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Simple Pivot Table to Count Unique Values
... You can do this now automatically with Excel 2013. I've created this as a new answer because my previous answer actually solves a slightly different problem.
If you have that version, then select your data to create a pivot table, and when you create your table, make sure the option 'Add this data...
Why use JUnit for testing?
Maybe my question is a newbie one, but I can not really understand the circumstances under which I would use junit ?
11 An...
How do you clear the focus in javascript?
...ered Mar 26 '10 at 1:43
Kevin ReidKevin Reid
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How to create multidimensional array
... a multidimensional array of inputs? Hope you could help because I'm still new to the JavaScript.
13 Answers
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Add only non-whitespace changes
..."I edited my answer to specifically address Git..." - why didn't you ask a new question in the context of mercurial, and then add your own answer to the new question???
– jww
Jul 24 '15 at 23:59
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Convert python datetime to epoch with strftime
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@Michael That function is new in Python 2.7, you must be using an older version. For versions before 2.7 you can do td.seconds + td.days*24*3600. This discards the microseconds part.
– jleahy
Apr 21 '14 at 12:31
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Fill remaining vertical space with CSS using display:flex
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CSS grid support is fairly new. I wouldn't use it unless you don't have to support old browsers.
– adi518
Aug 14 '17 at 14:04
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How to display multiple notifications in android
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generating unique integer: (int) ((new Date().getTime() / 1000L) % Integer.MAX_VALUE);
– Andrii Kovalchuk
Jun 13 '16 at 19:49
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Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g. for). One exception to this is lapply which can be a little faster because it does more work in C code than in R (see this question for an example of this).
But ...
Android custom dropdown/popup menu
... = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//Creating the instance of PopupMenu
PopupMenu popup = new PopupMenu(MainActivity.this, button1);
...