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Initializing select with AngularJS and ng-repeat
...x to start off with a pre-filled option using ng-repeat with AngularJS 1.1.5. Instead the select always starts out with nothing selected. It also has an empty option, which I don't want. I think that there is a side effect of nothing being selected.
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我的钢琴 · App Inventor 2 中文网
...7 个自然音，弹不了带升降号的曲子。跟着下面的步骤把 5 个黑键补上：
先准备升音的音频
模板里只带了 7 个自然音，5 个升音（#C #D #F #G #A）需要你自己补上。
可以自己用录音软件录，也可以在网上找免费的钢琴单音素材。...
cartesian product in pandas
...':[1,1], 'col1':[1,2],'col2':[3,4]})
df2 = DataFrame({'key':[1,1], 'col3':[5,6]})
merge(df1, df2,on='key')[['col1', 'col2', 'col3']]
Output:
col1 col2 col3
0 1 3 5
1 1 3 6
2 2 4 5
3 2 4 6
See here for the documentation: http://pandas.pydata....
How does MySQL process ORDER BY and LIMIT in a query?
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255
It will order first, then get the first 20. A database will also process anything in the WHERE...
How to find all combinations of coins when given some dollar value
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35 Answers
35
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git mv and only change case of directory
...of the comments, you can also do an interactive rebase (git rebase -i HEAD~5 if the wrong case was introduced 5 commits ago) to fix the case there and not have the wrong case appear anywhere in the history at all. You have to be careful if you do this as the commit hashes from then on will be differ...
iOS 5 fixed positioning and virtual keyboard
...nned to the bottom of the screen via position:fixed. All works fine in iOS 5 (I'm testing on an iPod Touch) until I'm on a page with a form. When I tap into an input field and the virtual keyboard appears, suddenly the fixed position of my div is lost. The div now scrolls with the page as long as th...
What's the cleanest way of applying map() to a dictionary in Swift?
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15 Answers
15
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C# vs Java Enum (for those new to C#)
...but at first glance, C#'s enums seem to be more simplistic than the Java 1.5+ implementation. Can anyone enumerate the differences between C# and Java enums, and how to overcome the differences? (I don't want to start a language flame war, I just want to know how to do some things in C# that I use...
How to Resize a Bitmap in Android?
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560
Change:
profileImage.setImageBitmap(
BitmapFactory.decodeByteArray(imageAsBytes, 0, image...