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GestureDetect 扩展：手势检测扩展，识别滑动、点击和长按手势 · App Inventor 2 中文网
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Convert XML String to Object
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280
You need to use the xsd.exe tool which gets installed with the Windows SDK into a directory so...
Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is j...
git add . vs git commit -a
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edited Aug 22 '10 at 13:42
answered Aug 22 '10 at 13:36
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Reset select2 value and show placeholder
How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder
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Javascript - removing undefined fields from an object [duplicate]
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answered Jul 12 '16 at 23:27
RotaretiRotareti
25.6k1212 gold badges7979 silver badges8686 bronze badges
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How to remove gaps between subplots in matplotlib?
...figure(figsize = (4,4))
gs1 = gridspec.GridSpec(4, 4)
gs1.update(wspace=0.025, hspace=0.05) # set the spacing between axes.
for i in range(16):
# i = i + 1 # grid spec indexes from 0
ax1 = plt.subplot(gs1[i])
plt.axis('on')
ax1.set_xticklabels([])
ax1.set_yticklabels([])
ax1...
Rails: How to change the text on the submit button in a Rails Form
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answered Jan 22 '11 at 17:54
Andrei SAndrei S
6,16255 gold badges3333 silver badges5151 bronze badges
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Getting raw SQL query string from PDO prepared statements
... the mysql CLI, not from PDO, but the principle is the same.
081016 16:51:28 2 Query prepare s1 from 'select * from foo where i = ?'
2 Prepare [2] select * from foo where i = ?
081016 16:51:39 2 Query set @a =1
081016 16:51:47 2 Query execute s1 using @a
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