JimmyQ

[Android] BLE Gatt error 133 (solved)

2019-01-15T23:17:00.005-08:00

BLE disconnect. Gatt error 133

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

connectDevice.connectGatt(context, Consts.autoConnect, gatt_callback, BluetoothDevice.TRANSPORT_LE);
}else {

connectDevice.connectGatt(context, Consts.autoConnect, gatt_callback);
}

Delete a branch in "CVS"

2016-03-14T19:31:00.004-07:00

Delete a branch in "CVS"

command: tag -dB branchname

-d: delete

-B: override and let it know to delete the branch (not a tag).

Two floating numbers 四捨五入

2015-09-23T01:10:00.000-07:00

Input two floating numbers X and P.

a. 0 < X <1
b. P = 1 / 0.1 / 0.01/ 0.001
c. answer format %.4f

ex:
if X is 0.5678 and P is 0.01, then the answer is 0.5700
if X is 0.1269 and P is 0.1, then the answer is 0.1000

閱讀更多 »

C int mapping string

2015-09-17T22:36:00.004-07:00

Encoding scheme defined by the following mapping:

1->'A',
2->'B',
3->'C',
...,
9->'I',
0->'J'.

Input A three-digit integer N

Output The encoding result

閱讀更多 »

Xcode 6.0.1 / iOS 8 UIAlertController

2014-09-24T04:00:00.000-07:00

UIAlertControllerStyleAlert with Buttons

UIAlertController *alertController = [UIAlertController alertControllerWithTitle:nil message:nil preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"Cancel"
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *action)
{
NSLog(@"Cancel Action");
}];

UIAlertAction *deleteAction = [UIAlertAction actionWithTitle:@"Delete"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction *action)
{
NSLog(@"Delete Action");
}];

[alertController addAction:cancelAction];
[alertController addAction:deleteAction];

[self presentViewController:alertController animated:YES completion:nil];

iOS set UIImageView to CircleView

2014-09-10T00:35:00.002-07:00

- (id)imageViewSetCornerRadius:(UIImageView *)imageView withImage:(UIImage *)image {

imageView.image = image;

imageView.layer.borderWidth = 3.0f;

imageView.layer.borderColor = [UIColor whiteColor].CGColor;

imageView.layer.cornerRadius = imageView.frame.size.width / 2;

imageView.clipsToBounds = YES;

return imageView;

}

[iOS] Objective-c sharedApplication delegate, global @property

2014-07-13T19:33:00.003-07:00

AppDelegate.h

#define appDelegate ((AppDelegate *)[[UIApplication sharedApplication] delegate])

@property (nonatomic, assign)NSInteger globalCount;

How to use?

[Android] ArrayList save HashMap

2014-07-10T22:30:00.000-07:00

ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>>();

//Save

for(int i=0;i<5;i++) {

HashMap<String,String> tempMap = new HashMap<String,String>();

String name = "server"+i;

String mac = "11:22:33:44:55:6"+i;

tempMap.put("DEVICE_NAME",name);

tempMap.put("DEVICE_MAC",mac);

peripheralScanResultList.add(tempMap);

}

//Get

for(HashMap<String, String> tempMap: peripheralScanResultList) {

Iterator<String> iterator = tempMap.keySet().iterator();

while( iterator.hasNext() ){

String key=(String)iterator.next();

String value=(String)tempMap.get(key);

Log.i(TAG, key + ", " +value);

}

[Android] SQLite execSQL, rawQuery

2014-07-10T18:27:00.001-07:00

SQLiteDatabase db = dbHelper.getWritableDatabase();

a. Create table

String INIT_TABLE = "CREATE TABLE IF NOT EXISTS " + tableName + " ("
+ _ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
+ field1 + " TEXT, "
+ field2 + " INTEGER, "
+ field3 + " VARCHAR );" ;

db.execSQL(INIT_TABLE);

b. Delete table

try {

db.execSQL("delete from "+ tableName);

