Search Results

Search found 24403 results on 977 pages for 'matt case'.

Page 387/977 | < Previous Page | 383 384 385 386 387 388 389 390 391 392 393 394  | Next Page >

• Application self aware of external database record modifications.

  - by Khou

  How do you make your application aware that a database record was changed or created by an external application rather than the application itself? Do you add a special check sum to the database record or what do you do to stop external changes to the database? (in case it was hacked and the hacker decides to add a new record or change an existing database record)

  Read the article

• Is there a better way to declare an empty, typed matrix in MATLAB?

  - by Arthur Ward

  Is there a way to "declare" a variable with a particular user-defined type in MATLAB? zeros() only works for built-in numeric types. The only solution I've come up with involves using repmat() to duplicate a dummy object zero times: arr = repmat(myClass(), [1 0]) Without declaring variables this way, any code which does "arr(end+1) = myClass()" has to include a special case for the default empty matrix which is of type double. Have I missed something a little more sensible?

  Read the article

• How to detect working internet connection in C#?

  - by detariael

  I have a C# code that basically uploads a file via FTP protocol (using FtpWebRequest). I'd like, however, to first determine whether there is a working internet connection before trying to upload the file (since, if there isn't there is no point in trying, the software should just sleep for a time and check again). Is there an easy way to do it or should I just try to upload the file and in case it failed just try again, assuming the network connection was down?

  Read the article

• HTML Canvas and saving the data on the server

  - by snitko

  Say I've written a simple app that draws circles in browser. Now I'd like to let people save their pictures. How would I store the data on the server? Which format would be the best option? Should I simply store the relevant html? What would be the case when I would want to make a custom format that is stored on the server and parsed back to html canvas when loaded?

  Read the article

• Android imageButton reset

  - by Dorin Rusu

  I have an app in which I need to use ImageButtons.The app has tabs, and when I click on a tab the ImageButton should be calling setBackgroundResource(), and when I click on another tab the imageButton should call setBackgroundColor() instead. The problem is that once the resource has been set (in my case a shape with round corners, a stroke and a transparent background), any use of setBackgroundColor() will just recolor the shape, and not the whole button. Is there a way to reset/clear the resource of an ImageButton?

  Read the article

• Best way to get the highest sum from a Matrix (using Java but algorithm is the issue here)

  - by user294896

  Sorry I dont know the correct terminology to use but I have a 3x3 matrix like this 1 3 4 5 4 5 2 2 5 and I want get the highest score by picking a value from each row/column but I cant pick the same row or column more than once , so the answer in this case is 3 + 5 + 5 = 13 (row0,col1 + row1,col0 + row2,col2) 4 + 5 + 5 = 14 is not allowed because would have picked two values from col2 I'm using Java, and typically the matrix would be 15 by 15 in size. Is there a name for what Im trying to do, and whats the algorithm thanks Paul

  Read the article

• CF - How do i access a .gif in my Resources folder

  - by no9

  Hello. I have added a simple .gif file into Resources folder in my project. Now i have created a user control with pictureBox. How can i add the .gif to pictureBox.Image = new Bitmap (path). What is the path in this case? thanx !

  Read the article

• Silverlight - round doubles away from zero

  - by Cornel

  In Silverlight the Math.Round() method does not contain an overload with 'MidpointRounding' parameter. What is the best approach to round a double away from zero in Silverlight in this case? Example: Math.Round(1.4) = 1 Math.Round(1.5) = 2 Math.Round(1.6) = 2

  Read the article

• how not to update timestamp field

  - by GOsha

  project is written on php. There is timestamp field in mysql it updates automatically. In one case I don`t need update this field. Can I gibe instruction not to update this field in this queries without getting timestamp value.

  Read the article

• How to retrieve the integer value of an enum?

  - by Natrium

  I have an enum public enum Color { Red = 0, Blue = 1, Yellow = 2 } When I do this: Color color = Color.Blue; Console.Writeline(color.Value); I want to see it's integer-value (1 in this case, but it outputs "Blue" instead. How can I solve this? I use .NET 3.5.

  Read the article

• How do I get the last non-empty line of a file using tail in Bash?

  - by debugger

  How do I get the last non-empty line using tail under Bash shell? For example, my_file.txt looks like this: hello hola bonjour (empty line) (empty line) Obviously, if I do tail -n 1 my_file.txt I will get an empty line. In my case I want to get bonjour. How do I do that?

