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Detecting an undefined object property
... Any non-default context can also overwrite, say, Math, or Object, or setTimeout, or literally anything that you expect to find in the global scope by default.
– CherryDT
Mar 17 at 21:21
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How to store a command in a variable in a shell script?
... injection or privilege escalation vulnerabilities if that variable can be set by someone with less privileges. (Iterating over all subdirectories in /tmp, for instance? You'd better trust every single user on the system to not make one called $'/tmp/evil-$(rm -rf $HOME)\'$(rm -rf $HOME)\'/').
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Multiple variables in a 'with' statement?
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is it possible set fields equal to something in with statement as in with open('./file') as arg.x = file:?
– Charlie Parker
Feb 3 '17 at 5:46
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Do you need to use path.join in node.js?
... editor after snippets, if snippets enabled
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How to ignore the first line of data when processing CSV data?
I am asking Python to print the minimum number from a column of CSV data, but the top row is the column number, and I don't want Python to take the top row into account. How can I make sure Python ignores the first line?
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Why is it slower to iterate over a small string than a small list?
...f (index < 0 || index >= PyUnicode_GET_LENGTH(self)) {
PyErr_SetString(PyExc_IndexError, "string index out of range");
return NULL;
}
kind = PyUnicode_KIND(self);
data = PyUnicode_DATA(self);
ch = PyUnicode_READ(kind, data, index);
if (ch < 256)
r...
How to set variables in HIVE scripts
I'm looking for the SQL equivalent of SET varname = value in Hive QL
9 Answers
9
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How to effectively work with multiple files in Vim
...pen a new file, I use
:e ../myFile.pl
with enhanced tab completion (put set wildmenu in your .vimrc).
Note: you can also use :find which will search a set of paths for you, but you need to customize those paths first.
Switching
To switch between all open files, I use
:b myfile
with enhanc...
How to unstage large number of files without deleting the content
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git reset
If all you want is to undo an overzealous "git add" run:
git reset
Your changes will be unstaged and ready for you to re-add as you please.
DO NOT RUN git reset --hard.
It will not only unstage your added files,...
How to calculate the sentence similarity using word2vec model of gensim with python
...between vectors:
import numpy as np
from scipy import spatial
index2word_set = set(model.wv.index2word)
def avg_feature_vector(sentence, model, num_features, index2word_set):
words = sentence.split()
feature_vec = np.zeros((num_features, ), dtype='float32')
n_words = 0
for word in...