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dyld: Library not loaded … Reason: Image not found
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31 Answers
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Get Unix Epoch Time in Swift
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YannikYannik
2,11422 gold badges1313 silver badges77 bronze badges
7
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Draw in Canvas by finger, Android
... circlePath.reset();
circlePath.addCircle(mX, mY, 30, Path.Direction.CW);
}
}
private void touch_up() {
mPath.lineTo(mX, mY);
circlePath.reset();
// commit the path to our offscreen
mCanvas.drawPath...
Applying function with multiple arguments to create a new pandas column
...gt;>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary function ...
Write to .txt file?
...ite a little piece of text into a .txt file?
I've been Googling for over 3-4 hours, but can't find out how to do it.
3 An...
How to convert number to words in java
... // XXXnnnnnnnnn
int billions = Integer.parseInt(snumber.substring(0,3));
// nnnXXXnnnnnn
int millions = Integer.parseInt(snumber.substring(3,6));
// nnnnnnXXXnnn
int hundredThousands = Integer.parseInt(snumber.substring(6,9));
// nnnnnnnnnXXX
int thousands = Integer.p...
Change a column type from Date to DateTime during ROR migration
...ge_date_format_in_my_table
Then in your migration file:
For Rails >= 3.2:
class ChangeDateFormatInMyTable < ActiveRecord::Migration
def up
change_column :my_table, :my_column, :datetime
end
def down
change_column :my_table, :my_column, :date
end
end
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Is it possible to do start iterating from an element other than the first using foreach?
... Collection<string>;
foreach (string curString in myCollection.Skip(3))
//Dostuff
Skip is an IEnumerable function that skips however many you specify starting at the current index. On the other hand, if you wanted to use only the first three you would use .Take:
foreach (string curStri...
Associative arrays in Shell scripts
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edited May 23 '17 at 10:31
Community♦
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answered Mar 27 '09 at 16:48
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