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How to use C++ in Go
...e makefile is no longer required. The unsafe.Pointer wrappers did not work for me. A slight modification compiled for me: play.golang.org/p/hKuKV51cRp go test should work without the makefile
– Drew
Jun 21 '15 at 21:00
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How do you echo a 4-digit Unicode character in Bash?
...pit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
18 Answers
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How can I check if a Perl array contains a particular value?
I am trying to figure out a way of checking for the existence of a value in an array without iterating through the array.
1...
How to list all functions in a Python module?
...em the class you wish to see the documentation of. They can also generate, for instance, HTML output and write it to disk.
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How to reshape data from long to wide format
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reshape is an outstanding example for a horrible function API. It is very close to useless.
– NoBackingDown
Oct 26 '17 at 15:18
15
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Get Android .apk file VersionName or VersionCode WITHOUT installing apk
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Following worked for me from the command line:
aapt dump badging myapp.apk
NOTE: aapt.exe is found in a build-tools sub-folder of SDK. For example:
<sdk_path>/build-tools/23.0.2/aapt.exe
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What is the Python equivalent of Matlab's tic and toc functions?
...ople have been using the unix time command to measure runtimes of programs for ever, and this method replicates this inside Python code. I see nothing wrong with it, as long as it's the right tool for the job. timeit isn't always that, and a profiler is a much more heavyweight solution for most need...
Submitting a multidimensional array via POST with php
I have a php form that has a known number of columns (ex. top diameter, bottom diameter, fabric, colour, quantity), but has an unknown number of rows, as users can add rows as they need.
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How to find where a method is defined at runtime?
...this from Dave Thomas while teaching Advanced Ruby Studio
# Makes the case for separating method definitions into
# modules, especially when enhancing built-in classes.
module Perpetrator
def crime
end
end
class Fixnum
include Perpetrator
end
p 2.method(:crime) # The "2" here is an instance ...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...title>Test</title>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<input type="file" name="my_file[]" multiple>
<input type="submit" value="Upload">
</form>
<?php
if...