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Easiest way to copy a table from one database to another?
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The copied table did not have primary key and auto increment set. You have to run this after ALTER TABLE db1.table1 ADD PRIMARY KEY (id); ALTER TABLE db1.table1 MODIFY COLUMN id INT AUTO_INCREMENT;
– Weston Ganger
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The transaction manager has disabled its support for remote/network transactions
... make sure you use the same open connection for all the database calls inside the transaction.
– Magnus
Apr 12 '12 at 20:50
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Changing website favicon dynamically
...nyway, you can remove shortcut from the rel attribute. shortcut is an invalid IE-proprietary link relation!
– Mathias Bynens
Jun 7 '10 at 12:45
8
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What is the maximum recursion depth in Python, and how to increase it?
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as a tactic to convert it to an iterative version, a tail call optimization decorator could be used
– jfs
Oct 14 '14 at 18:28
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Breadth First Vs Depth First
...er.
For depth first use a stack. (The recursive implementation uses the call-stack...)
For breadth-first use a queue.
The recursive implementation looks like
ProcessNode(Node)
Work on the payload Node
Foreach child of Node
ProcessNode(child)
/* Alternate time to work on the pa...
Code Golf: Collatz Conjecture
...esp+0x04], 2
jne .usage
mov ebx, [esp+0x08]
push dword [ebx+0x04]
call atoi
add esp, 4
cmp eax, 0
je .usage
mov ebx, eax
push eax
push msg
.loop:
mov [esp+0x04], ebx
call printf
test ebx, 0x01
jz .even
.odd:
lea ebx, [1+ebx*2+ebx]
jmp .loop
.even:
shr ebx, 1...
How can I easily fixup a past commit?
...ixup ' workflow I asked for:
#!/usr/bin/env python
from subprocess import call
import sys
# Taken from http://stackoverflow.com/questions/377017/test-if-executable-exists-in python
def which(program):
import os
def is_exe(fpath):
return os.path.exists(fpath) and os.access(fpath, os...
$(document).ready shorthand
...ast the $ variable to its own block so it doesn't cause conflicts. You typically see the pattern used by jQuery plugins to ensure that $ == jQuery.
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How to chain scope queries with OR instead of AND?
...("name = ? OR lastname = ?", 'John', 'Smith')
– CambridgeMike
Nov 9 '11 at 3:55
6
This is still a...
How do you declare an interface in C++?
...structor with a body. The advantage here is that the compiler can, theoretically, see that vtable has no valid members now, and discard it altogether. With a virtual destructor with a body, said destructor can be called (virtually) e.g. in the middle of construction via this pointer (when constructe...