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How to normalize a path in PowerShell?
...ath:
Join-Path (Join-Path (pwd) fred\frog) '..\frag'
This yields (given my current location):
C:\WINDOWS\system32\fred\frog\..\frag
With an absolute base, it is safe to call the .NET API GetFullPath:
[System.IO.Path]::GetFullPath((Join-Path (Join-Path (pwd) fred\frog) '..\frag'))
Which give...
Ruby Array find_first object?
...
Guess you just missed the find method in the docs:
my_array.find {|e| e.satisfies_condition? }
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What's the best way to detect a 'touch screen' device using JavaScript?
...nt, since Windows 8 came out, Modernizr has been incorrectly returning all my PC's browsers as touch-compatible.
– Anton
Feb 18 '13 at 15:12
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Designing function f(f(n)) == -n
A question I got on my last interview:
118 Answers
118
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Find a value anywhere in a database
... FYI this script only searches text fields, not number fields. In my case it worked because the devs were storing a number in a varchar, but generally finding numbers won't work.
– Allain Lalonde
Jan 12 '09 at 19:03
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How to get the size of a string in Python?
... length of the string, you can use len():
>>> s = 'please answer my question'
>>> len(s) # number of characters in s
25
If you need the size of the string in bytes, you need sys.getsizeof():
>>> import sys
>>> sys.getsizeof(s)
58
Also, don't call your strin...
Display a float with two decimal places in Python
...is much more readable.
>>> foobar = 3.141592
>>> print(f'My number is {foobar:.2f} - look at the nice rounding!')
My number is 3.14 - look at the nice rounding!
You can see in this example we format with decimal places in similar fashion to previous string formatting methods.
NB ...
Ruby: Can I write multi-line string with no concatenation?
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see my answer below for an example, you can just use % now.
– Robbie Guilfoyle
Aug 28 '13 at 1:35
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How to use greater than operator with date?
No idea what is going on here. Here is the query, right from phpMyAdmin:
5 Answers
5
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How to call an external command?
..., stdout=PIPE).stdout.read()
and imagine that the user enters something "my mama didnt love me && rm -rf /" which could erase the whole filesystem.
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