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

...und my problem. The issue was that my integers were actually type numpy.int64. share | improve this answer | follow | ...
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CSS table layout: why does table-row not accept a margin?

... Vadim Ovchinnikov 9,92644 gold badges3939 silver badges6969 bronze badges answered Apr 4 '13 at 0:09 MuffinTheManMuffinTheM...
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How to deal with SettingWithCopyWarning in Pandas?

...etitem__ operation may not work. In general, you should use loc for label-based assignment, and iloc for integer/positional based assignment, as the spec guarantees that they always operate on the original. Additionally, for setting a single cell, you should use at and iat. More can be found in th...
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Different floating point result with optimization enabled - compiler bug?

...finite precision, or if you were working with a device that used a decimal-based rather than binary-based floating point representation. But, you aren't. Most computers use the binary IEEE floating point standard. As Maxim Yegorushkin already noted in his answer, part of the problem is that intern...
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How to keep environment variables when using sudo

...d sudo VAR1="$VAR1" ... VAR42="$VAR42" "$@" was long and ugly in my case demo.sh #!/bin/bash function sudo_exports(){ eval sudo $(for x in $_EXPORTS; do printf '%q=%q ' "$x" "${!x}"; done;) "$@" } # create a test script to call as sudo echo 'echo Forty-Two is $VAR42' > sudo_test.sh chmod...
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Hadoop “Unable to load native-hadoop library for your platform” warning

... I assume you're running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit. Anyway, it's just a warning, and won't impact Hadoop's functionalities. ...
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Can I install Python windows packages into virtualenvs?

... I tried to do this, but got an error wheel convert numpy-MKL-1.8.1.win-amd64-py2.7.exe then pip install numpy-1.8.1-cp27-none-win_amd64.whl i get the following error Downloading/unpacking numpy-1.8.1-cp27-none-win-amd64.whl Could not find any downloads that satisfy the requirement numpy-1.8.1-cp...
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Error to run Android Studio

..._91" Java(TM) SE Runtime Environment (build 1.8.0_91-b14) Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode) Check what compiler is used javac -version It should show something like this javac 1.8.0_91 Finally, add JAVA_HOME to the environment variable Edit /etc/environment and...
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Is there a replacement for unistd.h for Windows (Visual C)?

...t your app and consider whether to call e.g. closesocket(). */ #ifdef _WIN64 #define ssize_t __int64 #else #define ssize_t long #endif #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 /* should be in some equivalent to <sys/types.h> */ typedef __int8 int8_t; ...
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What is the difference between Cygwin and MinGW?

...for Windows. About Cygwin The purpose of Cygwin is to make porting Unix-based applications to Windows much easier, by emulating many of the small details that Unix-based operating systems provide, and are documented by the POSIX standards. Your application can use Unix feature such as pipes, Uni...