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Redirect stdout pipe of child process in Go
...laimer: not tested.)
By the way, you'll probably want to capture standard-error as well, by using the same approach as for standard-output, but with cmd.StderrPipe and os.Stderr.
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Is there a simple, elegant way to define singletons? [duplicate]
...
class Foo:
def __init__(self):
print 'Foo created'
f = Foo() # Error, this isn't how you get the instance of a singleton
f = Foo.instance() # Good. Being explicit is in line with the Python Zen
g = Foo.instance() # Returns already created instance
print f is g # True
And here's the c...
How can I turn a List of Lists into a List in Java 8?
...ct>> , how can I turn that into a List<Object> that contains all the objects in the same iteration order by using the features of Java 8?
...
How to install pip for Python 3 on Mac OS X?
...install)"
then:
brew doctor
The last step gives you some warnings and errors that you have to resolve. One of those will be to download and install the Mac OS X command-line tools.
then:
brew install python3
This gave me python3 and pip3 in my path.
pieter$ which pip3 python3
/usr/local/bi...
How to pinch out in iOS simulator when map view is only a portion of the screen?
...
GlennGlenn
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Are there any standard exit status codes in Linux?
... another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
255: Exit status ou...
Split a module across several files
...d the module. Add a mod math; in main.rs. If you don't do that, you get an error message from the compiler when importing like this:
error: unresolved import `math::Matrix`. Maybe a missing `extern crate math`?
The hint is misleading here. There's no need for additional crates, except of course y...
What is the difference between MOV and LEA?
...reas MOV loads the actual value at that address.
The purpose of LEA is to allow one to perform a non-trivial address calculation and store the result [for later usage]
LEA ax, [BP+SI+5] ; Compute address of value
MOV ax, [BP+SI+5] ; Load value at that address
Where there are just constants invo...
Can't pickle when using multiprocessing Pool.map()
...some way, anyhow: Using the code at pastebin.ca/1693348 I now get a RuntimeError: maximum recursion depth exceeded. I looked around and one forum post recommended increasing the maximum depth to 1500 (from the default 1000) but I had no joy there. To be honest, I can't see what part (of my code, at ...
Sending email with PHP from an SMTP server
I have trouble sending email in PHP. I get an error: SMTP server response: 530 SMTP authentication is required .
8 Answers...