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Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
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To answer your main question, the CORS spec only requires the OPTIONS call to precede the POST or GET if the POST or GET has any non-simple content or headers in it.
Content-Types that require a CORS pre-flight request (the OPTIONS call) are any Content-Type except the following:
application/...
Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
I was trying run gem install json and got the following error
10 Answers
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How to change background color in android app
... but isn't it easier just to use the hex value?
– the_prole
Jun 21 '14 at 9:31
it would be very easy, but bad practice...
Extract a dplyr tbl column as a vector
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This seems the most versatile method as it works identically with vectors and data.frames, i.e. it enables functions to be more agnostic.
– geotheory
Mar 14 '17 at 10:03
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Is there any way to git checkout previous branch?
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wow, I totally should have just tried it! figured - was a shell-ism, and that if the functionality was in git, it would be something different
– Matt Briggs
Aug 26 '11 at 16:17
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How to make CSS width to fill parent?
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EDIT:
Those three different elements all have different rendering rules.
So for:
table#bar you need to set the width to 100% otherwise it will be only be as wide as it determines it needs to be. However, if the table rows total width is greater than the width ...
Android SDK on a 64-bit linux machine
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Yes, it is. You need to install the ia32 libraries. Check out the Ubuntu Linux troubleshooting section.
apt-get install ia32-libs
apt-get install sun-java6-jdk
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How do I check if an element is really visible with JavaScript? [duplicate]
In JavaScript, how would you check if an element is actually visible?
16 Answers
16
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Creating a zero-filled pandas data frame
... try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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void in C# generics?
...nctions need to return null, but if it unifies your code, it should be a small price to pay.
This inability to use void as a return type is at least partially responsible for a split between the Func<...> and Action<...> families of generic delegates: had it been possible to return void...