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How to scroll to top of page with JavaScript/jQuery?
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Asking the user for input until they give a valid response
... parsed.
while True:
try:
# Note: Python 2.x users should use raw_input, the equivalent of 3.x's input
age = int(input("Please enter your age: "))
except ValueError:
print("Sorry, I didn't understand that.")
#better try again... Return to the start of the loo...
Remove duplicates from a List in C#
Anyone have a quick method for de-duplicating a generic List in C#?
27 Answers
27
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Android activity life cycle - what are all these methods for?
...ll these methods for:
Let us take a simple scenario where knowing in what order these methods are called will help us give a clarity why they are used.
Suppose you are using a calculator app. Three methods are called in
succession to start the app.
onCreate() - - - > onStart() - - - > ...
Regex: Specify “space or start of string” and “space or end of string”
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For Python it helps to specify it a raw string, e.g. mystr = r'\bstack overflow\b'
– Acumenus
Mar 26 '19 at 15:33
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Biggest advantage to using ASP.Net MVC vs web forms
... Many controls in ASP.NET web forms automatically generate much of the raw HTML you see when an page is rendered. This can cause headaches for developers. With MVC, it lends itself better towards having complete control with what is rendered and there are no surprises. Even more important, is t...
How to drop into REPL (Read, Eval, Print, Loop) from Python code
... to instrument):
x = 0 # exit loop counter
while x == 0:
user_input = raw_input("Please enter a command, or press q to quit: ")
if user_input[0] == "q":
x = 1
else:
try:
print eval(user_input)
except:
print "I can't do that, Dave."
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Printing the last column of a line in a file
... This isn't quite right, as the column may not appear in the window that raw tail gives you. Unless you know it is going to appear with a certain frequency, it would be safer to awk '/A1/ {print $NF}' file | tail -n1.
– Mitchell Tracy
Feb 8 '19 at 16:28
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What is the best way to detect a mobile device?
Is there a way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device.
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