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How to fix getImageData() error The canvas has been tainted by cross-origin data?
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As others have said you are "tainting" the canvas by loading from a cross origins domain.
https://developer.mozilla.org/en-US/docs/HTML/CORS_Enabled_Image
However, you may be able to prevent this by simply setting:
img.crossOrigin = "Anonymous";
This only works if the remote serve...
How to remove newlines from beginning and end of a string?
...the best way to keep the part with text, but remove the whitespace newline from the end?
10 Answers
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Python's many ways of string formatting — are the older ones (going to be) deprecated?
... more, the most recent change to that paragraph, in March 2017, changed it from this...
The formatting operations described here exhibit a variety of quirks that lead to a number of common errors (such as failing to display tuples and dictionaries correctly). Using the newer formatted string lit...
How to turn on/off ReactJS 'development mode'?
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The other answer assumes you are using external pre-built files from react, and while correct that is not how most folks are going to or should consume React as a package. Moreover, at this point most every React library and package also relies on the same convention to toggle dev time he...
What is the exact problem with multiple inheritance?
...efine a method doSomething. Now you define a third class C, which inherits from both A and B, but you don't override the doSomething method.
When the compiler seed this code...
C c = new C();
c.doSomething();
...which implementation of the method should it use? Without any further clarification,...
How to avoid circular imports in Python? [duplicate]
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Only import the module, don't import from the module:
Consider a.py:
import b
class A:
def bar(self):
return b.B()
and b.py:
import a
class B:
def bar(self):
return a.A()
This works perfectly fine.
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how to log in to mysql and query the database from linux terminal
...er as well as other user.
I can connect to mysql database on linux machine from windows machine using sqlyog.
Now I want to execute queries on linux machine only using linux terminal
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Read an Excel file directly from a R script
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Yes. See the relevant page on the R wiki. Short answer: read.xls from the gdata package works most of the time (although you need to have Perl installed on your system -- usually already true on MacOS and Linux, but takes an extra step on Windows, i.e. see http://strawberryperl.com/). Ther...
Embedding ads on Android app?
...inking that my users would be upset, but I have not received one complaint from over 500,000 active installations.
The only permission that you need to add for either ad SDK to work is the android.permission.INTERNET permission.
Admob is open for anyone above the age of 18 to use, just download ...
Is it possible to prevent an NSURLRequest from caching data or remove cached data following a reques
...or days and finally tried to prevent caching since a lot of CFURL* objects from the internal framework were hanging around. Returning nil from willCacheResponse was the only thing that worked!
– Bron Davies
Sep 30 '10 at 19:37
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