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Removing index column in pandas when reading a csv
...When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column?
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Python: Get relative path from comparing two absolute paths
...te paths. I need to check if the location referring to by one of the paths is a descendant of the other. If true, I need to find out the relative path of the descendant from the ancestor. What's a good way to implement this in Python? Any library that I can benefit from?
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Moving decimal places over in a double
...ould use rounding or expect to see some rounding errors. If you can't do this, use BigDecimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1...
Repository Pattern vs DAL
Are they the same thing? Just finished to watch Rob Connery's Storefront tutorial and they seem to be similar techinques. I mean, when I implement a DAL object I have the GetStuff, Add/Delete etc methods and I always write the interface first so that I can switch db later.
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HTML Form: Select-Option vs Datalist-Option
I was wondering what the differences are between Select-Option and Datalist-Option. Is there any situation in which it would be better to use one or the other? An example of each follows:
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App Inventor 2 扩展 · App Inventor 2 中文网
...ndroid devices running API Level 8 (Android system 2.2 Froyo) and above. This applies to creating extensions, building projects that import extensions, and running packaged APKs of projects that use extensions. Extensions are not (yet) supported in iOS.
Overview of App Inventor extension c...
Why is JavaScript called JavaScript, since it has nothing to do with Java? [closed]
Since JavaScript is not derived from Java, why does it have "Java" in the name?
10 Answers
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Are database triggers evil? [closed]
...ntil they hurt you with unintended (and very mysterious) consequences.
This just means they need to be carefully used for the proper circumstances; which in my experience is limited to relational integrity issues (sometimes with finer granularity than you can get declaratively); and usually not fo...
javascript check for not null
Below is a code snippet, where we retrieve a form value.
Before further processing check if the value is not null..
10 Answ...
How to unmount a busy device
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YES!! There is a way to detach a busy device immediately (even if it is busy and cannot be unmounted forcefully). You may cleanup all later:
umount -l /PATH/OF/BUSY-DEVICE
umount -f /PATH/OF/BUSY-NFS (NETWORK-FILE-SYSTEM)
NOTE:
These c...