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问题 I have a seekbar for example: from 0 to 10. How can I make if I want to set seekbar to 5 as default position. So in this example seekbar should start from middle. 回答1: Use this one android:progress="5" Like "progress", it inherits some of it's attributes from ProgressBar. You find all the attributes at http://developer.android.com/reference/android/widget/SeekBar.html 回答2: To get Seekbar at the value of 5 In the xml layout use the max value as 10 android:max="10" In the java for seekbar to

问题 I seem to have a problem with my code. I have created a test activity, just to see what's wrong, still I can't. public class test extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); String extra = "test"; NotificationManager myNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); Intent intent = new Intent(this, test

问题 I wrote a wizard which form view should show a one2many field with rows taken from context['active_ids']. I set the one2many default correctly, but when the form opens, no rows are showed. Did I miss anything? (I apologize for code bad indentation) class delivery_wizard(models.TransientModel): _name = 'as.delivery.wizard' address = fields.Many2one('res.partner') details = fields.One2many('as.delivery.detail.wizard', 'delivery') carrier = fields.Many2one('delivery.carrier') @api.model def

问题 Is there a way to set a default schema for each user in MySQL and if so how? Where user x would default to schema y and user z would default to schema a. 回答1: There is no default database for user. There is default database for current session. You can get it using DATABASE() function - SELECT DATABASE(); And you can set it using USE statement - USE database1; You should set it manually - USE db_name , or in the connection string. 回答2: If your user has a local folder e.g. Linux, in your users

问题 In WPF, I would like to be able to template how my bindings are applied by default. For instance, I want to write : Text="{Binding Path=PedigreeName}" But it would be as if I had typed : Text="{Binding Path=PedigreeName, Mode=TwoWay, UpdateSourceTrigger=LostFocus, NotifyOnValidationError=True, ValidatesOnDataErrors=True, ValidatesOnExceptions=True}" Any idea ? Thanks, Patrick 回答1: In addition to Joe White's good answer, you could also create a class that inherits from Binding and sets the

问题 In mysql 5.x Whats the difference if I do something like this: CREATE TABLE aTable ( id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY, aNumber bigint(20) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARACTER SET=utf8; with this: CREATE TABLE aTable ( id BIGINT NOT NULL AUTO_INCREMENT PRIMARY KEY, aNumber bigint(20) DEFAULT NULL ) ENGINE=InnoDB CHARACTER SET=utf8; Notice I am not specifying the character set as default in the first one. I couldn't find anything in the mysql docs. 回答1: The word DEFAULT

问题 I am creating a new table in Microsoft SQL server 2000 by writing the code instead of using the GUI, I am trying to learn how to do it "the manual way". This is the code I am actually using, and it works fine: CREATE TABLE "attachments" ( "attachment_id" INT NOT NULL, "load_date" SMALLDATETIME NOT NULL, "user" VARCHAR(25) NOT NULL, "file_name" VARCHAR(50) NOT NULL, CONSTRAINT "pk_attachments" PRIMARY KEY ("attachment_id"), CONSTRAINT "fk_users" FOREIGN KEY ("user") REFERENCES "users" ("user")

问题 It isn't looking nice when using EditText enabled="false". How can I change it automatically for all of the controls? I've added this image for reference. Can someone help me? Thanks. 回答1: In the color file define your color: <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_enabled="false" android:color="@color/disabled_color" /> <item android:color="@color/normal_color"/> </selector> In the layout: <EditText

问题 I am trying to store a value inside a variable depending on the input: switch(pepperoni) { case 'Y': case 'y': topping1 = 1; break; case 'N': case 'n': topping1 = 0; break; default: { System.out.print("This is not a valid response, please try again \n"); System.out.print("Do you want Pepperoni? (Y/N): "); pepperoni = scan.next().charAt(0); break; } I want the variable topping1 to store the value 1 if the input is 'Y' or 'y' and to store the value 0 if the input is 'N' or 'n' If the input is

问题 I've got another bash-script problem I simply couldn't solve. It's my simplified script showing the problem: while getopts "r:" opt; do case $opt in r) fold=/dev dir=${2:-fold} a=`find $dir -type b | wc -l` echo "$a" ;; esac done I calling it by: ./sc.sh -r /bin and it's work, but when I don't give a parameter it doesn't work: ./sc.sh -r I want /dev to be my default parameter $2 in this script. 回答1: There may be other parameters before, don't hard-code the parameter number ($2). The getopts