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How to write a multidimensional array to a text file?

...8.00 199.00 # New slice Reading it back in is very easy, as long as we know the shape of the original array. We can just do numpy.loadtxt('test.txt').reshape((4,5,10)). As an example (You can do this in one line, I'm just being verbose to clarify things): # Read the array from disk new_data = np...
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Practical use of `stackalloc` keyword

...only be stored into a pointer local variable. As of C# 7.2, stackalloc can now be used as part of an expression and can target a span, and that can be done without using the unsafe keyword. Thus, instead of writing Span<byte> bytes; unsafe { byte* tmp = stackalloc byte[length]; bytes = ne...
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Calculate distance between two latitude-longitude points? (Haversine formula)

...g. I added the call to convert the deltas to radians and it works properly now. I submitted an edit and am waiting for it to be peer reviewed. – Bryan Bedard Dec 4 '11 at 4:53 ...
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What does the git index contain EXACTLY?

... entries. With the new index.threads config setting, the index loading is now faster. As a result (of using IEOT), commit 7bd9631 clean-up the read-cache.c load_cache_entries_threaded() function for Git 2.23 (Q3 2019). See commit 8373037, commit d713e88, commit d92349d, commit 113c29a, commit c95f...
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What are some resources for getting started in operating system development? [closed]

... magazine name) and then asking around for people with a copy. Lastly, I know that usenet is dead (for so sayeth the prophets of internet doom) but you'll find that many of the craggy old experts from that era still live there. You should search google groups (they have dejanews's old repository) ...
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Difference between UTF-8 and UTF-16?

...Wikipedia for details. CVE-2008-2938 CVE-2012-2135 WHATWG and W3C have now declared that only UTF-8 is to be used on the Web. The [security] problems outlined here go away when exclusively using UTF-8, which is one of the many reasons that is now the mandatory encoding for all things. Oth...
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Importing a Maven project into Eclipse from Git

..., so you end up with dozens of copies of the almost-identical package, and now adding an "m2e marketplace" doesn't make things better. – Has QUIT--Anony-Mousse Mar 30 '13 at 12:12 ...
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How to take MySQL database backup using MySQL Workbench?

...eated OR Click on Manage Import/Export option and Select Server Instance. Now, From DATA EXPORT/RESTORE select DATA EXPORT option,Select Schema and Schema Object for backup. You can take generate backup file in different way as given below- Q.1) Backup file(.sql) contains both Create Table statem...
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Draw radius around a point in Google map

I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common. ...
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Does every Core Data Relationship have to have an Inverse?

...alAppType. The relationship is non-optional and has a "deny" delete rule. Now consider the following: SocialApp *socialApp; SocialAppType *appType; // assume entity instances correctly instantiated [socialApp setSocialAppType:appType]; [managedObjectContext deleteObject:appType]; BOOL saved = [ma...