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How to add an extra column to a NumPy array

...for a way to add a bias unit to my artificial neuronal network in batch on all layers at once, and this is the perfect answer. – gaborous Aug 18 '16 at 15:07 ...
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relative path in require_once doesn't work

... Note that you should manually include the trailing slash in after __DIR__. So: require_once(__DIR__.'/../class/user.php'); Per the documentation, the trailing slash is omitted except for the root directory. – Ariel Allon ...
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Programmatically generate video or animated GIF in Python?

I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
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What are the best JVM settings for Eclipse? [closed]

...jvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Declipse.p2.unsignedPolicy=allow -Xms128m -Xmx384m -Xss4m -XX:PermSize=128m -XX:MaxPermSize=384m -XX:CompileThreshold=5 -XX:MaxGCPauseMillis=10 -XX:MaxHeapFreeRatio=70 -XX:+CMSIncrementalPacing -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseFast...
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How can I create directory tree in C++/Linux?

...C++ compilers. /* @(#)File: mkpath.c @(#)Purpose: Create all directories in path @(#)Author: J Leffler @(#)Copyright: (C) JLSS 1990-2020 @(#)Derivation: mkpath.c 1.16 2020/06/19 15:08:10 */ /*TABSTOP=4*/ #include "posixver.h" #include "mkpath.h" #include "emalloc...
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How can I force division to be floating point? Division keeps rounding down to 0?

... a floating point number in Python in the following? c = a / b What is really being asked here is: "How do I force true division such that a / b will return a fraction?" Upgrade to Python 3 In Python 3, to get true division, you simply do a / b. >>> 1/2 0.5 Floor division, the classic di...
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Getting the class name of an instance?

...note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both: x.__class__.__name__ share ...
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Why use def main()? [duplicate]

...ink I still have something else to add. Reasons to have that if statement calling main() (in no particular order): Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for ...
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How do you detect where two line segments intersect? [closed]

...f r × s = 0 and (q − p) × r ≠ 0, then the two lines are parallel and non-intersecting. If r × s ≠ 0 and 0 ≤ t ≤ 1 and 0 ≤ u ≤ 1, the two line segments meet at the point p + t r = q + u s. Otherwise, the two line segments are not parallel but do not intersect....
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Creating a dynamic choice field

...ted May 27 '16 at 18:04 Tim Tisdall 8,27033 gold badges4141 silver badges6767 bronze badges answered Aug 6 '10 at 2:17 ...