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Hidden features of WPF and XAML?
Here is a large number of hidden features discussed for variety of languages. Now I am curious about some hidden features of XAML and WPF?
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Is std::vector copying the objects with a push_back?
...p was passed to the vector. See here: coliru.stacked-crooked.com/a/99d4f04f05e5c7f3
– Karl Nicoll
Dec 10 '19 at 10:18
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Split a module across several files
...d the module. Add a mod math; in main.rs. If you don't do that, you get an error message from the compiler when importing like this:
error: unresolved import `math::Matrix`. Maybe a missing `extern crate math`?
The hint is misleading here. There's no need for additional crates, except of course y...
Solving “Who owns the Zebra” programmatically?
Edit: this puzzle is also known as "Einstein's Riddle"
14 Answers
14
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Reflection - get attribute name and value on property
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You will get a: Error 1775 Member 'Namespace.FieldName ' cannot be accessed with an instance reference; qualify it with a type name instead. If you need to do this, I suggest to change 'const' to 'readonly'.
– Mikael E...
How can I plot with 2 different y-axes?
...# set up some fake test data
time <- seq(0,72,12)
betagal.abs <- c(0.05,0.18,0.25,0.31,0.32,0.34,0.35)
cell.density <- c(0,1000,2000,3000,4000,5000,6000)
## add extra space to right margin of plot within frame
par(mar=c(5, 4, 4, 6) + 0.1)
## Plot first set of data and draw its axis
plot(t...
How to check if mod_rewrite is enabled in php?
I was wondering if it is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP .
15 Answers
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pandas resample documentation
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edited May 31 '19 at 10:05
answered Jun 8 '13 at 16:20
Ma...
Python Pandas merge only certain columns
...ng this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [columns]" .
– CoolDocMan
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Call int() function on every list element?
I have a list with numeric strings, like so:
7 Answers
7
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