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• FileStream to save file then immediately unlock in .NET ?

  - by aron

  I have this code that saves a pdf file. FileStream fs = new FileStream(SaveLocation, FileMode.Create); fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length); fs.Flush(); fs.Close(); It works fine. However sometimes it does not release the lock right away and that causes file locking exceptions with functions run after this one run. Is there a ideal way to release the file lock right after the fs.Close()

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• Using AMQP to collect events

  - by synapse

  Does AMQP has any advantages over an ad-hoc implementation for a simple stats gathering scenario? It works like this - clients send events (more than we care to put into persistent storage) to (several) web workers, the workers aggrregate them and write to a single database. I don't think I should consider using AMQP for this because I'll still need web workers to receive events from clients through HTTP and to publish them. Am I missing something?

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• sql query with space in the value

  - by user234194

  How do I write where clause where the value has spaces: eg: select * from table1 where name = 'Firstname lastname'; i tried this but doesnot work.

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• Multiple OR Clauses in MySQL

  - by Grant

  I'm trying to grab content where id = 3 OR id = 9 OR id = 100... Keep in mind, I can have a few hundred of these ids. What is the most efficient way to write my query? $sql = "SELECT name FROM artists WHERE (id=3 OR id=9 OR .... id-100)"

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• How to use HTTP method DELETE on Google App Engine?

  - by Jader Dias

  I can use this verb in the Python Windows SDK. But not in production. Why? What am I doing wrong? The error message includes (only seen via firebug or fiddler) Malformed request or something like that My code looks like: from google.appengine.ext import db from google.appengine.ext import webapp class Handler(webapp.RequestHandler): def delete(self): key = self.request.get('key') item = db.get(key) item.delete() self.response.out.write(key)

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• How can i declare a Binary type

  - by hamza

  i need to work with a binary number i just write : const x = 00010000 ; & it doesn't work i know that i can use an hexadecimal number that have the same value as 00010000 but for more knowledge i want to know if there is a type in C++ for binary numbers & if there isn't ,is there another solution for my Problem ? thanks

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• How can I delete a newline if it is the last character in a file?

  - by Todd Partridge

  I have some files that I'd like to delete the last newline if it is the last character in a file. 'od -c' shows me that the command I run does write the file with a trailing new line: 0013600 n t > \n I've tried a few tricks with sed but the best I could think of isn't doing the trick: sed -e '$s/\(.*\)\n$/\1/' abc Any ideas how to do this?

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• MySQL replication - Should I handle load balancing from my client code (PHP) ?

  - by pirostraktor

  In a MySQL master-slave replication enviroment if I have 4 slave servers how can I execute load balanced select queries? Should I write a PHP class to dealing with the 4 slaves or it is possible to address queries to MySQL's own load balancer solution? Is there a MySQL load balancing solutions? Can I use some other tool to distribute my queries? What is the typical set up in situations like this? Thanks for all answers!

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• Identifying Different Excel File Formats

  - by sgibbons

  Is anyone familiar with a library or tool that can determine which format an excel file is in? Or, failing that, documentation on the different formats that would allow me to write my own?

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• Query posts based on author id

  - by user338109

  I have the current author id stored in $theauthorid I want to do a query based on the author id so I do this query_posts('author=$theauthorid'); However it does not work unless I write the id manually. I know the id is stored correctly as I get the correct id when I echo it.

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• Why do updates inside of a SQL transaction still need disk IO?

  - by usr

  In SQL Profiler you can see that very simple updates to a table by primary key take about 10-30ms each. On about every 10th update the write column shows 1, on all other updates it shows 0. This must mean that about every 10th update statement still requires disk IO. I wonder why that is. Would it not be more efficient queue up all IO until the transaction commits?

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• Writing a custom aspnet mvc action without an action

  - by Toran Billups

  I'm looking to write a custom route that would allow the following http://localhost/blog/tags/foo Currently this is what actually works http://localhost/tags/Index/nhibernate I've tried the following with no success - any help would be appreciated routes.MapRoute( "Tags", "{controller}/{id}", new { Controller = "Tags", action = "Index", id = UrlParameter.Optional } ); routes.MapRoute( "Tags", "blog/{controller}/{id}", new { Controller = "Tags", action = "Index", id = "" } );

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• Encrypted SQLite database in Qt

  - by Jake Petroules

  Is it possible to work with an encrypted SQLite database directly in Qt? Or, do I have to read it entirely into memory, decrypt in memory, do work, encrypt in memory, write to disk?

