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Difference between numpy.array shape (R, 1) and (R,)
...turn (R,) . This will make matrix multiplication more tedious since explicit reshape is required. For example, given a matrix M , if we want to do numpy.dot(M[:,0], numpy.ones((1, R))) where R is the number of rows (of course, the same issue also occurs column-wise). We will get matrices ar...
django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
...
It looks like you don't have the python mysql package installed, try:
pip install mysql-python
or if not using a virtual environment (on *nix hosts):
sudo pip install mysql-python
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Installing SciPy with pip
It is possible to install NumPy with pip using pip install numpy .
15 Answers
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Should IBOutlets be strong or weak under ARC?
... And the last option I want to point out is the storage type, which can
either be strong or weak. In general you should make your outlet
strong, especially if you are connecting an outlet to a subview or to
a constraint that's not always going to be retained by the view
hierarchy. The only t...
How to convert all tables from MyISAM into InnoDB?
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edited Mar 1 at 3:42
Bhargav Rao♦
37.9k2424 gold badges108108 silver badges126126 bronze badges
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MySQL - UPDATE query based on SELECT Query
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edited Nov 26 '18 at 0:51
Valerian Pereira
63711 gold badge66 silver badges1515 bronze badges
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How to use UIVisualEffectView to Blur Image?
...bjective-C:
UIVisualEffect *blurEffect;
blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
UIVisualEffectView *visualEffectView;
visualEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
visualEffectView.frame = imageView.bounds;
[imageView addSubview:visualEffec...
How to search a Git repository by commit message?
I checked some source code into GIT with the commit message "Build 0051".
11 Answers
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Command to remove all npm modules globally?
...modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm
Here is how it works:
npm ls -gp --depth=0 lists all global top level modules (see the cli documentation for ls)
awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' prints all modules that are not actually npm itself (does not e...
How does zip(*[iter(s)]*n) work in Python?
How does zip(*[iter(s)]*n) work? What would it look like if it was written with more verbose code?
6 Answers
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