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What is the relationship between Looper, Handler and MessageQueue in Android?
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A Looper is a message handling loop: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runna...
iterating over and removing from a map [duplicate]
...of iterating over the entry set. Its not very obvious though that removing from the key set removes things from the map (i.e. the key set can be a copy)
– Gennadiy
Dec 10 '09 at 23:43
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How do you print in a Go test using the “testing” package?
...ags
-v
Verbose output: log all tests as they are run. Also print all
text from Log and Logf calls even if the test succeeds.
Package testing
func (*T) Log
func (c *T) Log(args ...interface{})
Log formats its arguments using default formatting, analogous to Println, and records t...
SPA best practices for authentication and session management
...ent form, at length, here:
RESTful Authentication
But this addresses it from the server-side. Let's look at this from the client-side. Before we do that, though, there's an important prelude:
Javascript Crypto is Hopeless
Matasano's article on this is famous, but the lessons contained therein a...
How to convert a std::string to const char* or char*?
... you could, but strdup is not a c or c++ standard function, it's from posix :)
– Johannes Schaub - litb
Dec 7 '08 at 20:39
14
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“Register” an .exe so you can run it from any command line in Windows
How can you make a .exe file accessible from any location in the Windows command window? Is there some registry entry that has to be entered?
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system(“pause”); - Why is it wrong?
...nstead to get around a feature of the IDE/OS - the console window launched from Visual Studio closes when the program has finished execution, and so the new user doesn't get to see the output of his new program.
Bodging in System("pause") runs the Windows command-line "pause" program and waits for ...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
...ew problems with your code:
On Arrays.asList returning a fixed-size list
From the API:
Arrays.asList: Returns a fixed-size list backed by the specified array.
You can't add to it; you can't remove from it. You can't structurally modify the List.
Fix
Create a LinkedList, which supports fast...
Python Process Pool non-daemonic?
...p-level
# multiprocessing module.
import multiprocessing.pool
import time
from random import randint
class NoDaemonProcess(multiprocessing.Process):
# make 'daemon' attribute always return False
def _get_daemon(self):
return False
def _set_daemon(self, value):
pass
...
Removing the remembered login and password list in SQL Server Management Studio
... you can remove Remove cached login via How to remove cached server names from the Connect to Server dialog?. Just confirmed this delete in MRU list works fine in 2016 and 2017.
SQL Server Management Studio 2017 delete the file
C:\Users\%username%\AppData\Roaming\Microsoft\SQL Server Management St...