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Python: Is it bad form to raise exceptions within __init__?
...t have been designed with exception safety in mind, the destructor is not called if an exception is thrown in the constructor of an object (meaning that the initialization of the object is incomplete). This is often not the case in scripting languages, such as Python. For example, the following code...
Delete column from pandas DataFrame
...
This answer isn't really correct - the pandas developers didn't, but that doesn't mean it is hard to do.
– wizzwizz4
Sep 30 '17 at 9:42
...
git add, commit and push commands in one?
...ing multiple args, and also goes against the normal convention of a single string arg with spaces being wrapped in quotes. This is second nature to me at this point (and I would assume a lot of developers). Leaving out the quotes feels dirty.
– btse
Nov 5 '15 a...
How to use Git properly with Xcode?
...ct files, having the same effect as the script I provided only without any extra work.
Lastly, here is my complete .gitignore file, showing what I do have it set to ignore as there are a few things you don't want - in my case really just emacs remnants and the whole build directory:
# xcode noise
...
Loop backwards using indices in Python?
... This is better than the accepted answer since it doesn't actually allocate all the numbers in memory (in Python 3 the accepted answer wouldn't either), plus it's more obvious what is happening.
– Blixt
Mar 23 '12 at 13:52
...
Set inputType for an EditText Programmatically?
...ATETIME_VARIATION_TIME));
}
class InputTypeItem {
private String name;
private int value;
InputTypeItem(String name, int value) {
this.name = name;
this.value = value;
}
}
}
See also
Getting the current InputType
...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...seeing if postgres works, create a scaffold:
$ rails g scaffold cats name:string age:integer colour:string
3) As of rails 4.0.1 the -d postgresql option generates a YAML that doesn't include a host parameter. I found I needed this. Edit the development section and create the following parameters:...
Comment out text in R Markdown (Rmd file)
...
Extra yaml blocks can be used anywhere inside the document, and commented out with #
---
title: "Untitled"
output: html_document
---
No comment.
---
# here's a comment
# ```{r}
# x = pi
# ```
---
Note however that this ...
Exif manipulation library for python [closed]
...mation from Jpeg and Tiff files which include it. This information is typically included in images created using digital imaging devices such as digital cameras, digital film scanners, etc.
However, it looks like pyexif hasn't been updated in quite while. They recommend if theirs isn't doing the ...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...sk the Java Runtime:
public class MaxMemory {
public static void main(String[] args) {
Runtime rt = Runtime.getRuntime();
long totalMem = rt.totalMemory();
long maxMem = rt.maxMemory();
long freeMem = rt.freeMemory();
double megs = 1048576.0;
Sys...