...
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How to get the root dir of the Symfo<em>nem>y2 applicatio<em>nem>?

...uzaraf Ali. —- Use this: $this-&gt;get('ker<em>nem>el')-&gt;getRootDir(); <em>A<em>nem>dem> if you wa<em>nem>t the web root: $this-&gt;get('ker<em>nem>el')-&gt;getRootDir() . '/../web' . $this-&gt;getRequest()-&gt;getBasePath(); this will work from co<em>nem>troller actio<em>nem> method... EDIT: As for the services, I thi<em>nem>k the way you...
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Troubleshooti<em>nem>g “The use stateme<em>nem>t with <em>nem>o<em>nem>-compou<em>nem>d <em>nem>ame … has <em>nem>o effect”

...g <em>nem>amespace; it allows you to defi<em>nem>e a<em>nem> alias, <em>nem>ot to "import" a <em>nem>amespace <em>a<em>nem>dem> thus he<em>nem>ceforth omit the <em>nem>amespace qualifier altogether. So, you could do: use Blog\Article as BA; ... to shorte<em>nem> it, but you ca<em>nem><em>nem>ot get rid of it e<em>nem>tirely. Co<em>nem>seque<em>nem>tly, use Blog is useless, but I believe you coul...
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regex.test V.S. stri<em>nem>g.match to k<em>nem>ow if a stri<em>nem>g matches a regular expressio<em>nem>

... Stri<em>nem>g ) Executes the search for a match betwee<em>nem> a regular expressio<em>nem> <em>a<em>nem>dem> a specified stri<em>nem>g. Retur<em>nem>s true or false. stri<em>nem>g.match( RegExp ) Used to retrieve the matches whe<em>nem> matchi<em>nem>g a stri<em>nem>g agai<em>nem>st a regular expressio<em>nem>. Retur<em>nem>s a<em>nem> array with the matches or <em>nem>ull if there are <em>nem>o<em>nem>e. Si<em>nem>c...
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Is the 'override' keyword just a check for a overridde<em>nem> virtual method?

As far as I u<em>nem>derst<em>a<em>nem>dem>, the i<em>nem>troductio<em>nem> of override keyword i<em>nem> C++11 is <em>nem>othi<em>nem>g more tha<em>nem> a check to make sure that the fu<em>nem>ctio<em>nem> bei<em>nem>g impleme<em>nem>ted is the override i<em>nem>g of a virtual fu<em>nem>ctio<em>nem> i<em>nem> the base class. ...
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Creati<em>nem>g a URL i<em>nem> the co<em>nem>troller .<em>Nem>ET MVC

...s "Default" (as it was whe<em>nem> I created my project). – <em>A<em>nem>dem>y Sep 23 '14 at 15:51 3 You do<em>nem>'t <em>nem>eed to...
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How ca<em>nem> I map True/False to 1/0 i<em>nem> a P<em>a<em>nem>dem>as DataFrame?

I have a colum<em>nem> i<em>nem> pytho<em>nem> p<em>a<em>nem>dem>as DataFrame that has boolea<em>nem> True/False values, but for further calculatio<em>nem>s I <em>nem>eed 1/0 represe<em>nem>tatio<em>nem>. Is there a quick p<em>a<em>nem>dem>as/<em>nem>umpy way to do that? ...
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Loop through properties i<em>nem> JavaScript object with Lodash

... Yes you ca<em>nem> <em>a<em>nem>dem> lodash is <em>nem>ot <em>nem>eeded... i.e. for (var key i<em>nem> myObject.optio<em>nem>s) { // check also if property is <em>nem>ot i<em>nem>herited from prototype if (myObject.optio<em>nem>s.hasOw<em>nem>Property(key)) { var value = myObject.optio<em>nem>s[key]; } } E...
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How to detect curre<em>nem>t state withi<em>nem> directive

I'm usi<em>nem>g A<em>nem>gularUI's routi<em>nem>g <em>a<em>nem>dem> I'd like to do a <em>nem>g-class="{active: curre<em>nem>t.state}" but I'm u<em>nem>sure how to exactly detect the curre<em>nem>t state i<em>nem> a directive like this. ...