} catch (SQLException e) {

Log.e("ERROR", e.toString());

}

db.close();

[iOS] Objective-c save/load image under APP document

2014-06-20T02:55:00.002-07:00

Objective-c save/load image under APP document

Save image:

[self saveImageInDocumenet:Image withName:@"blue"];

Load image with name:

UIImage *image = [self loadImageFromDocumentWithName:@"blue"];

- (void)saveImageInDocumenet:(UIImage *)image withName:(NSString *)name {

if (image != nil) {

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,

NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];

NSString* path = [documentsDirectory stringByAppendingPathComponent:name];

NSData* data = UIImagePNGRepresentation(image);

[data writeToFile:path atomically:YES];

}

[iOS] Objective-c NSString to Hex string

2014-06-20T02:39:00.003-07:00

Objective-c NSString to Hex string

NSData *data = [self parseMacAddress:@"AABBCCDDEEFF "];

NSLog(@"After transfer: %@", data);

= > AABBCCDDEEFF (Hex)

[Android] Bluetooth Chat receive data lost

2013-06-14T01:58:00.001-07:00

原先:
while (true) {
                try {
                    // Read from the InputStream
                    bytes = mmInStream.read(buffer);
                    // Send the obtained bytes to the UI Activity
                    mHandler.obtainMessage(BluetoothChat.MESSAGE_READ, bytes, -1, buffer)
                            .sendToTarget();
                } catch (IOException e) {
                    Log.e(TAG, "disconnected", e);
                    connectionLost();
                    // Start the service over to restart listening mode
                    BluetoothChatService.this.start();
                    break;
                }
            }
閱讀更多 »

[Android] remember me checkbox

2013-04-29T20:34:00.001-07:00

private CheckBox checkBox;
SharedPreferences login_pref;
private SharedPreferences.Editor loginPrefsEditor;
private Boolean saveLogin;

// onCreate

username = (EditText) findViewById(R.id.editText_username);
password = (EditText) findViewById(R.id.editText_password);
login = (Button) findViewById(R.id.button_login);
checkBox = (CheckBox)findViewById(R.id.checkBox1);
login.setOnClickListener(this);

login_pref = getSharedPreferences("loginPrefs", MODE_PRIVATE);
loginPrefsEditor = login_pref.edit();
saveLogin = login_pref.getBoolean("saveLogin", false);
if (saveLogin == true) {
username.setText(login_pref.getString("username", ""));
password.setText(login_pref.getString("password", ""));
checkBox.setChecked(true);
}

閱讀更多 »

PandaBoard driver install

2013-04-25T19:34:00.002-07:00

PandaBoard Driver Install

find sdk\extras\google\usb_driver\android_winusb.inf
open it and
add:

;OMAP-3/4
%SingleAdbInterface% = USB_Install, USB\VID_18D1&PID_D002&REV_0216
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D102&MI_01
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D106&MI_02
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_D107&MI_03
%SingleAdbInterface% = USB_Install, USB\VID_0451&PID_FFFFE
%CompositeAdbInterface% = USB_Install, USB\VID_0451&PID_FFFE&MI_01

in [Google.NTx86]

( PandaBoard 硬體識別碼)

設定好之後, 再更新驅動程式 from sdk\extras\google\usb_driver folder
便可以順利安裝

[Android] NFC API application

2013-04-18T02:52:00.000-07:00

如何註冊我的APP是NFC程式呢？

1. 首先要先開起 AndroidManifest.xml

<activity android:configchanges="locale" android:label="@string/app_name" android:name=".MyNfc" android:screenorientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN">
<category android:name="android.intent.category.LAUNCHER">
</category></action>
</intent-filter>

<intent-filter>
<action android:name="android.nfc.action.TAG_DISCOVERED">
</action>
</intent-filter>
<intent-filter>
<action android:name="android.nfc.action.TECH_DISCOVERED">
</action></intent-filter>
<meta-data android:name="android.nfc.action.TECH_DISCOVERED" android:resource="@xml/nfc_tech_filter.xml">
</meta-data>
</activity>

