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How do I check OS with a preprocessor directive?
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Frederik
34633 silver badges1414 bronze badges
answered Nov 23 '11 at 21:21
Lambda FairyLambda Fairy
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Implementing Comments and Likes in database
...site on which a user will be allowed to mark an entity as liked (like in FB), tag it and comment .
7 Answers
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What does .SD stand for in data.table in R
....SD]
# playerID yearID teamID W L G ERA
# 1: bechtge01 1871 PH1 1 2 3 7.96
# 2: brainas01 1871 WS3 12 15 30 4.50
# 3: fergubo01 1871 NY2 0 0 1 27.00
# 4: fishech01 1871 RC1 4 16 24 4.35
# 5: fleetfr01 1871 NY2 0 1 1 10.00
# --...
Generate a random alphanumeric string in Cocoa
...John Riselvato
12.3k55 gold badges5757 silver badges8787 bronze badges
2
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Base64 length calculation?
...t 1.
– Maarten Bodewes
Jun 19 at 13:46
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show 2 more comments
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How to add text inside the doughnut chart using Chart.js?
... value: 100,
color: "#D4CCC5"
}, {
value: 40,
color: "#949FB1"
}, {
value: 120,
color: "#4D5360"
}];
var DoughnutTextInsideChart = new Chart($('#myChart')[0].getContext('2d')).DoughnutTextInside(data, {
responsive: true
});
<html>
<script src="//ajax....
How to serialize an object into a string
...o write it down into a String you can encode the bytes using java.util.Base64.
Still you should use CLOB as data type because you don't know how long the serialized data is going to be.
Here is a sample of how to use it.
import java.util.*;
import java.io.*;
/**
* Usage sample serializing Som...
How to implement Enums in Ruby?
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Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Sep 16 '08 at 19:32
mlibbymlib...
App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 · App Inventor 2 中文网
...UUID是0x180D，使用的UUID基数是：00000000-0000-1000-8000-00805F9B34FB。
厂商自定义UUID：同样采用UUID基数 + 16位UUID的形式，由厂商定义，如BLE串口服务的UUID是0x001，使用的UUID基数是：6E400001-B5A3-F393-E0A9-E50E24DCCA9E。
标准16位UUID技术文档...
When should I use the Visitor Design Pattern? [closed]
...ed Apr 29 '19 at 13:34
alexlomba87
65611 gold badge99 silver badges2525 bronze badges
answered Nov 1 '08 at 0:11
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