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Read a file line by line assigning the value to a variable
...
That said, this does still need to be modified to set IFS= for the read to prevent trimming whitespace.
– Charles Duffy
Dec 14 '16 at 17:28
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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...
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...
MySQL query to get column names?
...as column type, whether the column is nullable, max column size, character set, etc)...
Oh, and it's standard SQL (Whereas SHOW ... is a MySQL specific extension)...
For more information about the difference between SHOW... and using the INFORMATION_SCHEMA tables, check out the MySQL Documentation...
VIM Disable Automatic Newline At End Of File
...ferably on your .vimrc) (thanks to 罗泽轩 for that last bit of news!):
:set nofixendofline
Now regarding older versions of vim.
Even if the file was already saved with new lines at the end:
vim -b file
and once in vim:
:set noeol
:wq
done.
alternatively you can open files in vim with :e ++bin f...
“var” or no “var” in JavaScript's “for-in” loop?
...
The first version:
for (var x in set) {
...
}
declares a local variable called x. The second version:
for (x in set) {
...
}
does not.
If x is already a local variable (i.e. you have a var x; or var x = ...; somewhere earlier in your current sc...
What is the most efficient way to concatenate N arrays?
...ddition you can remove duplicate elements by using newArr = Array.from(new Set(newArr));.
– Darius
Apr 29 '18 at 0:53
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How to programmatically get iOS status bar height
...als 20.0f points except following cases:
status bar has been hidden with setStatusBarHidden:withAnimation: method and its height equals 0.0f points;
as @Anton here pointed out, during an incoming call outside of Phone application or during sound recording session status bar height equals 40.0f poi...
Summarizing multiple columns with dplyr? [duplicate]
...rget about data.table (use keyby to sort sort groups):
library(data.table)
setDT(df)[, lapply(.SD, mean), keyby = grp]
#> grp a b c d
#> 1: 1 3.079412 2.979412 2.979412 2.914706
#> 2: 2 3.029126 3.038835 2.967638 2.873786
#> 3: 3 2.854701 2.948718 2.9...
How to pass optional arguments to a method in C++?
...ll myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be set to 1
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