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• How to set up a simple table view in Cocoa

  - by happyCoding25

  Hello, I was wondering if anyone could give me an example or point me to some example code of how to use an NSTableView. I know how to use it in core data but I would like to do this just using plain cocoa code. All I need is a simple add and remove button. Also is it possible to have cocoa write the data to a text file or plist? Thanks for any help

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• How to count number of lines in the files which created today

  - by Dheeraj kumar

  Well,I m trying to list the number of files created today and the count the number of lines in those files.I have to do it in unix.Please suggest how to write script for this.

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• Is there a recommended logging path/folder for ASP.NEt applications?

  - by the-locster

  Currently we use log4net and create a new folder (usually below C:) with write and create access rights for the worker process user. Is there perhaps a standard windows folder we should or could be using such as LOCALAPPDATA? I'm guessing that LOCALAPPDATA is a bad choice in the general case because IIS users tend to be non-interactive users and thus I don't think they have the usual user folder structrues available.

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• How to check which action method rendered the current view (from within the current view) ?

  - by Richard77

  Hello, I would like to know how to check which action displayed the current View (from the current view). For instance, to check if controller myController originated the rendering (I guess) I can write: <% if(ViewContext.Controller is myApplication.Controllers.myController)%> In fact, I want to use the same View model for 2 actions methods, like this: <% If( First Action rendered this view){%> // Display this <%} else {%> //Display that <%}%> Thanks for helping

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• Can writing to logfiles seriously slow down your application?

  - by Lieven Cardoen

  I'm using Log4Net to write logs to files. Can this serioulsy slow down my application? I know it depends on how much I'm writing away, but let's say that some hundreds of logs can be written per second.

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• How to raise a boost::signal whenever a packet is recieved?

  - by the_drow

  I know that boost.asio has a mechanism that calls a callback function whenever a packet is received but is there an option to emit a signal instead? Do I have to write a function that emits the signal? If it is so, why?

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• In an MS Access Maketable query, how to create an Autonumber field?

  - by PowerUser

  I have a Maketable query in an Access db that could use an Autonumber field. I can't find a built-in function for my purpose. Do i need to write my own? Ideally, I'd just like to create a field in the Access designer as "Autonum: CreateAutoNumber()" Edit: If it can't be done in the query itself, I can also run a procedure afterward.

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• Zend Framework: How to subtract amount from database table field ?

  - by NAVEED

  I want to subtract a amount from a table's field in Zend Framework. I can run it with SQL using following query: UPDATE `Person` SET credit=credit-50 where id=1 But how to write above SQL query in Zend Framework?

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• Monochrome BitMap Library

  - by Asad Jibran Ahmed

  I am trying to create a piece of software that can be used to create VERY large (10000x10000) sized bitmaps. All I need is something that can work in monochrome, since the required output is a matrix containing details of black and white pixels in the bitmap. The closest thing I can think of is a font editor, but the size is a problem. Is there any library out there that I can use to create the software, or will I have to write the whole thing from the start?

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• SQL Server 2008 Express Grant User Permission

  - by Brett

  What is the appropriate SQL commands (not through the GUI) to add a windows user account to permissions on a SQL Server 2008 Database? ie.. I want to give someone read access and another person read/write..

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• match strings in python

  - by mesun

  Write a function, called constrainedMatchPair which takes three arguments: a tuple representing starting points for the first substring, a tuple representing starting points for the second substring, and the length of the first substring. The function should return a tuple of all members (call it n) of the first tuple for which there is an element in the second tuple (call it k) such that n+m+1 = k, where m is the length of the first substring. Complete the definition def constrainedMatchPair(firstMatch,secondMatch,length):

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• Ad-hoc retreival of data from SQL Server varbinary column

  - by Daniel Fortunov

  I would like to retreive some binary data from a varbinary(max) column in a SQL Server database for debugging purposes. What is the easiest way to get this data into a local binary file, preferably without having to write a throw-away console application? I have tried using SQL Server Management Studio but this returns a hex encoded binary string, rather than raw binary data (even with the "results to file" option).

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