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Why is using 'eval' a bad practice?
...few reasons:
There is almost always a better way to do it
Very dangerous and insecure
Makes debugging difficult
Slow
In your case you can use setattr instead:
class Song:
"""The class to store the details of each song"""
attsToStore=('Name', 'Artist', 'Album', 'Genre', 'Location')
d...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
... between 5+ multiprocessing Process objects. I've seen numpy-sharedmem and read this discussion on the SciPy list. There seem to be two approaches-- numpy-sharedmem and using a multiprocessing.RawArray() and mapping NumPy dtype s to ctype s. Now, numpy-sharedmem seems to be the way to g...
CSS customized scroll bar in div
...an I customize a scroll bar via CSS (Cascading Style Sheets) for one div and not the whole page?
18 Answers
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Node.js on multi-core machines
... must miss something - isn't Node.js tuned only to run on a single process and thread?
15 Answers
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Can I add jars to maven 2 build classpath without installing them?
Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development.
24 Answers
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windows service vs scheduled task
What are the cons and pros of windows services vs scheduled tasks for running a program repeatedly (e.g. every two minutes)?
...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...
The answer Matt suggests works, but it cause the map to be recreated and redrawn, which isn't always desirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bund...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...-scrollbar pseudo-elements [blog]. You can disable the default appearance and behaviour by setting -webkit-appearance [docs] to none.
Because you're removing the default style, you'll also need to specify the style yourself or the scroll bar will never show up. The following CSS recreates the app...
Add a new element to an array without specifying the index in Bash
...mb Guy points out, it's important to note whether the array starts at zero and is sequential. Since you can make assignments to and unset non-contiguous indices ${#array[@]} is not always the next item at the end of the array.
$ array=(a b c d e f g h)
$ array[42]="i"
$ unset array[2]
$ unset array...
What is an Intent in Android?
... happen. Depending on the intent, apps or the OS might be listening for it and will react accordingly. Think of it as a blast email to a bunch of friends, in which you tell your friend John to do something, or to friends who can do X ("intent filters"), to do X. The other folks will ignore the email...