大约有 45,000 项符合查询结果(耗时:0.0370秒) [XML]

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Is there a visual profiler for Pytho<em>nem>? [cl<em>osem>ed]

... A frie<em>nem>d <em>a<em>nem>dem> I have writte<em>nem> a Pytho<em>nem> profile viewer called S<em>nem>akeViz that ru<em>nem>s i<em>nem> a web browser. If you are already successfully usi<em>nem>g Ru<em>nem>S<em>nem>akeRu<em>nem> S<em>nem>akeViz may <em>nem>ot add that much value, but S<em>nem>akeViz is much easier to i<em>nem>stall. Edit: S<em>nem>a...
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Extract subset of key-value pairs from Pytho<em>nem> dictio<em>nem>ary object?

...bigdict.get(k, <em>Nem>o<em>nem>e) for k i<em>nem> ('l', 'm', '<em>nem>')} If you're usi<em>nem>g Pytho<em>nem> 3, <em>a<em>nem>dem> you o<em>nem>ly wa<em>nem>t keys i<em>nem> the <em>nem>ew dict that actually exist i<em>nem> the origi<em>nem>al o<em>nem>e, you ca<em>nem> use the fact to view objects impleme<em>nem>t some set operatio<em>nem>s: {k: bigdict[k] for k i<em>nem> bigdict.keys() &amp; {'l', 'm', '<em>nem>'}} ...
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iPho<em>nem>e Simulator locatio<em>nem>

... As of Xcode 6 <em>a<em>nem>dem> i<em>OSem> 8 you’ll fi<em>nem>d it here: ~/Library/Developer/CoreSimulator/Devices/{cryptic <em>nem>umber}/data/Co<em>nem>tai<em>nem>ers/Data/Applicatio<em>nem>/{cryptic <em>nem>umber}/ or you ca<em>nem> get it from below code executio<em>nem>: <em>Nem>SLog(@"Docume<em>nem>ts Directory: %@"...
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Check whether a cell co<em>nem>tai<em>nem>s a substri<em>nem>g

... might be worth it to <em>nem>ote that this i case i<em>nem>se<em>nem>sitive, <em>a<em>nem>dem> if you wa<em>nem>t to match case, you should use FI<em>Nem>D() i<em>nem> place of SEARCH() – Code Jockey Sep 11 '14 at 15:19 ...
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setti<em>nem>g y-axis limit i<em>nem> matplotlib

...rks also for me. However, a<em>nem>other workarou<em>nem>d ca<em>nem> be to get the plot's axis <em>a<em>nem>dem> the<em>nem> cha<em>nem>ge o<em>nem>ly the y-values: x1,x2,y1,y2 = plt.axis() plt.axis((x1,x2,25,250)) share | improve this a<em>nem>swer ...
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How to remove all whitespace from a stri<em>nem>g?

...ical tab, form feed x &lt;- c( " x y ", # spaces before, after <em>a<em>nem>dem> i<em>nem> betwee<em>nem> " \u2190 \u2192 ", # co<em>nem>tai<em>nem>s u<em>nem>icode chars paste0( # varied whitespace whitespace, "x", whitespace, "y", whitespace, collapse = "" ), <em>Nem>A ...
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Is it p<em>osem>sible to have multiple stateme<em>nem>ts i<em>nem> a pytho<em>nem> lambda expressio<em>nem>?

...s a versio<em>nem> of sort that creates a <em>nem>ew list, rather tha<em>nem> sorti<em>nem>g i<em>nem>-place, <em>a<em>nem>dem> ca<em>nem> be chai<em>nem>ed. <em>Nem>ote that this is probably what you should be usi<em>nem>g - it's bad practice for your map to have side effects o<em>nem> the origi<em>nem>al list. Q. How should I get the seco<em>nem>d lowest item from each list i<em>nem> a seque<em>nem>ce of ...
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Getti<em>nem>g rid of \<em>nem> whe<em>nem> usi<em>nem>g .readli<em>nem>es() [duplicate]

...of data. So tab-separated values is a circumsta<em>nem>ce where that would be bad <em>a<em>nem>dem> if stated that way, this a<em>nem>swer would <em>nem>ever be my recomme<em>nem>datio<em>nem>. – hughdbrow<em>nem> Ju<em>nem> 3 '18 at 19:18 ...
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Why is SSE scalar sqrt(x) slower tha<em>nem> rsqrt(x) * x?

I've bee<em>nem> profili<em>nem>g some of our core math o<em>nem> a<em>nem> I<em>nem>tel Core Duo, <em>a<em>nem>dem> while looki<em>nem>g at various approaches to square root I've <em>nem>oticed somethi<em>nem>g odd: usi<em>nem>g the SSE scalar operatio<em>nem>s, it is faster to take a reciprocal square root <em>a<em>nem>dem> multiply it to get the sqrt, tha<em>nem> it is to use the <em>nem>ative sqrt opcode!...
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Multiple simulta<em>nem>eous dow<em>nem>loads usi<em>nem>g Wget?

... Do<em>nem>'t forget -s to specify the <em>nem>umber of splits, <em>a<em>nem>dem> -k to specify the mi<em>nem>imum size per split segme<em>nem>t - otherwise you might <em>nem>ever reach the -x max co<em>nem><em>nem>ectio<em>nem>s. – Bob Mar 11 '14 at 13:16 ...