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What is the $? (dollar question mark) variable in shell scripting? [duplicate]
I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters.
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A Space between Inline-Block List Items [duplicate]
Why do the inline-block list items have a space in them? No matter how I make my list items into a menu, I always get spaces.
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Timing a command's execution in PowerShell
Is there a simple way to time the execution of a command in PowerShell, like the 'time' command in Linux?
I came up with this:
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CSS Image size, how to fill, not stretch?
I have an image, and I want to set it a specific width and height (in pixels)
15 Answers
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Changing specific text's color using NSMutableAttributedString in Swift
The issue I am having is that I want to be able to change the textColor of certain text in a TextView. I am using a concatenated string, and just want the strings I am appending into the TextView's text. It appears that what I want to use is NSMutableAttributedString , but I am not finding any reso...
Excel Date to String conversion
In a cell in Excel sheet I have a Date value like:
9 Answers
9
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Difference between String#equals and String#contentEquals methods
What is the difference between the String#equals method and the String#contentEquals method?
9 Answers
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scipy.misc module has no attribute imread?
I am trying to read an image with scipy. However it does not accept the scipy.misc.imread part. What could be the cause of this?
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Use different Python version with virtualenv
I have a Debian system currently running with python 2.5.4. I got virtualenv properly installed, everything is working fine. Is there a possibility that I can use a virtualenv with a different version of Python?
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How to generate keyboard events in Python?
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It can be done using ctypes:
import ctypes
from ctypes import wintypes
import time
user32 = ctypes.WinDLL('user32', use_last_error=True)
INPUT_MOUSE = 0
INPUT_KEYBOARD = 1
INPUT_HARDWARE = 2
KEYEVENTF_EXTENDEDKEY = 0x0001
KEYEVENTF_KEY...