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

... I found my problem. The issue was that my integers were actually type numpy.int64. share | improve this answer | follow | ...
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Iterate keys in a C++ map

... If you really need to hide the value that the "real" iterator returns (for example because you want to use your key-iterator with standard algorithms, so that they operate on the keys instead of the pairs), then take a look at Boost's...
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What is this 'Lambda' everyone keeps speaking of?

... 'Lambda' everyone keeps speaking of? A lot of people seem to love it, but all I can gather from it is it is just a way of cramming lots of lines of code into a single expression. ...
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How to check if an object is a generator object in python?

... @JAB, @Piotr: Reflected to address all the possibilities of what the OP can mean , thanks JAB :) – mouad Jun 20 '11 at 19:57 1 ...
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Android: Getting a file URI from a content URI?

... Actually, I just re-read the docs for getContentResolver().openInputStream(), and it works automatically for schemes of "content" or "file", so you don't need to check the scheme... if you can safely assume that it's always going...
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Understanding CUDA grid dimensions, block dimensions and threads organization (simple explanation) [

... threads each: then at a given moment no more than 4*768 threads will be really running in parallel (if you planned more threads, they will be waiting their turn). Software threads are organized in blocks. A block is executed by a multiprocessing unit. The threads of a block can be indentified (in...
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How to set Oracle's Java as the default Java in Ubuntu?

...of the JVM, you don't need to update your .bashrc file, it should automatically point to the new version. If you want to set JAVA_HOME environment variables globally and at system level means use should set in /etc/environment file. ...
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Define make variable at rule execution time

...r are evaluated. In order to create the directory only when out.tar is actually fired, you need to move the directory creation down into the steps: out.tar : $(eval TMP := $(shell mktemp -d)) @echo hi $(TMP)/hi.txt tar -C $(TMP) cf $@ . rm -rf $(TMP) The eval function evaluates a...
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Merge two Git repositories without breaking file history

...ose instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are recorded as new added files. I can see the commit history from the old repositories when I do git log , but if I do git log <file> it shows only one commit for that fil...
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Is there a recommended format for multi-line imports?

... Personally I go with parentheses when importing more than one component and sort them alphabetically. Like so: from Tkinter import ( Button, Canvas, DISABLED, END, Entry, Frame, LEFT, NORMAL, RI...