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getting the screen density programmatically in android?
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19 Answers
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How to create custom easing function with Core Animation?
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// this should be a function that takes a time value between
// 0.0 and 1.0 (where 0.0 is the beginning of the animation
// and 1.0 is the end) and returns a scale factor where 0.0
// would produce the starting value and 1.0 would produce the
// ending value
typedef double (^KeyframeParametric...
Checking images for similarity with OpenCV
...lue (maybe a percentage) that indicates how similar these images are? E.g. 100% would be returned if the same image was passed twice, 0% would be returned if the images were totally different.
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Best way to merge two maps and sum the values of same key?
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15 Answers
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use Winmerge inside of Git to file diff
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113
Update June 2015, 6 years later:
As detailed in "git mergetool winmerge", a simple git config...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...命令可以登录主节点使用
db.adminCommand({replSetStepDown : 1})
如果杀不掉可以使用强制开关
db.adminCommand({replSetStepDown : 1, force : true})
或者使用 rs.stepDown(120)也可以达到同样的效果，中间的数字指不能在停止服务这段时间成...
bash/fish command to print absolute path to a file
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591
Use realpath
$ realpath example.txt
/home/username/example.txt
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Passing parameters to JavaScript files
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14 Answers
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CSS3 Transparency + Gradient
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edited Jun 16 '12 at 16:08
umassthrower
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jQuery attr vs prop?
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71
Unfortunately none of your links work :(
Some insight though, attr is for all attributes. prop i...