閱讀更多 »

[Android] SimpleDateFormat ms

2012-05-03T00:46:00.001-07:00

java.text.SimpleDateFormat date =
new java.text.SimpleDateFormat(""yyyy/MM/dd HH:mm:ss:SSS"); //SS = ms

saveTime = date.format(new Date(System.currentTimeMillis()));

office2003升級2007一直失敗出現Windows Installer 服務無法更新某些被防寫保護的windows 檔案

2011-11-20T22:01:00.001-08:00

解決方法如下：

下載 fp4autl.dll 這檔案

閱讀更多 »

apache httpd.conf virtual directory

2011-05-22T05:59:00.000-07:00

Apache virtual directory設定：

以windows 7安裝appserv為例
appserv www 目錄在 C:\AppServ\www
想要新增一virtual directory取代本機端檔案夾目錄

找到apache的httpd.conf
以我的安裝為例, C:\AppServ\Apache2.2\conf

在空白處加上：

閱讀更多 »

[C] read txt file number and separate save

2011-05-16T20:21:00.000-07:00

ex:
輸入：
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

輸出 :
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

#include<stdio.h>

int main( void )
{
    int h1 , m1 , h2 , m2;
    while(1)
    {
閱讀更多 »

[C#] Console.ReadLine txt file

2011-05-16T20:19:00.000-07:00

ex:
輸入：
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

輸出 :
1 5 3 5
23 59 0 34
21 33 21 10

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Collections;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string line;
            while( (line=Console.ReadLine()) != null)
閱讀更多 »

[VB] Console.ReadLine txt file

2011-05-16T20:14:00.000-07:00

ex:
輸入：
1 5 3 5
23 59 0 34
21 33 21 10
0 0 0 0

輸出 :
1 5 3 5
23 59 0 34
21 33 21 10

Imports System
Imports Microsoft.VisualBasic
Imports System.IO
Imports System.Collections

Module Module1
    Sub Main()
        Dim intA, intB, intC, intD As Integer
        Dim intTotal As Integer
        intTotal = 0
        Dim line As String

        DO
閱讀更多 »

[Python] Hello World

2010-12-11T17:11:00.000-08:00

helloworld.py 是網頁程式的部份

print "Content-Type: text/plain"
print ''
print 'Hello, world! I\'m finalevil~'

第1行:設定目前網頁資料的類型為"文字"
第3行:輸出至網頁的文字內容

app.yaml 則是GAE的配置文件

application: helloworld
version: 1
runtime: python
api_version: 1

handlers:
- url: /.*
script: helloworld.py

閱讀更多 »

[C] selection sort

2010-12-07T08:10:00.001-08:00

[C] Insertion sort

2010-12-07T03:48:00.000-08:00

[C] Array sort

2010-12-06T06:43:00.000-08:00

JimmyQ

[Android] BLE Gatt error 133 (solved)

Delete a branch in "CVS"

Two floating numbers 四捨五入

C int mapping string

Xcode 6.0.1 / iOS 8 UIAlertController

iOS set UIImageView to CircleView

[iOS] Objective-c sharedApplication delegate, global @property

[Android] ArrayList save HashMap

[Android] SQLite execSQL, rawQuery

[iOS] Objective-c save/load image under APP document

[iOS] Objective-c NSString to Hex string

[Android] Bluetooth Chat receive data lost

[Android] remember me checkbox

PandaBoard driver install

[Android] NFC API application

[Android] SimpleDateFormat ms

office2003升級2007一直失敗 出現Windows Installer 服務無法更新某些被防寫保護的windows 檔案

apache httpd.conf virtual directory

[C] read txt file number and separate save

[C#] Console.ReadLine txt file

[VB] Console.ReadLine txt file

[Python] Hello World

[C] selection sort

[C] Insertion sort

[C] Array sort

office2003升級2007一直失敗出現Windows Installer 服務無法更新某些被防寫保護的windows 檔案