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Right way to reverse pandas.DataFrame?
...a time series while remaining agnostic to the time step (day, month, year, etc.). So you may be working with a data frame, do a transformation on it, which messes up the indexing. It’s common to thus reindex the frame.
– Cybernetic
Jul 12 at 0:23
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iOS - forward all touches through a view
...iew to stop the behavior of other views underneath, which are scrollviews, etc. How can I forward all the touches through this overlay view? It is a subcalss of UIView.
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How to set OnClickListener on a RadioButton in Android?
...is to change and update the View accordingly (saves you having 2 or 3 or 4 etc listeners).
RadioGroup radioGroup = (RadioGroup) findViewById(R.id.yourRadioGroup);
radioGroup.setOnCheckedChangeListener(new OnCheckedChangeListener()
{
@Override
public void onCheck...
What is the dual table in Oracle?
... as sysdate. Also helps you to check if Oracle is up and check sql syntax, etc.
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How to fix 'sudo: no tty present and no askpass program specified' error?
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Consider adding a file to /etc/sudoers.d and leaving the visudo file untouched.
– xlttj
Mar 1 '17 at 9:58
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...what you think. System calls, which include I/O calls such as read, write, etc. are executed by jumping into kernel code and executing that.
If wall clock time < CPU time, then you're executing a program in parallel. If wall clock time > CPU time, you're waiting for disk, network or other dev...
Pointers vs. values in parameters and return values
...eful use of pointers to items, items are small enough to copy efficiently, etc.). Sometimes you have to think about or measure the specifics of your situation, but that's a rough guide.
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Why does pylint object to single character variable names?
...ic names I've used have been like ratio, denominator, obj_generator, path, etc. It may take an extra second or two to type them out, but the time you save trying to figure out what you wrote even half an hour from then is well worth it.
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called
... the issue for me. This issue 'may' occur when one of the dependencies(jar etc) in .m2 is corrupt. Deleting ~/.m2/repository rm -rf ~/.m2/repository and then mvn install resolved it for me.
– ch4nd4n
Jun 12 '18 at 12:16
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Difference between Math.Floor() and Math.Truncate()
...g.AwayFromZero) == -1 Math.Round(0.3, MidpointRounding.AwayFromZero)==0.0 etc..
– dtroy
May 5 '09 at 3:49
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