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XMLHttpRequest status 0 (responseText is empty)
... XMLHttpRequest (i.e. as per the original question), because that resource does not (at least, as of 24 Apr 2015) include any such CORS header.
– MikeBeaton
Apr 24 '15 at 8:52
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What are the differences between GPL v2 and GPL v3 licenses? [closed]
...the client. If the copyleft effect is to be extended to ASP use (→ When does independently developed software have to be licensed under the GPL?), the Affero General Public License, Version 3 (AGPL) must be applied that only differs from the GPLv3 in this regard.
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Deleting Objects in JavaScript
...ct, this can cause it to be unreclaimed - even if the rest of your program doesn't actually use that object.
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Xcode 4 - build output directory
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For anyone who wants to find the build directory from a script but does not want to change it, run the following to get a list of all the build settings that point to a folder in DerivedData:
xcodebuild -showBuildSettings | grep DerivedData
If you run custom targets and schemes, please pu...
How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
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This doesn't work for me. All it does is creating .something..txt, as seen in Details tab in file's properties. I am on Windows 7...
– Stam Kaly
Aug 24 '17 at 15:04
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Scala Doubles, and Precision
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Since no-one mentioned the % operator yet, here comes. It only does truncation, and you cannot rely on the return value not to have floating point inaccuracies, but sometimes it's handy:
scala> 1.23456789 - (1.23456789 % 0.01)
res4: Double = 1.23
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Nested defaultdict of defaultdict
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Similar to BrenBarn's solution, but doesn't contain the name of the variable tree twice, so it works even after changes to the variable dictionary:
tree = (lambda f: f(f))(lambda a: (lambda: defaultdict(a(a))))
Then you can create each new x with x = tree()....
How to perform runtime type checking in Dart?
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!= but is!...confuses me not it does
– atreeon
Oct 25 '19 at 18:45
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Deprecated Java HttpClient - How hard can it be?
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IMHO the accepted answer is correct but misses some 'teaching' as it does not explain how to come up with the answer.
For all deprecated classes look at the JavaDoc (if you do not have it either download it or go online), it will hint at which class to use to replace the old code. Of course it...
fatal: could not read Username for 'https://github.com': No such file or directory
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Okay, but why does this occur?
– Gili
Dec 1 '16 at 20:06
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