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• PHP Date Manipulations

  - by Ajith

  I need to get previous 30 days from a specific date which is available from database(eg: 2010-05-23 12:36:29).I am try it by using date('d', strtotime("-30 days")) Which is getting the currect answer what i looking for but it is not help me to enter date from database.Please help me to solve the issue.

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• Start a thread in a different process in Java

  - by kolm

  Hi there, is it possible to start a new thread in a different process in Java? I mean, I'm running a specific process and main thread, issuing ProcessBuilder for creating a new process. Before start() method is invoked, one must provide the command to be run in another process. Is it possible to start a new thread in newly created process? Thank you in advance for the reply. Best regards.

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• Hidden features of PL/SQL

  - by Adam Paynter

  In light of the "Hidden features of..." series of questions, what little-known features of PL/SQL have become useful to you? Edit: Features specific to PL/SQL are preferred over features of Oracle's SQL syntax. However, because PL/SQL can use most of Oracle's SQL constructs, they may be included if they make programming in PL/SQL easier.

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• VB script want to run .bat file from VB

  - by yael

  hi I am try to run the go.bat from VB but when I run the script I get: :cant find specific file but from the cmd window the file go.bat exsit what the problem? Dim MyShell Dim shell_cmd shell_cmd = "C:\Program Files\dir1\dir2\wizard\go.bat" set MyShell = CreateObject("WScript.Shell") MyShell.Run shell_cmd, 1, 1 from cmd window C:\Program Files\dir1\dir2\wizardgo.bat

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• Workflow for App Engine

  - by Jesse Aldridge

  I'm about to start an App Engine project for the first time. Most likely with Python. I was wondering if anybody could give me a leg up by detailing their workflow when developing for it. What tools do you use to go from start to deployed? Did you do any app engine specific configurations to those tools?

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• Which is better? Qt Creator or Visual Studio IDE

  - by user249490

  I am currently using Qt Creator 1.3 for my Qt applications. I know it uses jom for make step which is better when we have multi core processors. But besides that what are all the advantages of using both the IDEs? Dis advantages as well? I am using CL compiler though for compiling my applications. Is there any other specific advantages and disadvantages of these IDEs?

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• Turn off error messages in a bash script

  - by Werner

  Hi, how can one turn off the error messages of a bash script? I want to turn it off, and handle the expected ones by myself For instance, when it does not find some files, to show my specific error message. Thanks

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• Java: Finding objects in collections.

  - by Jake

  This problem occurs over and over. I have some complicated object, such as a Cat, which has many properties, such as age, favorite cat food, and so forth. A bunch of Cats are stored in a Java Collection, and I need to find all the Cats that are aged 3, or those whose favorite cat food is Whiskas. Surely, I can write a custom method that finds those Cats with a specific property, but this gets cumbersome with many properties; is there some generic way of doing this?

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• Shallow copying a list with downcasting

  - by Mohit

  I have the class herichary as follows CEntity----CNode---CElement I have a class Nodes : List<Cnode> and Class Elements : List<Element> Node class contain common item common across different project Element class has item specific to a project. I have to shallow copy the element list into the node list (basically down casting the elements to nodes)

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• Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2?

  - by Mick

  Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip. UPDATE: In my case, I'm interested in calculating the hash of a file. If file-size matters, let's assume its 300K.

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• logging in continouous loop

  - by Mikkel Jans

  What would be a good way to create logs (with python logging module) inside a constant running loop, without producing a large amount of useless log-files? An example would be a loop that constant list a folder, and does some action when it sees a file of a specific type. I want to log that no files were found, or files were found but of a wrong type, without logging that same line constantly for each folder check, as it might run many times a second.

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• How to make dynamic object?

  - by John

  I am using the XmlSerializer like this, XmlSerializer xs = new XmlSerializer(typeof(myType)); Now I have 5 different "myType". How do I pass the specific type dynamically so I don't have to repeat the same code 5 times? Thanks

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• Using Firefox XML DOM to parse XML(RSS)

  - by Michael

  Any example on how to parse/have access to simple RSS feed elements in JS? I don't want to use any Microsoft specific objects.

