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Extract traceback info from an exception object
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How to add a jar in External Libraries in android studio
...file and at end click on Add as library. This will take care of adding compile files('libs/library_name.jar') in build.gradle [You don't have to manually enter this in your build file].
Now you can start using the library in your project.
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Add regression line equation and R^2 on graph
...on
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
lm_eqn <- function(df){
m <- lm(y ~ x, df);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
list(a = format(unname(coef(m)[1]), digi...
List all the modules that are part of a python package?
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How do you specify the Java compiler version in a pom.xml file?
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file_put_contents - failed to open stream: Permission denied
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The other option
is that you can make Apache (www-data), the owner of the folder
sudo chown -R www-data:www-data /var/www
that should make file_put_contents work now. But for more security you better also set the permissions like below
find /var/www -type d -print0 | xa...
Add params to given URL in Python
... given a URL.
It might already have GET parameters (e.g. http://example.com/search?q=question ) or it might not (e.g. http://example.com/ ).
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Override intranet compatibility mode IE8
By default IE8 forces intranet websites into compatibility mode. I tried changing the meta header to IE8, but it doesn't acknowledge the meta header and just uses the browser setting. Does anyone know how to disable this?
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Analyze audio using Fast Fourier Transform
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