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Calculating days between two dates with Java
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UPDATE: The original answer from 2013 is now outdated because some of the classes have been replaced. The new way of doing this is using the new java.time classes.
DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd MM yyyy");
String inputString1 = "23 01 1997"...
Linux find file names with given string
...ent directory and subdirectories whose name contains the string "John". I know that grep can match the content in the files, but I have no idea how to use it with file names. Any help would be appreciated.
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Selecting with complex criteria from pandas.DataFrame
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A B C
1 7 80 700
2 4 90 100
4 7 80 200
5 7 60 800
Now if you want to change the returned values in column A you can save their index:
my_query_index = df.query('B > 50 & C != 900').index
....and use .iloc to change them i.e:
df.iloc[my_query_index, 0] = 5000
prin...
Method overloading in Objective-C?
As far as my knowledge, Objective-C does not support method overloading. What can be the alternative for this in Objective-C? Or should I always use different method name?
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Fit image into ImageView, keep aspect ratio and then resize ImageView to image dimensions?
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// Apply the scaled bitmap
view.setImageDrawable(result);
// Now change ImageView's dimensions to match the scaled image
LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) view.getLayoutParams();
params.width = width;
params.height = height;
view.setLayoutP...
How to generate a random int in C?
... bigger reason is that the properties of rand() and functions like it are known best for the use case where they are seeded exactly once per run, and not on every single call. Depending on "randomness" with untested or unproven properties leads to trouble.
– RBerteig
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bootstrap modal removes scroll bar
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Added some more details. Better now?
– flup
Jul 31 '14 at 22:52
14
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Simple calculations for working with lat/lon and km distance?
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The site has the library now.
– midfield99
Jun 26 '16 at 0:22
2
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What can I do with a moved-from object?
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We're discussing moved-from objects. Not objects known to be in an empty state. Moved-from objects have an unspecified state (unless of course otherwise specified). [lib.types.movedfrom]
– Howard Hinnant
Aug 11 '11 at 15:11
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...rint()able, so you're being shown the repr of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you a...