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Hide/Show Column in an HTML Table
...assuming style rules like:
table.hide1 .col1 { display: none; }
table.hide2 .col2 { display: none; }
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This is going to be faster than any JS loop approach; for really long tables it can make a significant difference to responsiveness.
If you can get away with not supporting IE6, you could use...
Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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842
Use collections.Counter:
>>> from collections import Counter
>>> A = Counter(...
社交应用组件 · App Inventor 2 中文网
...，此属性的有效值为：
0（默认）
1 （圆形）
2（矩形）
3（椭圆形）。
如果设置了图像，则形状将不可见。
显示反馈
设置联系人选择框指定 图像后被按压是否显示视觉反馈。
文本
设置联系人选择框...
builder for HashMap
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22
Since Java 9 Map interface contains:
Map.of(k1,v1, k2,v2, ..)
Map.ofEntries(Map.entry(k1,v1)...
Batch script: how to check for admin rights
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27 Answers
27
Active
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Stack smashing detected
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edited Oct 25 '15 at 0:11
Demi
3,05611 gold badge2626 silver badges3232 bronze badges
ans...
Replace tabs with spaces in vim
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IIRC, something like:
set tabstop=2 shiftwidth=2 expandtab
should do the trick. If you already have tabs, then follow it up with a nice global RE to replace them with double spaces.
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Using Case/Switch and GetType to determine the object [duplicate]
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answered Apr 2 '09 at 9:10
Anton GogolevAnton Gogolev
105k3636 gold badges187187 silver badges274274 bronze badges
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Regex: match everything but specific pattern
...fic pattern (specifically index.php and what follows, like index.php?id=2342343 )
7 Answers
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Best data type for storing currency values in a MySQL database
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229
Something like Decimal(19,4) usually works pretty well in most cases. You can adjust the scale...