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Format floats with standard json module
...o, '.2f')
print(json.dumps(23.67))
print(json.dumps([23.67, 23.97, 23.87]))
emits:
23.67
[23.67, 23.97, 23.87]
as you desire. Obviously, there should be an architected way to override FLOAT_REPR so that EVERY representation of a float is under your control if you wish it to be; but unfortunat...
Calculating distance between two points, using latitude longitude?
...urn (rad * 180.0 / Math.PI);
}
System.out.println(distance(32.9697, -96.80322, 29.46786, -98.53506, 'M') + " Miles\n");
System.out.println(distance(32.9697, -96.80322, 29.46786, -98.53506, 'K') + " Kilometers\n");
System.out.println(distance(32.9697, -96.80322, 29.46786, -98.535...
Expansion of variables inside single quotes in a command in Bash
...e you can do something like this:
echo \"Thank\ you.\ \ That\'ll\ be\ \$4.96,\ please,\"\ said\ the\ cashier
...it can get tiresome. So the shell offers an alternative: quotation marks. These come in two main varieties.
Double-quotation marks are called "grouping quotes". They prevent wildcard...
How to make a great R reproducible example
...thing on larger objects, you can try
my.df2 <- data.frame(a = sample(10e6), b = sample(letters, 10e6, replace = TRUE))
If you're working with spatial data via the raster package, you can generate some random data. A lot of examples can be found in the package vignette, but here's a small nugge...
UnicodeDecodeError: 'utf8' codec can't decode byte 0xa5 in position 0: invalid start byte
...(has no .encode, since its not a string)?
– c8999c 3f964f64
Jul 3 at 9:27
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...
Arduino101(Genuino 101)&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文:https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕:Btn_Connect /&n...
How to list running screen sessions?
...-laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 root utmp 96 Mar 1 2005 .
drwxr-xr-x 10 root root 840 Feb 1 03:10 ..
drwx------ 2 josh users 88 Jan 13 11:33 S-josh
drwx------ 2 root root 48 Feb 11 10:50 S-root
/var/run/screen/S-josh:
total 0
drwx------ 2 josh users 88 Jan ...
Why should Java ThreadLocal variables be static
...mmonPool-worker-3->81->81
Start-ForkJoinPool.commonPool-worker-1->87->87
End-main->62->62
End-ForkJoinPool.commonPool-worker-1->87->87
End-ForkJoinPool.commonPool-worker-2->31->31
End-ForkJoinPool.commonPool-worker-3->81->81
Start-ForkJoinPool.commonPool-worker-2-...
Giving a border to an HTML table row,
...;
<tbody>
<tr>
<th style="width: 96px;">Column 1</th>
<th style="width: 96px;">Column 2</th>
<th style="width: 96px;">Column 3</th>
</tr>
<tr>
<td>&...
How to add reference to System.Web.Optimization for MVC-3-converted-to-4 app
...edited Sep 4 '15 at 14:03
TylerD87
1,4881010 silver badges2020 bronze badges
answered May 7 '14 at 9:13
Myzife...
