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Convert a list to a string in C#
... edited Oct 11 '19 at 8:02
Kishan Vaishnav
85877 silver badges1717 bronze badges
answered Feb 12 '11 at 23:46
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
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In Python 3, dict.values() (along with dict.keys() and dict.items()) returns a view, rather than a list. See the documentation here. You therefore need to wrap your call to dict.values() in a call to list like so:
v = list(d.values())
{names[i]:v[i] for i in range(len...
How to find/identify large commits in git history?
I have a 300 MB git repo. The total size of my currently checked-out files is 2 MB, and the total size of the rest of the git repo is 298 MB. This is basically a code-only repo that should not be more than a few MB.
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JPA OneToMany not deleting child
... a simple @OneToMany mapping between a parent and a child entity. All works well, only that child records are not deleted when I remove them from the collection.
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How to find whether or not a variable is empty in Bash
How can I check if a variable is empty in Bash?
10 Answers
10
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Getting an “ambiguous redirect” error
...ly the same error:
$ echo hello >
bash: syntax error near unexpected token `newline`
$ echo hello > ${NONEXISTENT}
bash: ${NONEXISTENT}: ambiguous redirect
$ echo hello > "${NONEXISTENT}"
bash: : No such file or directory
Adding quotes around the variable seems to be a good way to deal...
How do I read CSV data into a record array in NumPy?
...You can use Numpy's genfromtxt() method to do so, by setting the delimiter kwarg to a comma.
from numpy import genfromtxt
my_data = genfromtxt('my_file.csv', delimiter=',')
More information on the function can be found at its respective documentation.
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Get PHP class property by string
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Like this
<?php
$prop = 'Name';
echo $obj->$prop;
Or, if you have control over the class, implement the ArrayAccess interface and just do this
echo $obj['Name'];
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Get current folder path
I want to create a program that converts files. I would like the user to be able to place the executable file in any directory, and when executing that program (double-clicking on the .exe) I want the program to process all the files within the current folder where the exe file exists . How can the...
Function to clear the console in R and RStudio
...s a function to clear the console in R and, in particular, RStudio I am looking for a function that I can type into the console, and not a keyboard shortcut.
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