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The 'json' native gem requires installed build tools
...l the JSON gem using the command, "gem install json" and got the following error.
8 Answers
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Log exception with traceback
How can I log my Python errors?
10 Answers
10
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
...er doing the cygwinccompiler.py hack explained here ), but get a fatal error: numpy/arrayobject.h: No such file or directory...compilation terminated error. Can anyone tell me if it's a problem with my code, or some esoteric subtlety with Cython?
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...nReceipt:receipt success:successBlock failure:failureBlock];
} failure:^(NSError *error) {
[self failWithBlock:failureBlock error:error];
}];
Getting the receipt data
The receipt is in [[NSBundle mainBundle] appStoreReceiptURL] and is actually a PCKS7 container. I suck at cryptography so I us...
How to prevent logback from outputting its own status at the start of every log when using a layout
This seems like a carelessness error, but I can't seem to find the cause. Logging with logback/slf4j (most recent version slf4j-api-1.6.1, logback core/classic 0.9.24). Simplest log configuration for testing is:
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How to fix PCH error?
When I try to build my app in Xcode , I get this error message:
22 Answers
22
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TypeError: got multiple values for argument
I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...
What's the algorithm to calculate aspect ratio?
...(self.width / common) + ':' + str(self.height / common)
self.ratio_error = 0
# Special case: ratio is not well behaved
if not self.ratio in accepted_ratios:
lesser_error = 999
lesser_index = -1
my_ratio_normalized = float(self.width) / flo...
‘ld: warning: directory not found for option’
... this:
Click on your project (targets)
Click on Build Settings
if your error includes the -L flag, then delete the values in Library Search Paths
if your error includes the -F flag, then delete the values in Framework Search Paths
And regarding the second error, sorry i can't help you out w...
dplyr: “Error in n(): function should not be called directly”
... to reproduce one of the examples in the dplyr package but am getting this error message. I am expecting to see a new column n produced with the frequency of each combination. What am I missing? I triple checked that the package is loaded.
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