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• i need a query to retrieve the following constraint

  - by ANITHA

  I have the following tables and fields: +------------------+ +-------------------+ +---------------+ | Request | | RequestItem | | Item | +------------------+ +-------------------+ +---------------+ | + Requester_Name | | + Request_No | | + Item | +------------------+ +-------------------+ +---------------+ | + Request_No | | + Item | +------------------+ +-------------------+ I would like to filter the items which are selected under a particular request number, along with a specific requester name. How might I go about doing this?

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• How to hide certain file type using apache .htaccess?

  - by Stevko

  Its been a long time since I've needed to crack open an .htaccess file... What is the simplest way to 404 prevent access to a specific file extension though out the entire site?

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• radrails automatically giving me two tabs when i go to new line.

  - by Kirby

  So any time i hit enter and go to a new line... radrails automatically gives me two tabs over. I'd rather turn this off. I haven't been able to figure out how in the settings. Ideas? thoughts? is 2 tabs preferred for a specific reason?

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• How to programmatically generate an audio podcast file with chapters and text track?

  - by adib

  Hi Anybody know how to programmatically generate audio podcast files with bookmarks that can be used in iTunes / iPod / iPhone / iPod touch? Specifically text bookmarks (bookmarks with titles) that the listener can skip to a specific point in time in the audio file. Also how to add the text transcription of the podcast's content. Even better if you have an example Cocoa code or library to write the audio file. Thanks.

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• Are there any MVP Frameworks projects out there?

  - by Greg Malcolm

  MVC is used a number of popular frameworks. To name just a few, Ruby on Rails, ASP.NET MVC, Monorail, Spring MVC. Are there any equivalent frameworks using any variant of MVP? Most of the examples I've found online seem to be custom implementations of the pattern rather than reusable frameworks. Suggestions need not be specific to any particular programming language, my interest is mostly academic.

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• What should the retainCount be when returning an object in Objective-C?

  - by Yakattak

  See title. To be more specific, I am trying to return the mutableCopy of an object, however it's returned with a retainCount of 1 and I am worrying that it will leak.

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• How do I list Clearcase versions without the Fully-qualified verison?

  - by Luciano

  In Clearcase: I'm trying to find the names of all files in the current view without a specific label. So far I've come up with the following: cleartool find -cview -all -version '\!lbtype(LABEL_1)' -print But this ends up displaying the filenames with the "@@/main/BRANCH1/SUBBRANCH" appended to the end, and I really want just the filename. I've tried adding a -short, but the find command doesn't like that option, and I can't find an option in the manuals to change the behavior.

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• How to let users post links/images to Facebook, Twitter, Buzz etc... from a Rails based website?

  - by wgpubs

  I'd like to offer users the ability to post images / links to articles from my web application to Facebook, Twitter, Buzz and any other social network. A perfect example of the functionality I'm trying to replicate is mashable.com ... where each social network is represented by an icon that a) shows the number of shares AND b) allows users to click on it to post to that specific network. Don't know if it matters ... but the site is built using RoR. Thanks

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• How can I get the current network interface throughput statistics on Linux/UNIX?

  - by DavidM

  Tools such as MRTG provide network throughput / bandwidth graphs for the current network utilisation on specific interfaces, such as eth0. How can I return that information at the command line on Linux/UNIX? Preferably this would be without installing anything other than what is available on the system as standard.

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• J2ME Exception types

  - by qwerty

  Hello, I have read about MIDletStateChangeException. I wanna know other J2ME specific exceptions. Any ideas? Thanks

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• How can I access x:Name from Code Behind?

  - by viky

  I have a datagrid in which I am using DataGridTemplateColumn and DataGridTextColumn. I want to access these columns at runtime so I have assigned x:Name property to them. But I was not getting that value in code behind, so I looked for DataGrid and then read objects by iterating through DataGrid.Columns. How can I read x:Name property from that object in C#? I need this to perform some specific operations with particular columns at runtime.

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• How to create and use resources in .NET

  - by Matthew Scharley

  How do I create a resource that I can reference and use in various parts of my program easily? My specific problem is that I have a NotifyIcon that I want to change the icon of depending on the state of the program. A common problem, but one I've been struggling with for a long time.

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