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Asking the user for input until they give a valid response
...g and Custom Validation
Both of the above techniques can be combined into one loop.
while True:
try:
age = int(input("Please enter your age: "))
except ValueError:
print("Sorry, I didn't understand that.")
continue
if age < 0:
print("Sorry, your resp...
jQuery click events firing multiple times
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;) sorry. I spun my wheels around for a few days on this one too. I am still searching for a logical reason as to why it even happens in the first place.
– Rob
Feb 21 '13 at 4:11
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Combining Multiple Commits Into One Prior To Push
...em all once you're connected again. There's no reason to limit yourself to one commit per push.
I generally find that it's a good idea to keep each commit a single, logical, coherent change, that includes everything it needs to work (so, it does not leave your code in a broken state). If you have ...
What is the difference between a map and a dictionary?
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One is an older term for the other. Typically the term "dictionary" was used before the mathematical term "map" took hold. Also, dictionaries tend to have a key type of string, but that's not 100% true everywhere.
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Algorithm for creating a school timetable
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This problem is NP-Complete!
In a nutshell one needs to explore all possible combinations to find the list of acceptable solutions. Because of the variations in the circumstances in which the problem appears at various schools (for example: Are there constraints wit...
How to concatenate string variables in Bash
...lo World
In general to concatenate two variables you can just write them one after another:
a='Hello'
b='World'
c="${a} ${b}"
echo "${c}"
> Hello World
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Can a project have multiple origins?
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You can have as many remotes as you want, but you can only have one remote named "origin". The remote called "origin" is not special in any way, except that it is the default remote created by Git when you clone an existing repository. You can configure a second remote, push to/pull from ...
Form inside a form, is that alright? [duplicate]
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Though you can have several <form> elements in one HTML page, you cannot nest them.
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How do I focus on one spec in jasmine.js?
... from a rather large architectural change. I'd like to work on fixing them one by one by tagging each one with 'focus'.
9 A...
How to copy a collection from one database to another in MongoDB
... this to work.
Besides this, you can do a mongodump of a collection from one database and then mongorestore the collection to the other database.
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