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Array to Hash Ruby
...e comments): "Be very careful with this. Ruby expands splats on the stack. If you do this with a large dataset, expect to blow out your stack."
So, for most general use cases this method is great, but use a different method if you want to do the conversion on lots of data. For example, @Łukasz Nie...
How do I use su to execute the rest of the bash script as that user?
...roject. The script is supposed to switch (su) to the username, cd to a specific directory based upon the project string.
9 ...
Where'd padding go, when setting background Drawable?
... patch as a background resource reset the padding - although interestingly if I added a color, or non-9 patch image, it didn't. The solution was to save the padding values before the background gets added, then set them again afterwards.
private EditText value = (EditText) findViewById(R.id.value)...
pandas DataFrame: replace nan values with average of columns
...ld be a scalar or a dict, however, it seems to work with a Series as well. If you want to pass a dict, you could use df.mean().to_dict().
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How do I select an entire row which has the largest ID in the table?
...ow
FROM table
WHERE id=(
SELECT max(id) FROM table
)
Note that if the value of max(id) is not unique, multiple rows are returned.
If you only want one such row, use @MichaelMior's answer,
SELECT row from table ORDER BY id DESC LIMIT 1
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How can I create a UIColor from a hex string?
... from a hex format integer (0x...) not a hex format string ("#..."). Great if that's what you want, but not what the questioner asked for.
– darrinm
Nov 6 '12 at 2:28
3
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Match whitespace but not newlines
...ARATOR. Unicode does not consider it whitespace. For that reason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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How do I get the parent directory in Python?
...
@tzot: unfortunately os.path.dirname gives different results depending on whether a trailing slash is included in the path. If you want reliable results you need to use the os.path.join method in answer above.
– Artfunkel
Jun 28 '...
How do I check OS with a preprocessor directive?
I need my code to do different things based on the operating system on which it gets compiled. I'm looking for something like this:
...
How to close activity and go back to previous activity in android
...
You have set android:noHistory = "true" for MainActivity inside AndroidManifest.xml which causes MainActivity to finish automatically on pressing the back key.
OR
Before switching to your 'SettingsActivity', you have called finish() in your MainActivity, which kills it. When you press back button...