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connect local repo with remote repo
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The easiest way to find out is to try it and see. Git will let you know if it's not right.
– vergenzt
Jun 25 '12 at 11:57
2
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What is Ruby's double-colon `::`?
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In C#, for instance, yes. On the other hand C++ (and Ruby) use :: for namespace resolution such as std::cout << "Hello World!";
– Jerry Fernholz
Jun 9 '10 at 20:29
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Is there a JavaScript / jQuery DOM change listener?
... // ...
});
// define what element should be observed by the observer
// and what types of mutations trigger the callback
observer.observe(document, {
subtree: true,
attributes: true
//...
});
This example listens for DOM changes on document and its entire subtree, and it will fire on chang...
Mapping over values in a python dictionary
...ues()))) is marginally shorter, but I have to think about what it's doing, and remind myself that yes, keys and values are iterated over in the same order if the dict doesn't change. I don't have to think at all about what the dictcomp is doing, and so it's the right answer.
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Infinity symbol with HTML
...resting results within 3 seconds, including utf8icons.com, fileformat.info and others.
– trejder
Jun 12 '14 at 11:00
@...
How to check a not-defined variable in JavaScript
...nly be done with try/catch, since typeof will treat an undeclared variable and a variable declared with the value of undefined as equivalent.
But, to check if a variable is declared and is not undefined:
if (yourvar !== undefined) // Any scope
Previously, it was necessary to use the typeof opera...
How to pause / sleep thread or process in Android?
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One solution to this problem is to use the Handler.postDelayed() method. Some Google training materials suggest the same solution.
@Override
public void onClick(View v) {
my_button.setBackgroundResource(R.drawable.icon);
Handler handler = new Handler();
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Save An Image To Application Documents Folder From UIView On IOS
I have a UIImageView that allows a user to place and hold an image until it can be saved. The problem is, I can't figure out how to actually save and retrieve the image I've placed in the view.
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How to get the name of the current method from code [duplicate]
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And then there is CallerMemberNameAttribute stackoverflow.com/a/15310053/58768
– bohdan_trotsenko
Mar 17 '16 at 14:33
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Prepend a level to a pandas MultiIndex
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A nice way to do this in one line using pandas.concat():
import pandas as pd
pd.concat([df], keys=['Foo'], names=['Firstlevel'])
An even shorter way:
pd.concat({'Foo': df}, names=['Firstlevel'])
This can be generalized to many data frames, see the docs.
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