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Python multiprocessing PicklingError: Can't pickle
... the one you posted:
Exception in thread Thread-2:
Traceback (most recent call last):
File "/usr/lib/python2.7/threading.py", line 552, in __bootstrap_inner
self.run()
File "/usr/lib/python2.7/threading.py", line 505, in run
self.__target(*self.__args, **self.__kwargs)
File "/usr/lib/...
How to set delay in android?
...
public class Utils {
// Delay mechanism
public interface DelayCallback{
void afterDelay();
}
public static void delay(int secs, final DelayCallback delayCallback){
Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Overrid...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
All of these provide binary serialization, RPC frameworks and IDL. I'm interested in key differences between them and characteristics (performance, ease of use, programming languages support).
...
“implements Runnable” vs “extends Thread” in Java
...e just giving it something to run. That means composition is the philosophically "purer" way to go.
In practical terms, it means you can implement Runnable and extend from another class as well.
share
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UTF-8 all the way through
...et on all tables and text columns in your database. This makes MySQL physically store and retrieve values encoded natively in UTF-8. Note that MySQL will implicitly use utf8mb4 encoding if a utf8mb4_* collation is specified (without any explicit character set).
In older versions of MySQL (< 5....
Creating an empty list in Python
...y only apply if there is an arg. It's even possible that the C code for [] calls the same C code as list(). In any case the time involved in (c) would be tiny compared with (a) + (b).
– John Machin
Jun 4 '10 at 9:57
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How to train an artificial neural network to play Diablo 2 using visual input?
...ntifying objects in-game if you're accepting suggestions. But first, let's call this project for what you want it to be: a smart-bot.
One method for implementing bots accesses the memory of the game client to find relevant information, such as the location of the character on the screen and it's h...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...o always install if you set it as a prerequisite.
Of course you can still call MsiQueryProductState to check if the VC redist package is installed via MSI, The package code can be found by running
wmic product get
at command line, or if you are already at wmic:root\cli, run
product where "Cap...
How to get the Parent's parent directory in Powershell?
...ame
Version for a file
If $scriptPath points to a file then you have to call Directory property on it first, so the call would look like this
(get-item $scriptPath).Directory.Parent.Parent.FullName
Remarks
This will only work if $scriptPath exists. Otherwise you have to use Split-Path cmdlet.
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UnboundLocalError on local variable when reassigned after first use
...echanism for locals is fundamentally different for globals - they are statically assigned an offset in the frame's variables table, meaning lookup is a quick index, rather than the more expensive dict lookup as for globals. Because of this, Python is reading the print a line as "get the value of lo...