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  • Is it possible to have a composite index with a list property and a sort order?

    - by npdoty
    And if not, why not? The following index always fails for me, even though I had thought I could have a sort order with a list property as long as the index didn't sort or match against any other properties. - kind: Foo properties: - name: location_geocells - name: time direction: desc If such a composite index is allowed, are there any reasons that this might be failing for me? Do the existence of other indices on the same model increase the likelihood of this failure? Does the combination of a sort order with a list property require more than N entries, where N is the number of values in the list property? (If so, how many does it require?)

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  • excel:mysql: rs.Update not working

    - by every_answer_gets_a_point
    i am updating a table using an ODBC connection from excel to mysql unfortunately the only column that gets updated is this one: .Fields("instrument") = "NA" where i am assigning variables to .Fields, it is putting NULL values!! what is going on here? here's the code Option Explicit Dim oConn As ADODB.Connection Private Sub ConnectDB() Set oConn = New ADODB.Connection oConn.Open "DRIVER={MySQL ODBC 5.1 Driver};" & _ "SERVER=localhost;" & _ "DATABASE=employees;" & _ "USER=root;" & _ "PASSWORD=pas;" & _ "Option=3" End Sub Function esc(txt As String) esc = Trim(Replace(txt, "'", "\'")) End Function Private Sub InsertData() Dim dpath, atime, rtime, lcalib, aname, rname, bstate, instrument As String Dim rs As ADODB.Recordset Set rs = New ADODB.Recordset ConnectDB With wsBooks rs.Open "batchinfo", oConn, adOpenKeyset, adLockOptimistic, adCmdTable Worksheets.Item("Report 1").Select dpath = Trim(Range("B2").Text) atime = Trim(Range("B3").Text) rtime = Trim(Range("B4").Text) lcalib = Trim(Range("B5").Text) aname = Trim(Range("B6").Text) rname = Trim(Range("B7").Text) bstate = Trim(Range("B8").Text) ' instrument = GetInstrFromXML(wbBook.FullName) With rs .AddNew ' create a new record ' add values to each field in the record .Fields("datapath") = dpath .Fields("analysistime") = atime .Fields("reporttime") = rtime .Fields("lastcalib") = lcalib .Fields("analystname") = aname .Fields("reportname") = rname .Fields("batchstate") = bstate .Fields("instrument") = "NA" .Update ' stores the new record End With ' get the last id Set rs = oConn.Execute("SELECT @@identity", , adCmdText) 'MsgBox capture_id rs.Close Set rs = Nothing End With End Sub

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  • Font display in iPhone

    - by Joe
    I develop a simple mobile page; the font displayed is very samll although I set it as 33px and the screen resolution for iPhone is 320 X 480. Does anyone know why it is so small? Or the screen resolution is not 320 X 480 since it can be zoomed. Then how do I make the font to be adapted to the resolution automatically?

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  • Stand-alone app to enter records through forms?

    - by OverTheRainbow
    Hello I need to find a stand-alone (ie. no OpenOffice-based tools, for instance) Windows application that can present users with forms to enter records into an SQLite database. The goal is to migrate data from Excel sheets into a serverless, single-user database like SQLite. As a bonus, the application would also have a somewhat-protected admin section so that I can also use it to CRUD data with the same app, but it's not a requirement. There are a lot of applications listed on the official SQLite site: Can someone recommend one that is meant for end-users, either open- or closed-source? Thank you.

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  • Starting a SKProductsRequest gives -[_NSCFArray length] invalid selector error a moment later. LoadMicroPaymentsProductsOperation error.

