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How to copy a row and insert in same table with a autoincrement field in MySQL?
In MySQL I am trying to copy a row with an autoincrement column ID=1 and insert the data into same table as a new row with column ID=2 .
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No output to console from a WPF application?
...reate a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work).
Here's a complete source code example, of how a ConsoleManager class might look like, and how it ...
How to place div side by side
...> Right </div>
</div>
</div>
There are more methods, but those two are the most popular.
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Different ways of loading a file as an InputStream
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There are subtle differences as to how the fileName you are passing is interpreted. Basically, you have 2 different methods: ClassLoader.getResourceAsStream() and Class.getResourceAsStream(). These two methods will locate the resource differently.
In Class.getResourceAsStre...
Do spurious wakeups in Java actually happen?
...erienced such kind of a wakeup (assuming a decent hardware/software environment for example)?
7 Answers
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How to set warning level in CMake?
...le_options command instead. Check the mrts' answer which presents the recommended best practice.
You can do something similar to this:
if(MSVC)
# Force to always compile with W4
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")...
How to toggle a boolean?
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@user2846569, if you're toggling the boolean, that means that by nature the variable has already been initialized. You could expand it to bool = !bool || true; to have a default, I suppose.
– Jordan
May 22 '14 at 0:53
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...() (also pd.isna(), in newer versions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for:
NaN in numeric arrays, None/NaN in object arrays
Quick example:
import pandas as pd
import numpy as np
s = pd.Series(['apple', np.nan, 'banana'])
p...
Setting the correct encoding when piping stdout in Python
... Python interpreter gets confused about encoding and sets it to None. This means a program like this:
10 Answers
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target input by type and name (selector)
I need to change some checkbox inputs to hidden inputs for some but not all inputs on a page.
3 Answers
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