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get all characters to right of last dash
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@LukeH: Thanks for the heads up. I didn't check and mistakenly assumed it would throw.
– Jon
Mar 16 '11 at 15:33
3
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Python Regex instantly replace groups
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Way more clear than the doc! Did not understand how group was working with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
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Splitting on last delimiter in Python string?
...lways returns a fixed number of elements (prefix, delimiter & postfix) and is faster for the single split case.
Demo:
>>> s = "a,b,c,d"
>>> s.rsplit(',', 1)
['a,b,c', 'd']
>>> s.rsplit(',', 2)
['a,b', 'c', 'd']
>>> s.rpartition(',')
('a,b,c', ',', 'd')
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Getting one value from a tuple
...Tuples can be indexed just like lists.
The main difference between tuples and lists is that tuples are immutable - you can't set the elements of a tuple to different values, or add or remove elements like you can from a list. But other than that, in most situations, they work pretty much the same.
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How to create a drop-down list?
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Best way to do it is:
Preview:
XML:
<Spinner
android:id="@+id/spinner1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:drawable/btn_dropdown"
android:spinnerMode="dropdown"/>
Java:
//get the sp...
TextEnhancer拓展 - 增强App中的文本格式 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...ffortlessly add advanced text features to your app, making it more dynamic and engaging for your users.Blocks[size=15.008px]SetTextJustification:Set or unset text justification for the specified label. Justification values: true to justify, false for no justification.
blocks (26)[size=15.008px]800...
Get commit list between tags in git
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To compare between latest commit of current branch and a tag:
git log --pretty=oneline HEAD...tag
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PostgreSQL array_agg order
...rray_agg would then be unordered but it would be the same in both columns. And if you like you could add an ORDER BY clause to the subquery.
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How to print something without a new line in ruby
...o, you'll need to append "\r" at end of line to indicate "carriage return" and do next print at beginning of current line
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Why does Bootstrap set the line-height property to 1.428571429?
...re you have ample white space between your rows. This allows for ascenders and descenders without intruding on other rows. Also having ample white space allows your eyes to develop a visual rhythm while reading.
Also keeping the line-height unitless makes it more versatile. For more information, se...