    - by quantumpotato
    I'm fetching a list of identifiers from my server, then passing them off in a products request to Apple. Here's my code, and below is the error I'm getting. The iPhone 4 is not crashing when this happens. -(void)didReceiveData:(NSArray *)data { NSLog(@"Received Identifiers: %@",data); NSSet *productIdentifiers = [NSSet setWithArray:data]; SKProductsRequest *productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers]; productsRequest.delegate = self; [productsRequest start]; NSLog(@"productsRequest should have started by now"); } Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: Received Identifiers: ( ( 1, 10, "com.XXXX.XXXX.10" ) ) Wed Dec 29 09:42:14 iPhone XXXX-iphone[6363] <Warning>: productsRequest should have started by now Wed Dec 29 09:42:18 iPhone itunesstored[6367] : -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 Wed Dec 29 09:42:18 iPhone itunesstored[6367] : caught -[__NSCFArray length]: unrecognized selector sent to instance 0x119070 exception with stack trace: (0x33ac0975 0x3347b49d 0x33ac2133 0x33a69aa9 0x33a69860 0x2717b 0x27515 0x31469651 0x314693ed 0x31469e39 0x3362795f 0x336276c3 0x3363c4eb 0x33c32680 0x33c32ba0 0x33bd7251 0x33bcf978)

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  • WPF binding: Doing a temperature converter app

    - by Bob
    Hi there, I'm doing a little app that basically has 2 text boxes. You'll enter Fahrenheit into TextBoxA and Celsius into TextBoxB. As the text changes in TextBoxA I want the equivalent Celsius value to be displayed in TextBoxB and vice versa. I can come up with a solution pretty easy for this but i'm trying to be a little clever. Is there a way to do it all in Xaml except for a Convert class that does the maths? So basically I want the TextChanged event of one textBox to pass in it's value into a Converter class that is evaluated and sent to the other TextBox and visa versa. Anyone know how I can achieve this ... and if it's possible at all?

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  • [ASP.NET MVC] Problem with View - it does not refresh after db update

    - by crocodillez
    Hi, I am working with small ASP.NET MVC project - online store. I have addToCart method which adds selected product to cart - it updates cart table in my db and showing cart view with its content. But I have problems. while db is updating correctly the view does not. I see that quantity of the product in my db is incremented correctly but quantity in view is not changed. I have to stop debugging my app in visual studia and restart it - then my view is showing correct data. What can be wrong?

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  • Uploading Files to AWS S3 from an Android App

    - by Abhishek Kaushik
    Edited 7th June,14 My Android app needs to have a feature where clients can upload their files. I want AWS S3 as my storage. Moreover i dont want to use SECRET_KEY and ACCESS_KEY_ID on client side. What is the the best way to do this. Can someone provide the working code too ? I read that i can request to AWS for a signed URL and then make client directly upload to that URL. How to achieve this ?

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  • Problems when trying to submit iphone app

    - by ryug
    I'm a fairly new developer. When I try to submit my iphone app with xcode, I've got error as follows; Code Sign error: The identity 'iPhone Distribution' doesn't match any valid, non-expired certificate/private key pair in the default keychain After searching, I found out that I have to create a Distribution Provisioning Profile. However, my distribution provisioning profile doesn't work, even though my Development Provisioning Profile works perfectly. Could someone please help me with this problem? I'm stuck all day... and please forgive me that my English is not great. Thank you in advance.

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  • Update all but one result?

    - by Jack M.
    I'm trying to update a table to remove all but the first instance of a group. Basically, I have a table with vehicle data related to an insurance policy. Each policy should only have one power_unit. Everything else should be a towed unit. Unfortunately, a bug has been duplicating power units, and now I need to clean this up. There are ~10k records in the database, and ~4k of them have doubled up power units. The important bits of my table (call it test1 for now) are: +------------+---------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+---------+------+-----+---------+----------------+ | id | int(10) | NO | PRI | NULL | auto_increment | | policy_id | int(10) | NO | | NULL | | | power_unit | int(1) | NO | | 0 | | +------------+---------+------+-----+---------+----------------+ And some sample data: +----+-----------+------------+ | id | policy_id | power_unit | +----+-----------+------------+ | 1 | 1 | 1 | | 2 | 1 | 1 | | 3 | 1 | 1 | | 4 | 2 | 1 | | 5 | 2 | 1 | | 6 | 2 | 1 | | 7 | 4 | 1 | | 8 | 4 | 1 | | 9 | 4 | 1 | | 10 | 5 | 1 | | 11 | 5 | 1 | | 12 | 6 | 1 | +----+-----------+------------+ Basically I'd like to end up where policy_id 1 has only one power_unit=1. Same for policy_id 2, 3, 4, etc. For policy_id 6, nothing should change (there is only one entry, and it is a power_unit already). I don't know if this is possible, but it was an intriguing problem for me, so I thought you guys might find it the same.

