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ERROR 1396 (HY000): Operation CREATE USER failed for 'jack'@'localhost'
... a bug. It is a documentation conspiracy - docs vary in one critical place from version to version.
13.7.1.2. DROP USER Syntax
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DROP USER user [, user] ...
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DROP USER 'jeffrey'@'localhost';
If you specify only the user name part of the account name, a host name part of '%' is use...
adb server version doesn't match this client
...ion for a virtual device?
if yes this error probably came out because ADB from Genymotion conflicted with your ADB from Android SDK(using same port number), to fix this simply go to settings => choose ADB tab => click on the option Use custom Android SDK Tools and set your SDK folder
after...
Method Resolution Order (MRO) in new-style classes?
... H
# (In this example, A is a child of B, so imagine an edge going FROM A TO B)
# 2. Remove all classes that aren't eventually inherited by A
# A^
# / | \
# / | \
# B^ C^ D^
# / | \ /
# / | X
# / |/ \
# E^ F^ G^
# ...
How to initialize an array in Java?
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When you create an array of size 10 it allocated 10 slots but from 0 to 9.
This for loop might help you see that a little better.
public class Array {
int[] data = new int[10];
/** Creates a new instance of an int Array */
public Array() {
for(int i = 0; i < dat...
When should I use std::thread::detach?
... I would call pthread_exit(NULL); in main() then exit() wouldn't be called from main() and hence program will continue execution until all detached threads would complete. Then exit() would be called.
– southerton
Jun 12 '15 at 11:21
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Redirect stdout to a file in Python?
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It doesn't work with from sys import stdout, maybe because it creates a local copy. Also you can use it with with, e.g. with open('file', 'w') as sys.stdout: functionThatPrints(). You can now implement functionThatPrints() using normal print stat...
Entity Framework Code First - two Foreign Keys from same table
...s something you have to handle in your application and not in the mapping. From the mapping perspective, pairs are allowed to play twice (each is guest and home once).
– Ladislav Mrnka
Jun 8 '13 at 22:08
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What is the proper declaration of main?
...? What is the correct return type, and what does it mean to return a value from main ? What are the allowed parameter types, and what are their meanings?
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“Unknown provider: aProvider
...point will be hit and you can jump up the call stack. There will be a call from invoke in injector.js, recognizable from the "Incorrect injection token" string:
The locals parameter (mangled to d in my code) gives a pretty good idea about which object in your source is the problem:
A quick gre...
How to show git log history for a sub directory of a git repo?
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From directory foo/, use
git log -- A
You need the '--' to separate <path>.. from the <since>..<until> refspecs.
# Show changes for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X...