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Detect if a NumPy array contains at least one non-numeric value?
...ue
%timeit any_nans(array1M) # 470us
%timeit np.isnan(array1M).any() # 532us
The early-exit method is 3 orders or magnitude speedup (in some cases).
Not too shabby for a simple annotation.
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Can I extend a class using more than 1 class in PHP?
...u really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
class C {
public function method_from_c($s) {
echo $s;
}...
Example for boost shared_mutex (multiple reads/one write)?
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It looks like you would do something like this:
boost::shared_mutex _access;
void reader()
{
// get shared access
boost::shared_lock<boost::shared_mutex> lock(_access);
// now we have shared access
}
void writer()
{
// get upgradable access
boost::upgrade_lock<boos...
How to remove non-alphanumeric characters?
...w what you wanted to do already, you basically defined it as a regex.
preg_replace("/[^A-Za-z0-9 ]/", '', $string);
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How to automatically install Emacs packages by specifying a list of package names?
I am using package to manage my Emacs extensions. In order to synchronize my Emacs settings on different computers, I'd like a way to specify a list of package names in .emacs file and then package could automatically search and install the packages, so that I don't need to install them manual...
How can I get a user's media from Instagram without authenticating as a user?
...n perform https://api.instagram.com/v1/users/[USER ID]/media/recent/?client_id=[CLIENT ID]
[CLIENT ID] would be valid client id registered in app through manage clients (not related to user whatsoever).
You can get [USER ID] from username by performing GET users search request:
https://api.instagra...
How to generate a number of most distinctive colors in R?
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answered Feb 20 '16 at 21:32
MegatronMegatron
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How can I capture the result of var_dump to a string?
... Galperin
81.9k2222 gold badges112112 silver badges132132 bronze badges
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Formatting code in Notepad++
...red Aug 11 '11 at 16:35
user890332user890332
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How to preview git-pull without doing fetch?
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answered Aug 18 '11 at 7:32
MatthiasMatthias
40.8k2828 gold badges9898 silver badges127127 bronze badges
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