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Finding median of list in Python
...> from numpy import median
>>> median([1, -4, -1, -1, 1, -3])
-1.0
For python-3.x, use statistics.median:
>>> from statistics import median
>>> median([5, 2, 3, 8, 9, -2])
4.0
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Very simple log4j2 XML configuration file using Console and File appender
...
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO">
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36}...
F# development and unit testing?
...>]
let CreateOctantBoundaryReordersMinMax() =
let Max = VectorFloat(1.0, 1.0, 1.0)
let Min = VectorFloat(-1.0, -1.0, -1.0)
let result = OctantBoundary.create Min Max
Assert.Equal(Min, result.Min)
Assert.Equal(Max, result.Max)
...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...App Inventor 2 模拟sleep函数
【列表过滤】App Inventor 2 过滤蓝牙设备列表
【代码简洁之道】App Inventor 2 任意(Any)代码块
【技巧】代码块导出图像，以及还原
【技巧】块拓展：参数可变
【技巧】拷贝及分享功能
【技巧】App I...
App Inventor 2 中文网原创内容 · App Inventor 2 中文网
...App Inventor 2 模拟sleep函数
【列表过滤】App Inventor 2 过滤蓝牙设备列表
【代码简洁之道】App Inventor 2 任意(Any)代码块
【技巧】代码块导出图像，以及还原
【技巧】块拓展：参数可变
【技巧】拷贝及分享功能
【技巧】App I...
Random Gaussian Variables
...m rand = new Random(); //reuse this if you are generating many
double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles
double u2 = 1.0-rand.NextDouble();
double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) *
Math.Sin(2.0 * Math.PI * u2); //random normal(0,1)
double randNormal...
What is normalized UTF-8 all about?
The ICU project (which also now has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching.
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Android Studio suddenly cannot resolve symbols
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I am using android studio 1.0.2, when i opened my project, i was full of red errors. i solved it by android studio-->file-->invalidate chaches/restart. when my project restarted it worked..no red errors
– SoftEye
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How to check if a String contains another String in a case insensitive manner in Java?
...---------
1. Using regionMatches() 670 ms 10.7x 1.0x
2. 2x lowercase+contains 2829 ms 2.5x 4.2x
3. 1x lowercase+contains cache 2446 ms 2.9x 3.7x
4. Regexp 7180 ms 1.0x 10.7x
5. Regexp...
How to hide first section header in UITableView (grouped style)
...derInSection:(NSInteger)section
{
if (section == 0)
return 1.0f;
return 32.0f;
}
- (NSString*) tableView:(UITableView *) tableView titleForHeaderInSection:(NSInteger)section
{
if (section == 0) {
return nil;
} else {
// return some string here ...
}
}...