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  • jquery - detect if selector returns null

    - by peirix
    What is the best way to detect if a jQuery-selector returns an empty object. If you do: alert($('#notAnElement')); you get [object Object], so the way I do it now is: alert($('#notAnElement').get(0)); which will write "undefined", and so you can do a check for that. But it seems very bad. What other way is there?

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  • Access Insert Query

    - by tecno
    Hi, I am using C# to write/read to an Access 2007 Database. The table is ID - AutoNumber [pkey] Fname - Text Lname - Text Address - Text The query string I Use is "Insert into TblMain (Fname,Lname,Address) Values ('"+fname+"','"+lname+"','"+adrs+"')" No errors are returned, the query executes but data is not added to the db. Inserting to table using which does not have an autonumber data column works perfectly. What am I missing?

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  • Are there any open source video transcoding servers?

    - by maxfridbe
    Are there any servers written that can be setup to take video transcode jobs? I am looking to set one up to work just like the service Zencoder. Something that I could send my transcoding jobs to maybe via web-services. If not are there any c# wrappers to the common open source transcoders such that I could write one.

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  • AESlibrary only two lines

    - by user303968
    Does anyone know a c++ library that uses advanced encryption standard encryption that can achieve encryption and decryption (using counter mode) in just two lines of codes. No need of padding or buffering the plaintexts the library will take care of all this. I have had a look at crypto++, openssl and libtomcrypt but in these it seems I need to write codes to buffer and pad the plaintexts which I don't want. In brief, I need something along these lines: ciphertext = encrypt(ctr_mode(),plaintext,key) plaintext = decrypt(ctr_mode(),ciphertext,key) Thanks!

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  • code effect in html/blog

    - by galaxy
    I'm using Eclipse to write php and naturally I get color coding like all IDEs do. How do I get the same effect in a blog? See this example (scroll down to see the code colors), he has full colors, green, red, blue, pretty acceptable I'd say http://www.tellinya.com/read/2007/06/15/20.html Is there something that's standalone PHP that can achieve this, or do I need a plugin and install a CMS? I'd prefer standalone I guess if possible.

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  • php functions new php developers should be aware of

    - by John
    Can people suggest a list of common or popular php functions that new/junior programmers should be aware of so that they don't "re-invent-the-wheel" so to speak? For example, I've seen a lot of new coders try to write their own date parsing functions when a combination of date(), strtotime() and time() can do everything their looking for. Any other ones you guys want to add to this list? Thanks

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  • have we limitation in submit some query in c# to oracle

    - by rima
    Can I send this query from my C# connection to my oracle connection? "Select Object_name,status from object_name where object_type='function';" or "Select Object_name,status from object_name where object_type='Procedure';" or because as I remember, I have this problem when I write a program to connect to Access with java,those days I try to submit some query to get all table name. regard.

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  • Is assert evil?

    - by dehmann
    The Go language creators write: Go doesn't provide assertions. (...) Programmers use them as a crutch to avoid thinking about proper error handling and reporting. What is your opinion about this?

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  • Writing user stories for internal technical tasks

    - by John Nolan
    I am attempting to manage my projects a little better so I am looking at attempting to apply some of (eventually all) the features of scrum. Looking at user stories specifically the high level format seems to be: As a User I can Feature Description or Artifact is Doing Something How would I write "Upgrade the Database"? Is it simply Upgrade the Database? I think I am being thrown off as there is no specific actor/customer and that the customer is the IT department.

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  • Outlook - check email address type

    - by Chris Gunner
    I am trying to make a macro in Outlook that will scan the To: list for a certain text string, and spit out a message if all but one (or two, etc) addresses have it. Is there a simple way to do this? Essentially, I am trying to write something that'll avoid being able to send a restricted message to a bunch of people with the string 'xyz' in the address, if one or more do not have it. AutoComplete makes this difficult, without checking through one-by-one.

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  • How to send a EML file as email using python script to list of emails one at a time?

    - by affan
    I want to write a simple python script that send a EML file exported from Outlook though given smtp server as email to a given list of emails. I know how to send a simple email but sending a EML file as email is not something i could do and could not find it on Google. Can anyone help me with that. The EML file is actually in HTML format with embedded images. Any alternate suggestion is also welcome.

