data-retrieval

问题 I have the following requirement, I have a ComboBox Control (DropDownList Style) which user has to select a given value, but can not edit. Then I save it to a Database Table, and it's working fine. (dataRow("it_discount_profile") = Trim(cmbDisProfile.Text)) But when I try to show the same Data in the same ComboBox by retrieving it from the Database, it won't show. (cmbDisProfile.Text = Trim(tempTb.Rows(0).Item("it_discount_profile"))) When I change the ComboBox to "DropDown Style", it works.

问题 I need to get names from destinations table for each from_destination_id and to_destination_id as fromDestinationName and toDestinationName $bookingTransfersData = DB::table('transfers as t') ->select('t.periodStart as periodStart', 't.periodEnd as periodEnd','t.days','t.transfer_id','t.cost_round_trip', 't.cost_one_way','t.status','d.destination_id as destinationId','d.name as destinationName', 't.type', 'tf.name as officeName', 'ag.name as agencyName', 'u.name as userName', 'v.name as

问题 I am using mongodb java driver 3.4. In the mongodb database documents are saved according to the following structure: { "_id" : ObjectId("595a9fc4fe3f36402b7edf0e"), "id" : "123", "priceInfo" : [ {object1: value1}, {object2: value2}, {object3: value3} ] } In order to retrieve the "priceInfo"-Array of a Document with a specific id, I wrote the following code: collection.find(eq("id", id)).first().projection(fields(include("priceInfo"), excludeId())); I wrote this code according too the

问题 I want to download a file from a URL, this one : http://download.finance.yahoo/d/quotes.csv?s=YHOO+GOOG+MSFT&f=sl1d1t1c1hgvbap2 When i go on my browser and input this URL in my browser, the file is automatically downloaded as it should. What I want is to download this file without going on my browser using a program in C language, I need this type of information for a financial project. I tried to download the file using libcurl but libcurl downloads the HTML page corresponding to this URL

问题 This question already has an answer here : How to pass variable values dynamically in pandas sql query (1 answer) Closed 11 months ago . I want to do sql query in python. I could use cx_oracle to connection database in python: # Build connection conn_str = u'username/password@host:1521/sid' conn = cx_Oracle.connect(conn_str) Now I'm trying to retrieve data from the database by using SQL query in Python: sql_select_statement = """SELECT * FROM TABLE WHERE DATE BETWEEN '20-oct-2017' AND '30-oct

问题 This question already has an answer here : How to pass variable values dynamically in pandas sql query (1 answer) Closed 11 months ago . I want to do sql query in python. I could use cx_oracle to connection database in python: # Build connection conn_str = u'username/password@host:1521/sid' conn = cx_Oracle.connect(conn_str) Now I'm trying to retrieve data from the database by using SQL query in Python: sql_select_statement = """SELECT * FROM TABLE WHERE DATE BETWEEN '20-oct-2017' AND '30-oct

问题 This question already has an answer here : How to pass variable values dynamically in pandas sql query (1 answer) Closed 11 months ago . I want to do sql query in python. I could use cx_oracle to connection database in python: # Build connection conn_str = u'username/password@host:1521/sid' conn = cx_Oracle.connect(conn_str) Now I'm trying to retrieve data from the database by using SQL query in Python: sql_select_statement = """SELECT * FROM TABLE WHERE DATE BETWEEN '20-oct-2017' AND '30-oct

问题 After a long trial ,I finally successfully able to upload an image to an oracle database . At least my code says so. However to check whether the image has been successfully I wrote a servlet . After running the servlet I get a black screen in my browser and nothing else. The servlet code is: import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.sql.Blob; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement;

问题 how can i pass the value or the position of the selected item in listview to a new activity tha will use that value to retrieve data from database in listview (in the new activity) i have code that it works but always pass a null value for the position that has been passed. my code for the first activity : listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent,View view, int position, long id) { // ListView Clicked item index int

问题 I cannot get the createdAt value from Parse for each object.And I dont want to have to save an additional timestamp as a String when the data is sitting right there. This is the list of what i was doing.I hope someone who can help ---------------------------------------------------------------------- var followArray = [String]() var resultsNameArray = [String]() var resultsIcon = [PFFile]() var resultsImgArray = [PFFile?]() var resultsTimeTampArray = [NSDate?]() ------------------------------