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  • Image impending other elements in iphone app view!

    - by wayne
    Hi. If someone could help I have a view in my iphone app with an image, a label and a button. I have positioned the image at the back however when I run the simulator the image is all that is showing. I have done exactly the same thing with other views and they work fine but can't get this one to work. I have checked that the image is "send to back" and other elements are at the front. Still no good. Any advice would be much appreciated. Thanks

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  • update entire table with pdo

    - by MephDaddy
    I am working on a simple gaming ladder script. I am having little to no luck trying to find an effective way to reset my ladder information while leaving my table id and name fields intact. I am trying to get create a loop to update my entire table, similar to the way I draw my table. Shown below. ...... //Start displaying ladder with with team with most wins at the top echo "<TABLE border=1 width=500 align=center><TR>"; foreach($db->query('SELECT * FROM test ORDER BY win DESC , name ASC') as $row) { echo "<TR><TD>" . $row['name'] . "</TD><TD>" . $row['win'] . "</TD><TD>"; echo $row['loss'] . "</TD><TD>" . $row['battles'] . "</TD><TD>"; echo $row['score'] . "</TD></TR>"; } ...... I currently have a table with 6 fields(id,name,win,loss,battles,score). I want to reset the values of win,loss,battles, and score back to 0. While leaving id and name alone. Effective reseting my ladder for a new season to begin. The only way I have been able to complete this is to find out how many rows there are and run a for loop. It seems vary inefficient. Was hoping I could get some better insight as to how to go about this.

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  • How often does memcache on Google AppEngine lose data?

    - by Freed
    Memcache in general and on AppEngine in specific is unreliable in the sense that my data may be deleted from the cache for whatever reason at any point in time. However, in some cases there might be cases where a small risk may be worth the added performance using memcache could give, such as updating some data in memcache that gets saved periodically to some other, more reliable storage. Are there any numbers from Google that could give me an indication of the actual probability that a memcache entry would be lost from the cache before its expiration time, given that I keep within my quotas? Are there any reasons other than hardware failure and administrative operations such as machines at the data centers being upgraded/moved/replaced that would cause entries to be removed from memcache prematurely?

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  • port an iOS (iPhone) app to mac?

    - by William Jockusch
    Is there a preferred way to go about this? The app in question is not too large . . . single-player game that I wrote over the course of a couple of months. EDIT: I should add that I have no experience with mac development . . . outside of what comes naturally with being an iOS developer. EDIT: Classes heavily used in the game: subclasses of NSObject, UIView, and UIViewController. I don't know much about NSView, but I'm pretty sure all the UIView stuff will work in that class. Also some use of UITableViewController. I do also have Game Center, but I can leave that part out for now. There is no multi-touch.

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  • how do you set a handler for appengine_rpc?

    - by python for ever
    i followed what is said in the article. but still i get these errors: first this warning : No handlers could be found for logger "google.appengine.tools.appengine_rpc" then this error: HTTPError: HTTP Error 500: Internal Server Error anyone has an idea about what i am doing wrong? thanks.

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  • how do I instrospect appengine's datastore models?

    - by python for ever
    in order to dynamically create a form, i have to find the property types of a model's properties at runtime. appengine docs says that Model.properties() will return a dictionary of properties name and their class type. when i use this method in my code, only the name is returned and the classtype value is always empty.

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  • Custom Header Menu in Android App (How To)

    - by masterkrang
    I'm trying to implement a custom header menu in my Android application and I'm wondering what the standard or best practice for creating a header menu. I'm thinking something like the facebook app that displays a log and has some action items like triggering a search and possibly return back to the main activity. Tab Layout doesn't seem to be what I'm looking for. I found a tutorial here that might be close to what I'm looking for but not sure. It seems a bit redundant to instantiate a menu in every Activity. Seems like there would be a way to decouple the Activity from the menu, or at least more loosely couple it. Perhaps I need to implement something with Fragments but I'm sort of new, so I'm not sure yet. Looking forward to your suggestions or hearing how you've implemented something like this. Thanks!

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