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What does “connection reset by peer” mean?
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This means that a TCP RST was received and the connection is now closed. This occurs when a packet is sent from your end of the connection but the other end does not recognize the connection; it will send back a packet with the RST bit set in order to forcibly close the connection.
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How to tell which version of a gem a rails app is using
... rails version 2 and a more advanced bundler? Is this good/bad? (Yes, I know it's bad to have such an old version of rails, I want to know if it's catastrophic to have such a mismatched (if it is) rails and bundler).
– Brenda J. Butler
Aug 23 '14 at 0:56
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How to resolve “You need to have Ruby and Sass installed and in your PATH for this task to work” War
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Ok I got it. I just had to install Sass using gem install sass and now everything is fine...couldn't be easier.
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What is the C++ function to raise a number to a power?
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pow(double, int);
pow(long double, long double);
pow(long double, int);
Now you can't just do
pow(2, N)
with N being an int, because it doesn't know which of float, double, or long double version it should take, and you would get an ambiguity error. All three would need a conversion from int ...
Zoom to fit all markers in Mapbox or Leaflet
... from @user317946: "map.fitBounds(markers.getBounds().pad(0.5)); now the icons wont cut off. :-)"
– lpapp
Jan 19 '14 at 15:24
12
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Set select option 'selected', by value
I have a select field with some options in it. Now I need to select one of those options with jQuery. But how can I do that when I only know the value of the option that must be selected?
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What does 'super' do in Python?
... to super and the correct method arguments right can be difficult. If you know you're using super correctly with single inheritance, that makes debugging less difficult going forward.
Dependency Injection
Other people can use your code and inject parents into the method resolution:
class SomeBase...
How to hide the “back” button in UINavigationController?
Do you know how to hide the 'back' button in a UINavigationController?
Also, how to show it back, but I guess that's very similar to hiding it...
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Indexes of all occurrences of character in a string
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Try the following (Which does not print -1 at the end now!)
int index = word.indexOf(guess);
while(index >= 0) {
System.out.println(index);
index = word.indexOf(guess, index+1);
}
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How to print pandas DataFrame without index
...something like:
document = df.to_dict(orient='list')
There are 6 ways by now to orient the data, check more in the panda docs which better fits you.
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