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Relative imports in Python 3
...
unfortunately, this module needs to be inside the package, and it also
needs to be runnable as a script, sometimes. Any idea how I could
achieve that?
It's quite common to have a layout like this...
main.py
mypackage/
__init__.py
mymodule.py
myothermodule.py
...w...
What are the differences between a pointer variable and a reference variable in C++?
...t pointer's target can be replaced by taking its address and using a const cast.
A reference's target cannot be replaced in any way short of UB.
This should permit the compiler to do more optimization on a reference.
share...
Library not loaded: libmysqlclient.16.dylib error when trying to run 'rails server' on OS X 10.6 wit
...never able to get any of these answers to work for me, but this is the command that I used to make it work for me. This way you don't need to use install_name_tool every time you update your mysql
sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
...
Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
...class implements a interface, so once I instantiate the class, I will then cast it to the interface.
13 Answers
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How to write binary data to stdout in python 3?
...ike using shutil.copyfileobj even when the source file object gives bytes, and not strings. +1
– csl
Jun 19 '15 at 14:45
1
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Mathematical functions in Swift
...an import only Darwin.
import Darwin
If you want mathematical functions and other standard classes and functions. You can import Foundation.
import Foundation
If you want everything and also classes for user interface, it depends if your playground is for OS X or iOS.
For OS X, you need impor...
Getting the thread ID from a thread
...t work with managed threads, I'm sure, all you need to find is the thread handle and pass it to that function.
GetCurrentThreadId returns the ID of the current thread.
GetCurrentThreadId has been deprecated as of .NET 2.0: the recommended way is the Thread.CurrentThread.ManagedThreadId property.
...
MYSQL Truncated incorrect DOUBLE value
...table1
WHERE 1
ORDER BY value1+0
The problem is ORDER BY value1+0 - type casting.
I know that it does not answer the question but this is the first result on Google for this error and it should have other examples where this error presents itself.
...
MySQL - UPDATE query based on SELECT Query
...UPDATE
receipt_invoices dest,
(
SELECT
`receipt_id`,
CAST((net * 100) / 112 AS DECIMAL (11, 2)) witoutvat
FROM
receipt
WHERE CAST((net * 100) / 112 AS DECIMAL (11, 2)) != total
AND vat_percentage = 12
) src
SET
dest.price = src.witoutvat,
dest.amou...
How can I convert a zero-terminated byte array to string?
...
Just to be clear though, this is casting a sequence of bytes to something that is hopefully a valid UTF-8 string (and not say, Latin-1 etc., or some malformed UTF-8 sequence). Go will not check this for you when you cast.
– Cameron Kerr...