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What is the difference between NaN and None?
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Is <NA> also an np.nan?
– Gathide
May 6 at 5:06
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Does uninstalling a package with “pip” also remove the dependent packages?
... answered Jun 4 at 15:26
david daviddavid david
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...aded true operator.
The || operator will invoke the true operator to decide whether to evaluate the right-hand side, and then the if statement will invoke the true operator to decide whether to evaluate the its body. For a normal bool, these will always return the same result and so exactly one ...
Revert a range of commits in git
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Doing git revert OLDER_COMMIT^..NEWER_COMMIT didn't work for me.
I used git revert -n OLDER_COMMIT^..NEWER_COMMIT and everything is good. I'm using git version 1.7.9.6.
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What is the difference between min SDK version/target SDK version vs. compile SDK version?
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The min sdk version is the earliest release of the Android SDK that your application can run on. Usually this is because of a problem with the earlier APIs, lacking functionality, or some other behavioural issue.
The target sdk version is the version your application was targeted...
Why does find -exec mv {} ./target/ + not work?
...file. The command is executed in the starting directory. There are unavoidable security problems surrounding use of the -exec action; you should use the -execdir option instead.
-exec command {} +
This variant of the -exec action runs the specified command on the selected files, but the...
Turn a simple socket into an SSL socket
...;
#include <openssl/err.h>
You will need to initialize OpenSSL:
void InitializeSSL()
{
SSL_load_error_strings();
SSL_library_init();
OpenSSL_add_all_algorithms();
}
void DestroySSL()
{
ERR_free_strings();
EVP_cleanup();
}
void ShutdownSSL()
{
SSL_shutdown(cSSL);
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars
...ies:
edgesForExtendedLayout
Basically, with this property you set which sides of your view can be extended to cover the whole screen. Imagine that you push a UIViewController into a UINavigationController. When the view of that view controller is laid out, it will start where the navigation bar en...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
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Firefox renders all of the above spaces as the same width, wider than one space in the font, except for nbsp, where it renders as one space and imposes the non-breaking character. A real shame. There are cases where only a character will do, for instance when padding is being c...
What is the difference between Numpy's array() and asarray() functions?
...ions? When should you use one rather than the other? They seem to generate identical output for all the inputs I can think of.
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