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All combinations of a list of lists
...duct the "manual" way:
def product(*args, **kwds):
# product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
# product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
pools = map(tuple, args) * kwds.get('repeat', 1)
result = [[]]
for pool in pools:
result = [x+[y...
Get the cartesian product of a series of lists?
...t as a starting point:
def product(*args, **kwds):
# product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
# product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
pools = map(tuple, args) * kwds.get('repeat', 1)
result = [[]]
for pool in pools:
result = [x+[y...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
...持以下缩放类型：
MATRIX (0)：使用矩阵进行缩放
FIT_XY (1)：拉伸图片以填充视图
FIT_START (2)：从顶部开始适应
FIT_CENTER (3)：居中适应
FIT_END (4)：从底部开始适应
CENTER (5)：居中显示
CENTER_CROP (6)：居中裁剪
CENTER_INSIDE (7)...
Replace non-numeric with empty string
...ner pretty trivially. (But I also upvoted :D)
– Mage Xy
Mar 17 '16 at 18:27
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Set ImageView width and height programmatically?
...ayoutParams().width = 150;
demoImage.setScaleType(ImageView.ScaleType.FIT_XY);
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Logic to test that 3 of 4 are True
...
@NothingsImpossible There is nothing XY about the question. It's a clear and straight-forward question about solving a reasonably common problem in programming. The Y is irrelevant.
– Ярослав Рахматуллин
M...
Check if something is (not) in a list in Python
...ised.
list.count can be used if you want to count the occurrences.
The XY Problem: Have you considered sets?
Ask yourself these questions:
do you need to check whether an item is in a list more than once?
Is this check done inside a loop, or a function called repeatedly?
Are the items you're ...
What's the simplest way to list conflicted files in Git?
...lar question was about a plain list of conflicted files.. this might be an XY problem (I can't remember why I actually needed that conflict list, but the fact that I haven't needed it since might suggest that I should have followed a different approach back then. Not sure now.. I also was writing sc...
Batch files: How to read a file?
...ed expansion is neccessary for the safe working with strings, like ! or ^^^xy!z.
That's because the line set "var=%%a" is only safe with DisabledDelayedExpansion, else exclamation marks are removed and the carets are used as (secondary) escape characters and they are removed too.
But using the varia...
Command-line Unix ASCII-based charting / plotting tool
...phing / plotting tool out there? I'm looking for something that will plot xy points on an ASCII graph.
12 Answers
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