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Detect if a NumPy array contains at least one non-numeric value?

...0us %timeit np.isnan(array1M).any() # 532us The early-exit method is 3 orders or magnitude speedup (in some cases). Not too shabby for a simple annotation. share | improve this answer |...
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What steps should I take to protect my Google Maps API Key?

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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How do I find Waldo with Mathematica?

... many images of Waldo - all variations of him sitting, standing, occluded, etc.; shirt, hat, camera, and all the works. You don't need a large corpus of Waldos (maybe 3-5 will be enough), but the more the better. This will assign clouds of probabilities to various elements occurring in whatever the...
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)

...simpler. If you only need a couple of literal values (bools, ints, string, etc) then this approach gives the most bang for the buck. If you need structured data, namespace separation, XSD supported validation/completion, etc, then a custom section might be a better fit. Another option is to ignore t...
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In Mongoose, how do I sort by date? (node.js)

... I do this: Data.find( { $query: { user: req.user }, $orderby: { dateAdded: -1 } } function ( results ) { ... }) This will show the most recent things first. share | impr...
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How do you sign a Certificate Signing Request with your Certification Authority?

...Use public key default MD preserve = no # Keep passed DN ordering x509_extensions = ca_extensions # The extensions to add to the cert email_in_dn = no # Don't concat the email in the DN copy_extensions = copy # Required to copy SANs from CSR to cert #####...
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String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]

...ble for display in any particular culture. Its major application is to order strings in a way that will be identical across cultures. http://msdn.microsoft.com/en-us/library/system.stringcomparer.invariantcultureignorecase.aspx The invariant culture is the CultureInfo object returne...
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How to compare strings in Bash

... Thanks for the string alphabetical order comparison – shadi Feb 21 '16 at 11:48 ...
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Why would one omit the close tag?

...ickle of the common headers already sent causes (raw output, BOM, notices, etc.) and their follow-up problems. PHP actually contains some magic to eat up single linebreaks after the ?> closing token. Albeit that has historic issues, and leaves newcomers still susceptible to flaky editors and una...
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Python dictionary: Get list of values for list of keys

...avoids constructing an intermediary list, but you still run 'k in mykeys' (order len(mykeys), since it's a list) for every k in mydict. Completely unnecessarily, compared to the simpler list comprehension that just runs over mykeys. – Peter DeGlopper Aug 26 '1...