  Read the article

• what should be the return type of the hashCode()

  - by subhashis

  The signature of the hashCode() method is public int hashCode(){ return x; } in this case x must be an int(primitive) but plz can anyone explain it to me that the number which the hashCode() returns must be a prime number, even number...etc or there is no specification ? the reason behind i am asking this question is i have seen it in different ids the auto generated code always returns a prime number, so i need to know why? thanks in advance

  Read the article

• MySQL: Check if first character is _not_ A-Z

  - by dbemerlin

  I have to create an SQL Query to get all rows starting with a specific character, except if the parameter passed to the (PHP) function is 0, in that case it should get every row that does not start with A - Z (like #0-9.,$ etc). What is the easiest and fastest way to get those rows? DB: MySQL 5.1 Column: title

  Read the article

• how to tell which object called a delegate method (objective c)

  - by user353877

  Let's say you have two objects (UITextviews) in your class. When the text view changes, you have a delegate method that catches the change.. but how can you tell programatically WHICH object was changed and called the delegate ?? I have to be missing something, because this should be trivial, but I couldnt find anything. Note: In this case, its not possible to just break up the class to only have one object (there by bypassing ambiguity).. I looked for things like assigned variable names for nsobjects, nothing there

  Read the article

• C++: ptr->hello(); /* VERSUS */ (*ptr).hello();

  - by Joey

  i was learning about c++ pointers... so the "-" operator seemed strange to me... instead of ptr-hello(); one could write (*ptr).hello(); because it also seems to work, so i thought the former is just a more convenient way is that the case or is there any difference?

  Read the article

• How to avoid error messagebox if .net is not installed on client system.

  - by Power-Mosfet

  Hi, I have a C# application which request .net 2 on client system. I like to replace the error message box in case if .net2 is not detected with ruuning an executable program which I have a written how do not request .net2.

  Read the article

• pointer uchar* question in opencv vc++ 2008

  - by kaushalyjain

  img_hsv is a Mat element of an hsv image! when i give cout<<*img_hsv.data+10; it gives true value of the pixel ie 79 as output. but when i assign uchar * a=img_hsv.data+10; it gives me some other value... can you please explain me why is this the case? thanks!

  Read the article

• Oracle select query

  - by Jasim

  I have a table like this C1 C2 C3 Code 1 2 3 33 1 2 3 34 2 4 1 14 1 2 3 14 i want to select only those record whose code is appearing only in single row. ie, in this case rows with code 33 and 34.. as they appear only once in this table. How can i write a query for that

  Read the article

• c# Best class to hold a list of values to look up after

  - by ase69s

  I have a list of values that i need to check against a constant list to know wheter they are present or not (one by one). Im using a dictionary buy it doesnt seem logical to have the value two times (key, value)...isnt there any class specialized for this case (and faster if possible)?

  Read the article

• How to get the name of the method that caused the exception

  - by SKumar

  My code looks as below. try { _productRepo.GetAllProductCategories(); } catch (Exception ex) { //Do Something } I need a way to show the method name, suppose in the above case if any exception is thrown in the GetAllProductCategories() method, I need to get this method name i.e. "GetAllProductCategories()" as my result. Can any one suggest me how to do this?

  Read the article

• Hibernate's version values in Grails app

  - by xain

  I'm looking at a database dump file, and I see many records in various tables with their version number set in values other than 0 (even 94 in one case). I understand it has to do with hibernate locking strategy, but my concern is that today is Sunday, and the site has almost no visitors so is: is this normal ? Or is there a known hibernate bug or even some programming malpractice producing this ?

  Read the article

• How to call an action method of a UICommand Component which was rendered conditionally?

  - by gurupriyan.e

  action method is not called Please refer to this question - , One of my UICommand Component is rendered conditionally , it was said in the answer of the linked question - point 5 - that if the Component's or any of its parents rendered or disabled attributes are false - then the action method will not be called ? If thats the case- How do i achieve the same functionality? Is there a work around ? or a trick ? or any other approach ? Thanks!

  Read the article

• java dynamic function calling

  - by dpaksp

  here is that case....i have an String array that contains only method names of yyyyyy.java file in xxxxxx.java file am creaing yyyyyy.java 's instance (say obj) now i have access obj.fuction_name....that function i should get from that String array in loop ...is that possible ... thank u

  Read the article

• I want to count the number of occurences of each character in a string

  - by roe

  Ignore spaces, punctuation and anything else that is not a letter. Ignore the case of the incoming letters (so e.g. 'A' and 'a' should be counted together). The results of analysing this string should be added to any analysis performed by previous calls to this method.

  Read the article

• x=["key" => "value"]. How does it work in Ruby?

  - by Earlz

  Ok, so I was comparing some stuff in my own DSL to Ruby. One construct they both support is this x=["key" => "value"] Knowing the difference between arrays and hashes, I would think this to be illegal, but the result in Ruby is [{"key" => "value"}] Why is this? And with this kinda syntax why can't you do x=("key" => "value") Why is an array a special case for implicitly created hashes?

  Read the article

< Previous Page | 383 384 385 386 387 388 389 390 391 392 393 394  | Next Page >