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What does $_ mean in PowerShell?
... a reference to this, mostly in loops.
$_ (dollar underscore)
'THIS' token. Typically refers to the
item inside a foreach loop.
Task:
Print all items in a collection.
Solution. ... | foreach { Write-Host
$_ }
...
How to generate random number in Bash?
...ange end? I got this: shuf -i 1-10 -n 1: syntax error in expression (error token is "1-10 -n 1")
– dat tutbrus
Jul 16 '18 at 13:14
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How to close IPython Notebook properly?
...; juypter notebook list
Currently running servers:
http://localhost:8888/?token=ef12021898c435f865ec706d7c9af8607a7ba58bbee98632 :: /Users/username/jupyter-notebooks [/code]
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What is the difference between the | and || or operators?
...lways used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable?
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Eclipse doesn't highlight references anymore
...icon on the toolbar - it toggles "Mark Occurrences".
You probably accidentally pressed it when trying to select a menu item at some point. I had a friend who did that with the "show selected element only" toolbar button...
You can either press it again or configure as Rytmis says.
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How can I split a JavaScript string by white space or comma?
...nt to take into account extra characters like your commas (in my case each token may be entered with quotes), I'd do a string.replace() to change the other delimiters to blanks and then split on whitespace.
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How do I view / replay a chrome network debugger har file saved with content?
...dler because I can replay a particular request from the har file (changing tokens ofc) to see its effects. I personally have been using Fiddler for a long time and as this thread has been citing a lot of tools that all work in different cases, it finally falls down to personal comfort.
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What is the difference between window, screen, and document in Javascript?
...t model. You can access it as window
window.screen or just screen is a small information object about physical screen dimensions.
window.document or just document is the main object of the potentially visible (or better yet: rendered) document object model/DOM.
Since window is the global object ...
Check if a string contains a number
...xt:
import nltk
def existence_of_numeric_data(text):
text=nltk.word_tokenize(text)
pos = nltk.pos_tag(text)
count = 0
for i in range(len(pos)):
word , pos_tag = pos[i]
if pos_tag == 'CD':
return True
return False
existence_of_numeric_data('We are g...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
I'm writing an application that allows users to upload images onto the server. I expect about 20 images per day all jpeg and probably not edited/resized. (This is another question, how to resize the images on the server side before storing. Maybe someone can please drop a .NET resource for that in t...