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  • How can you tell MYSQL to TRIM the X number of characters, beginning from the Back?

    - by Tim
    How do I write the following in MYSQL? SELECT SUBSTRING(value - (1 TRAILING CHARACTER)) FROM table; Basically substring(value, 2) trims the first letters. But I need to trim the last letters. I can't use substring(value, -4, 3) because I don't know the length of the value. Here's another example: SELECT * FROM table WHERE SUBSTRING(value - (4 TRAILING CHARACTER)) in (SELECT SUBSTRING(value - (1 TRAILING CHARACTER)) FROM table);

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  • Background login with OAuth

    - by Bob
    I'm soon to write a web based Twitter client which I plan to allow users to login with OAuth. My question is; can, once a user has logged in once already, my app login later and 'background' process their feed for them? I.E. does the user have to 'be there'?

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  • Java NIO Servlet to File

    - by Gandalf
    Is there a way (without buffering the whole Inputstream) to take the HttpServletRequest from a Java Servlet and write it out to a file using all NIO? Is it even worth trying? Will it be any faster reading from a normal java.io stream and writing to a java.nio Channel or do they both really need to be pure NIO to see a benefit? Thanks.

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  • Variable argument lists in m4

    - by waffleman
    Anyone know how to write an m4 macro to accepts an arbitrary list of parameters? Here is an example for what I want to implement: ADD_OBJECTS_TO_LAYOUT(`LAYOUT_1', (`OBJ_ID_SQUARE', `COLOR_ID_RED')) ADD_OBJECTS_TO_LAYOUT(`LAYOUT_2', (`OBJ_ID_SQUARE', `COLOR_ID_RED'), (`OBJ_ID_CIRCLE', `COLOR_ID_GREEN')) ADD_OBJECTS_TO_LAYOUT(`LAYOUT_3', (`OBJ_ID_CIRCLE', `COLOR_ID_GREEN'), (`OBJ_ID_CIRCLE', `COLOR_ID_BLUE'), (`OBJ_ID_TIRANGLE', `COLOR_ID_RED'))

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  • count of paths from A[a,b] to A[c,d] without duplicating?

    - by Sorush Rabiee
    I write a sokoban solver for fun and practice, it uses a simple algorithm (something like BFS). now i want to estimate its running time ( O and omega). but i need to know how to calculate count of paths from a vertex to another in a network. each path from a to b is a sequence of edges with no circuit. for example this is a correct path: http://www.imgplace.com/viewimg143/4789/501k.png but this is not: http://www.imgplace.com/viewimg143/6140/202.png

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  • present a static page url as different url which is SEO friendly

    - by Gaurav Sharma
    Hi, I have developed a site, which has some static pages. Like explore, home, feedback. The link for these goes as follows website.com/views/explore.php website.com/index.php website.com/views/feedback.php I want to write a different SEO URL for each of the URL mentioned above. Is it possible ? i.e. for example website.com/views/explore.php should be convereted/visible as website.com/explore website.com/views/feedback.php should be convereted/visible as website.com/give/feedback and so on

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  • What .NET framework "shipped" with Windows XP

    - by Jani
    Could you tell me what .NET framework installed by default on Windows XP system? Because I wanted to write a C# application that does not require anything else to be installed. If none is there any way not to force users to download .net framework (for example 3.5) but install it?

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  • powershell function output to variable

    - by tommy
    I have a function in powershell 2.0 named getip which gets the IP address(es) of a remote system. function getip { $strComputer = "computername" $colItems = GWMI -cl "Win32_NetworkAdapterConfiguration" -name "root\CimV2" -comp $strComputer -filter "IpEnabled = TRUE" ForEach ($objItem in $colItems) {Write-Host $objItem.IpAddress} } The problem I'm having is with getting the output of this function to a variable. The folowing doesn't work... $ipaddress = (getip) $ipaddress = getip set-variable -name ipaddress -value (getip) any help with this problem would be greatly appreciated.

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