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Git: Remove committed file after push
...concile his local branch head with the central one:
To remove file change from last commit:
to revert the file to the state before the last commit, do:
git checkout HEAD^ /path/to/file
to update the last commit with the reverted file, do:
git commit --amend
to push the updated commit to the r...
Merge 2 arrays of objects
...o keep up to date.
The source (arr2) array is where the new data is coming from, and we want it merged into our target array.
We loop over the source array looking for new data, and for every object that is not yet found in our target array we simply add that object using target.push(sourceElement)
...
What does f+++++++++ mean in rsync logs?
...ot changed in the meantime. But it will start checking all the files again from the beginning to find out, as it is not aware that it had been interrupted.
2 - Each character is a code that can be translated if you read the section for -i, --itemize-changes in man rsync
Decoding your example log f...
How is location accuracy measured in Android?
...
By this time the GPS will be on. The GPS device needs at least 30 seconds from a cold start to get a fix, so if can get a fix it will return latitude and longitude but again with an accuracy, which will be the highest possible for an example 100 meters. The longer the GPS works, the better accuracy...
Is there a built-in function to print all the current properties and values of an object?
...rithmeticError', 'AssertionError', 'AttributeError',...
or
>>> from pprint import pprint
>>> pprint(l)
['ArithmeticError',
'AssertionError',
'AttributeError',
'BaseException',
'DeprecationWarning',
...
>>> pprint(d, indent=2)
{ 'ArithmeticError': <type 'exceptio...
git push says “everything up-to-date” even though I have local changes
...d asked you to create a temporary branch using the -b option, but starting from version 1.5.0, the above command detaches your HEAD from the current branch and directly points at the commit named by the tag (v2.6.18 in the example above).
You can use all git commands while in this state.
You ...
Ball to Ball Collision - Detection and Handling
...e collision components by creating a unit vector pointing in the direction from one ball to the other, then taking the dot product with the velocity vectors of the balls. You can then plug these components into a 1D perfectly elastic collision equation.
Wikipedia has a pretty good summary of the w...
Is Java “pass-by-reference” or “pass-by-value”?
... a new object of type Foo with an attribute "f".
Foo f = new Foo("f");
From the method side, a reference of type Foo with a name a is declared and it's initially assigned null.
public static void changeReference(Foo a)
As you call the method changeReference, the reference a will be assigned ...
Get the closest number out of an array
I have a number from minus 1000 to plus 1000 and I have an array with numbers in it. Like this:
20 Answers
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Laravel: Get base url
...
And despite its possible appearance from the example, this is relative to the Laravel's root path, so if you're installed in /something/ it'll make the right URL.
– ceejayoz
Apr 14 '14 at 12:42
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