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App Inventor 2 图表组件实战：5种图表类型+动态数据绑定，手把手做出专业...
...和管理x-y数据对，一条数据序列就是图表上的一组图形
3. Trendline（趋势线）：可选组件，挂载在ChartData2D上，自动计算最佳拟合线
三者是嵌套关系：Chart → ChartData2D → Trendline。一个Chart可以挂多个ChartData2D（比如折线图上叠...
Python Matplotlib Y-Axis ticks on Right Side of Plot
...f = plt.figure()
ax = f.add_subplot(111)
ax.yaxis.tick_right()
plt.plot([2,3,4,5])
plt.show()
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Overloading Macro on Number of Arguments
I have two macros FOO2 and FOO3 :
8 Answers
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Mod of negative number is melting my brain
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edited Jan 9 '13 at 16:22
answered Jul 4 '09 at 20:35
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Is there a way to ignore header lines in a UNIX sort?
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(head -n 2 <file> && tail -n +3 <file> | sort) > newfile
The parentheses create a subshell, wrapping up the stdout so you can pipe it or redirect it as if it had come from a single command.
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Why does 2 mod 4 = 2?
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edited Aug 29 '09 at 17:33
Joe Phillips
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how to split the ng-repeat data with three columns using bootstrap
...ce(i, i+size));
}
return newArr;
}
$scope.chunkedData = chunk(myData, 3);
Then your view would look like this:
<div class="row" ng-repeat="rows in chunkedData">
<div class="span4" ng-repeat="item in rows">{{item}}</div>
</div>
If you have any inputs within the ng-...
How to check the version before installing a package using apt-get?
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329
OK, I found it.
apt-cache policy <package name> will show the version details.
It also s...
The tilde operator in Python
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edited Apr 23 '12 at 22:55
answered Nov 29 '11 at 3:02
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Why do we check up to the square root of a prime number to determine if it is prime?
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13 Answers
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