cursor

问题 This question already has answers here : How can i replace cursor with bitmap in winform (2 answers) Closed 6 years ago . Assuming I have an existing System.Drawing.Bitmap object, how do I create a System.Windows.Forms.Cursor object with the same pixel data as my Bitmap object? 回答1: This answer is taken from this question. It allows you to both create a Cursor from a Bitmap object and set its hotspot. public struct IconInfo { public bool fIcon; public int xHotspot; public int yHotspot; public

问题 I know We can use ImageIcon class and Cursor Class to Create a Cursor and Assign it to a Componenet. As a Example Image image1 = toolkit.getImage("Released.gif"); Cursor c1 = toolkit.createCustomCursor(image1, new Point(5,5), "img"); I Just Googled to find whether there is a way to take .cur(Windows Cursor Format) as a Cursor in Java application. But I Couldn't find a way... But still feels there should be a way to do that as .cur is a famous file format. Actually, Is there a way to take .cur

问题 I am stucked by this for a long time. How can I move the cursor in the command line of tcsh, as did by ctrl + arrow in vim editor, ipython shell, firefox, word etc. All these above can do this nicely, excetp tcsh, which is really frustrating. 回答1: Try Esc b and Esc f . For future reference, non-programming-related questions like these may be more appropriate at SuperUser. 回答2: tcsh has key bindings to mimic VI-style editing commands. Just put this in your ~/.cshrc file: > bindkey -v You can

问题 I want to know the practical difference between strong and weak ref cursor . Strong ref_cursor will always use to return a value and compiler know the structure during the compile time, but in the weak ref cursor it will not return a value and compiler dosen't know the structure during the compile time. This is the basic difference but my question is what value will be returned by the strong ref cursor and where that returned value will be used. 回答1: A strongly typed ref cursor always returns

问题 This is a follow-up of my question: Make the cursor a self-drawn image. I have a paint a picture application. The latest working version can be found here: https://knowledgeablekangaroo.github.io/paint-a-picture-backup/, where the code can be found in F12 > Sources > paint-a-picture.js . The user can choose a color, set the background, set the thickness, shape, and opacity. There is also an eraser functionality. I want there to be a better user experience, so I am trying to draw the eraser

问题 I am trying to implement something like the "Change/Remove Link" in Gmail/Google Docs richtext WYSIWYG edtior, when you type a URL, a div shows underneath it says "Goto Link, Change, Remote" How could I write something like that using jQuery? How to get row and column of cursor? how can I calculate font width and height (especially non-fixed width font with some Bold/Italic style) How to make sure the DIV appears at the start of a word? Thank you in advance! 回答1: Answer: http://jsfiddle.net

问题 I am taking a database class and at the beginning of the lab section of the class we usually have to drop all the tables in the database created previously. I wanted to be able to run a script that does this dynamically, but cannot seem to get it to work. Here is the code I have so far. declare tname string(50); cursor ctable is select table_name from user_tables; begin open ctable; LOOP FETCH ctable into tname; if tname != '' then execute immediate 'drop table ' || tname; END if; EXIT WHEN

问题 I have a content provider in on apk which is providing Rest Based Search results for multiple client apps. Basically, the client requests a cursor via content resolver, then fires an intent service request to trigger the search.. In the provider, the cursor is returned to a table, and each intent service request populates the corresponding table, and triggers a NotifyDataSetChanged. Works really well.. The only issue I am having is that if the Provider is killed for some reason (tested by

问题 When you try to display the contents of a database in TextView pops up here this error: 02-27 19:44:59.519: E/AndroidRuntime(5696): FATAL EXCEPTION: main 02-27 19:44:59.519: E/AndroidRuntime(5696): android.database.CursorIndexOutOfBoundsException: Index 0 requested, with a size of 0 02-27 19:44:59.519: E/AndroidRuntime(5696): at android.database.AbstractCursor.checkPosition(AbstractCursor.java:418) 02-27 19:44:59.519: E/AndroidRuntime(5696): at android.database.AbstractWindowedCursor

问题 I would like to be able to print out all results for a query (that should be filtered by the PK from TableA) and do this for each PK in TABLEA. This is what i have so far: DECLARE CURSOR Curs IS SELECT DISTINCT PKID FROM TABLEA; BEGIN FOR rec IN Curs LOOP EXECUTE IMMEDIATE 'SELECT * FROM ( SELECT cola, FKTABLEA, colc, lag (cold,1) OVER (ORDER BY cold) AS cold FROM tableB WHERE FKTABLEA = :1) WHERE colc != cold order by cola' using Curs.PKID; DBMS_OUTPUT.PUT_LINE('OUTPUT ALL RESULTS FROM THE