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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?

...dictionary to a json file from python, but I keep getting the "TypeError: 1425 is not JSON serializable" message. 10 Answer...
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What is the difference between a thread and a fiber?

... 164 In the most simple terms, threads are generally considered to be preemptive (although this may n...
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Django optional url parameters

...| edited Apr 16 '19 at 21:45 l0b0 45.4k1919 gold badges106106 silver badges174174 bronze badges answered...
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How to Rotate a UIImage 90 degrees?

... | edited May 19 '16 at 9:42 user2742371 answered Aug 22 '09 at 22:20 ...
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SQL is null and = null [duplicate]

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Solving a “communications link failure” with JDBC and MySQL [duplicate]

...m in two of my programs. My error was this: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. I spent several days to solve this pro...
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How to send a simple string between two programs using pipes?

... #include <sys/stat.h> #include <unistd.h> #define MAX_BUF 1024 int main() { int fd; char * myfifo = "/tmp/myfifo"; char buf[MAX_BUF]; /* open, read, and display the message from the FIFO */ fd = open(myfifo, O_RDONLY); read(fd, buf, MAX_BUF); printf("Recei...
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What is a good Java library to zip/unzip files? [closed]

... 294 I know its late and there are lots of answers but this zip4j is one of the best libraries for zi...
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Why are #ifndef and #define used in C++ header files?

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What exactly is a Context in Java? [duplicate]

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