hint

问题 I have an arabic hint in which I want to set in EditText that I am using in Dialog... it worked fine for many devices except Galaxy note 1 which has Android ICS. Note 1 - I converted the language of phone to Arabic so it showed the Arabic hint. 2 - EditText on Activity screens worked fine but on a Dialog it doesn't show the hint in Arabic. The XML EditText in layout is: <EditText android:id="@+id/editText1" android:layout_width="match_parent" android:layout_height="wrap_content" android

问题 Question What is the benefit of applying locks to the below statement? Similarly, what issue would we see if we didn't include these hints? i.e. Do they prevent a race condition, improve performance, or maybe something else? Asking as perhaps they're included to prevent some issue I've not considered rather than the race condition I'd assumed. NB: This is an overflow from a question asked here: SQL Threadsafe UPDATE TOP 1 for FIFO Queue The Statement In Question WITH nextRecordToProcess AS (

问题 How to create EditText hint/placeholder with Text & image in android. I write like this <EditText android:id="@+id/name" android:layout_height="wrap_content" android:layout_width="wrap_content" android:lines="1" ................................ ............................... android:drwableLeft="@drawable/image1" android:hint="enter name here"/> Here we can see image & text (hint) within edittext but image still visible even after user enters something in that field. My requirement is if

问题 This question already has answers here : How to make an Android Spinner with initial text “Select One”? (37 answers) Closed 6 years ago . I have a Spinner in spinnerMode="dropdown" mode. Instead of the preselected first item, I want to show the user a hint, so that there is no default selection (like »Please select an item«) This is the UI I got: and this is the UI I want to achive: I figured that the EditText widget has an android:hint attribute, but not the Spinner widget and setting it

问题 I created a view in sql server 2012, such as: create myview as select mytable2.name from mytable1 t1 join myTable2 t2 on t1.id = t2.id I want that join table1 and table2 will be with correct index (id), but when I do: select * from myview where name = 'abcd' I want that the last select will be with index of column 'name'. What is the correct syntax in sql server with hints (tuning), that do the best run, as I have described? I want to force using of index for join purpose only (the column =

问题 How do you do this in xml, can you? I see this in a related question for the java code to do it, check length is 0 and: EditText.setText(Html.fromHtml("<small><i>" + "Text Hint Here" + "</i></small>")); But can you just do it from xml? EDIT: <EditText android:id="@+id/term_entry" android:layout_width="500dp" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toRightOf="@+id/scrllyout" android:imeOptions="actionNone|flagNoExtractUi" android:inputType=

问题 Can I set some message to appear like a "tooltip" for a TextView or Button? 回答1: There's no concept of "hovering" in a touch screen, but you could set a LongClickListener for your View, and have a Toast appear after a long press. Something like this: Toast viewToast = Toast.makeText(this, "My View Tooltip", Toast.LENGTH_SHORT); View myView = (View)findViewById(R.id.my_view); myView.setOnLongClickListener(new OnLongClickListener() { @Override public void onLongClick(View v) { viewToast.show();

问题 Can I set some message to appear like a "tooltip" for a TextView or Button? 回答1: There's no concept of "hovering" in a touch screen, but you could set a LongClickListener for your View, and have a Toast appear after a long press. Something like this: Toast viewToast = Toast.makeText(this, "My View Tooltip", Toast.LENGTH_SHORT); View myView = (View)findViewById(R.id.my_view); myView.setOnLongClickListener(new OnLongClickListener() { @Override public void onLongClick(View v) { viewToast.show();

问题 I'm trying to execute the following command to force an update to use a non-clustered index: UPDATE Flights SET Airtime=5555678 WHERE Distance=10000 OPTION (TABLE HINT(Flights, INDEX (DistanceIndex))) ... and it's erroring: Msg 8724, Level 16, State 1, Line 75 Cannot execute query. Table-valued or OPENROWSET function 'Flights' cannot be specified in the TABLE HINT clause. I can't find any clear advice on how the syntax should be properly formed inside the TABLE HINT statement. Please can

问题 I have an EditText like below <EditText android:id="@+id/extUsername" android:layout_width="match_parent" android:layout_height="match_parent" android:contentDescription="Username field" android:hint="Username" /> I want TalkBack to say "Username field" but it says "Username". It ignores contentDescription. Do not tell me to remove hint or contentDescription. I need to use both. Any advices will be appreciated. 回答1: What you want to do is use LabelFor instead. LabelFor allows a visual label