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• number of elements in a static array of a predefined size

  - by cppb

  I have an array like this: int a[100]; I am filling only the first 4 elements in this array: a[0] = 1; a[1] = 2; a[2] = 3; a[3] = 4; When I do sizeof(a)/sizeof(a[0]) it returns 100. Is there a way I can get number of elements to which I have assinged a value and thus filtering out the remaining 96 unassigned elements? thanks

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• Number of concurrent connections in Silverlight

  - by Darko Z

  Hi guys, Is there currently a way to programatically determine from within a Silverlight app the maximum number of concurrent connections that the browser will allow? I know I can do this on the server then pass it as a parameter, but I would like to know if its possible in Silverlight. This is for all versions of Silverlight including Silverlight 4 RC.

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• Count Total Number of XmlNodes in C#

  - by mjmcloug

  Hey, I'm trying to find a way to get the total number of child nodes from an XmlNode recursively. That it is to say I want to count all the children, grand children etc. I think its something like node.SelectNodes(<fill in here>).Count but I don't know what the XPath is. Thanks

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• ABPeoplePicker select and return a phone number

  - by palominoz

  Under (BOOL)peoplePickerNavigationController:(ABPeoplePickerNavigationController *) peoplePicker shouldContinueAfterSelectingPerson:(ABRecordRef)person property:(ABPropertyID)property identifier:(ABMultiValueIdentifier)identifier{} is it possible to get returned the phone number or somewhat the user has clicked?

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• Trying to monitor a number of remote MySQL connections

  - by Hello you all men

  I'm trying to monitor a number of remote database connections. How can I constantly monitor a GMail account for routing emails based on their header within the same application? This will need to be standalone or basic package. Should I build a Qt or .NET app for this?

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• number of rows affected by rollback

  - by payal

  Hi, I need to find out the number of rows affected by a rollback. How can I get this ? Please help.

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• converting factored number to decimal in MS SQL

  - by LS

  I need to convert a number which gives decimals in factored format in to decimals, i.e. 11.16 is 11.5 in decimal. This is because 16 is in base of 32 and 11.16 should be read as 11+16/32 = 11.5 I get 11.16 as a string and I need to change it to 11.5 as numeric in MS SQL(2005) database. Any shorter way of doing this rather than splitting strings,converting to numerics,maths,convert to string, concatenate and then convert to numeric?

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• Count the number of lines in a file with Ruby, without reading entire file into memory

  - by smnirven

  I'm processing huge data files (millions of lines each). Before I start processing I'd like to get a count of the number of lines in the file, so I can then indicate how far along the processing is. I am using Ruby, and because of the size of the files, it would not be practical to read the entire file into memory just to count how many lines there are. Does anyone have a good suggestion on how to do this?

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• Can someone illustrate what's linux device number's minor number exactly for?

  - by httpinterpret

  The minor number is used by the kernel to determine exactly which device is being referred to. The above explanation is just two abstract, can someone illustrate?

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• How do I convert a string the looks like a hex number to an actual hex number in php?

  - by TheGNUGuy

  Hey everyone, I have a string that looks like this "7a" and I want to convert it to the hex number 7A. I have tried using pack and unpack but that is giving me the hex representation for each individual character. I'm out of ideas and don't know where to go from here. Thanks for the help!

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• number only html form

  - by user225269

  what is the code if you want that only number should be inputted in an html textbox. If you input letters there will be no letter that would show. If you input numbers, the numbers would show, please help

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• Union Distinct rows but order them by number of occurrences in mysql

  - by Baversjo

  Hi I have the following query: SELECT o.id,o.name FROM object o WHERE ( o.description LIKE '%Black%' OR o.name LIKE '%Black%' ) UNION ALL SELECT o2.id,o2.name FROM object o2 WHERE ( o2.description LIKE '%iPhone%' OR o2.name LIKE '%iPhone%' ) Which procude the following: id name 2 New Black iPhone 1 New White iPhone 2 New Black iPhone I would like to UNION DISTINCT, but I would also like the result ordered by the number of occurrences of each identical row (primary: id).

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• When using newCachedThreadPool how do I get the current number of threads

  - by NG

  I'd like to log the number of active threads created by a newCachedThreadPool call. I can't seem to find out where to get this value though.

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• find decimal in a given number

  - by chandu

  Hi, How can i find decimal(dot) in a given number in java. I am getting input from user, he may give integer or float value. I need to find he entered integer or float , is it possible? if yes could u tell me please. -- Thanks

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• Set Hudson build number from a script

  - by Joe Schneider

  Is there a way to set the next build number in Hudson from a script? I have the nextBuildNumber plug-in installed, and attempted to use wget with --post-data, but that page appears to require login. I have two steps of a chained build and I want to keep the build numbers in sync.

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• Resize jqGrid based on number of rows?

  - by Rosdi

  I want my jqGrid to shrink and expand based on the number of rows it has. Let say it currently has 10 rows, the height of the jqGrid will shrink to 10 rows (so that no gaping empty rows is exposed). If however there are too many rows, the height of the grid will expand to a maximum 'height' value and a scroll bar will appear.

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• Start application on receiving sms from particular number.

  - by MAkS

  hi there i want to start an application on receiving sms from a particular number. i am trying it with onMessageWaitingIndicatorChanged(boolean mwi){ } method but i m struggling. so, anyone there to help me in detail? Thanks

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• clique number of a graph

  - by copperhead

  I would like to know a fast algorithm to find only the clique number(without actually finding the clique) of a graph with about 100 vertices.

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• random number in VC++

  - by BillDickson

  int randomNumber = (double)rand() / (RAND_MAX + 1) * (10 - 0) + 0; is the code I'm using, it is getting a random number, but is getting the SAME random combination every time? Can anyone see what I'm doing wrong?

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• How to invert alternate bits of a number

  - by Cupidvogel

  The problem is how to invert alternate bits of a number, starting from the LSB. Currently what I am doing is first doing a count = -1 while n: n >>= 1 count += 1 to first find the position of the leftmost set bit, then running a loop to invert every alternate bit: i = 0 while i <= count: num ^= 1<<i i += 2 Is there a quick hack solution instead of this rather boring loop solution? Of course, the solution can't make any asumption about the size of the integer.

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• truly unique random number generate by php?

  - by proyb2

  I'm have build an up php script to host large number of images upload by user, what is the best way to generate random numbers to image filenames so that in future there would be no filename conflict? Be it like Imageshack. Thanks.

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• filename and line number of python script

  - by Joey

  Hello everyone, How can I get the file name and line number in python script. Exactly the file information we get from an exception traceback. In this case without raising an exception.

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• Rails - number of rows in a file

  - by xpepermint

  Hey. How can I get a total number of rows in a file (do not want to do it with loop). I'm reading CSV file. Example 1 CSV.open('clients.csv', 'r') Example 2 FasterCSV.foreach('clients.csv') Thx.

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• Get users number from iPhone using HTML5/jQuery

  - by Phill Pafford

  Is there a method for getting the iPhone users phone number using HTML5/jQuery? All I see is how to do this with the SDK.

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• What does this random number do: /javascripts/rails.js?1271798101

  - by viatropos

  I think I remember reading that that has to do with telling the browser not to cache it or something. How does this impact browser caching and application performance in production? When does that number change? <script src="/javascripts/rails.js?1271798101" type="text/javascript"></script>

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