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• Caching Mysql database for better performance

  - by kobey

  Hi, I'm using Amazon cloud and I've performance issue since the HDD is not located on my machine. My database is small (~500MB) and I can afford to keep it all in my RAM. I do not want to keep queries in my RAM, i need all the tables there. How can i do it? Thanks, Koby P.S. I'm using ubuntu server...

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• Number of different elements in an array.

  - by AB

  Is it possible to compute the number of different elements in an array in linear time and constant space? Let us say it's an array of long integers, and you can not allocate an array of length sizeof(long). P.S. Not homework, just curious. I've got a book that sort of implies that it is possible.

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• Javascript obfuscation and extreme situation in production solving

  - by faya

  Hello, I have a few questions regarding JavaScript obfuscation on client side. First question: What is the best tool or best three tools which ones you could suggest for this operation? Second question: How developers should debug such code (in example with firebug) when extreme situation appears in the production if the code is obfuscated? P.S. - I know that it's bad practice to debug in production, but we had some emergencies and experienced sometimes such situations. Thanks for any help!

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• Send data to LPT on windows XP

  - by gigi

  I want to send data to a printer on LPT1 and i trying exactly this but my CreateFile returns -1 (The system cannot find the file specified.Exception from HRESULT:0x80070002). How to open LPT1 port and send data to? I am trying this on XP and after that in win7 64 bit because from what i've read working with LPT in win7 64 bit is a bit of a problem, or should i say 64 bit of a problem:) PS:Since it's my first post this year: Happy New year to everybody.

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• Specify debug/release build in qt

  - by Royi Freifeld

  I would like Qt Creator to build the project according to the type I specify in the little computer button. Using: CONFIG(debug, debug|release) { DESTDIR = Debug OBJECTS_DIR = Debug/.obj MOC_DIR = Debug/.moc RCC_DIR = Debug/.rcc UI_DIR = Debug/.ui } CONFIG(release, debug|release) { DESTDIR = Release OBJECTS_DIR = Release/.obj MOC_DIR = Release/.moc RCC_DIR = Release/.rcc UI_DIR = Release/.ui } Or, using the answer from here, makes qmake chose the last time a variable was defined. How do I set it? Thnx P.S I don't know if it has something to do with my problem, but I'm using Ubuntu and not Windows

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• Ctor not allowed return type.

  - by atch

  Having code: struct B { int* a; B(int value):a(new int(value)) { } B():a(nullptr){} B(const B&); } B::B(const B& pattern) { } I'm getting err msg: 'Error 1 error C2533: 'B::{ctor}' : constructors not allowed a return type' Any idea why? P.S. I'm using VS 2010RC

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• Convert String To Integer And Vice-Versa

  - by Nathan Campos

  I'm building a calculator application, and I have a Form, with a TextBox called txtVisor, that has the property NumbersOnly = true. I want to get the content of it(that I already know: txtVisor.Text) and convert it into a Integer, to do multiply it by 12, then convert the result into a String to set the txtVisor.Text as the result of the operation. How could I do this? PS: I'm using NSBasic 7.0

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• Why an ASP.NET web site gets recompiled when renaming or deleting a folder inside

  - by amartynov

  Hi everybody, I develop a simple file manager inside an ASP.NET Web site (not web application). I notice that every time I rename or delete a folder, the site gets recompiled - i.e. the very next web request after delete or rename operation takes considerably much time to execute. It's only true for folders, not for files. Why does this occur? P.S. I use WebDev server (Cassini), haven't tested in on IIS yet.

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• Mobile web - hidden numerical input

  - by user499846

  Hi I am writing a web app (mainly iphone targeted) where the user has to enter their dob as part of the log in, I need this to be <input type = 'password'however I also want to enable the numeric section of the keyboard. I would usually change the type attr to 'number' however as this needs to be hidden I wondered if there was another way to activate the numeric pad Cheers! (ps I do not want to use any frameworks such as jquery on this)

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• What is PrimeFaces p:editor based on?

  - by AlanObject

  I want to add some client-side functionality to the PrimeFaces p:editor, but for some reason I am not able to uncover what JavaScript client side code they used to build the component. Could anyone point me to that? P.S. two things I want to do is make the component resizable (PrimeFaces doesn't support that) and I want to add shortcut buttons to insert pre-programmed text. Any hints about how this will done will be appreciated.

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• HTTPService resultFormat, how to choose

  - by tag

  HTTPService has a property resultFormat which can be set to any of the following: array e4x flashvars object text xml I looked at the documentation to understand the difference, but still couldn't understand when to use each. I'm looking for the lightest weight of all of them. P.S. I'm consuming output from my own server, so can change the output format as needed to make it compatible with each.

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• Indexing File Names To a Database

  - by Nathan Campos

  I have a folder with more than 2000 files and I need to index their file names on a database(MySQL) using Java, but how could I do this? PS: The MySQL connection part I already know.

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• HKLM\SYSTEM\WPA key list changed!!

  - by Andrii

  Hello everyone! Could you please help me and find the reason why list of keys in windows registry branch "HKLM\SYSTEM\WPA\" are changing. Maybe someone knows what exactly this branch contains (i mean what information reflects in keys of branch "HKLM\SYSTEM\WPA\")??? I will be grateful for any information! Thank you very much! P.S. Excuse me for my bad English:)

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• Source Control System. API. Get metrics

  - by w1z

  Hello all, I have next situation. I need to choise source control system for my project. This scs must provide the API to my .net application to get information about check-in-s for specified user and date period and about changes which was done in this check-in-s (the number of added and updated lines). What source control system provides this functionality? P.S. I can't use the TFS, it's a limitation

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• Support FOSS Projects via T-Shirts

  - by The MYYN

  Can we get a list of free and open source projects, which can be supported through purchasing branded garment? Free Software Foundation http://shop.fsf.org/ ps. I know this is extremly off-topic. But I'd like to buy clothing and support open source at the same time, if possible. And I'd like to know, where this is possible.

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• exact full text search - sql server 2005

  - by csetzkorn

  Hi, Is it possible to do an 'exact full text search' with CONTAINS. I have removed all noise words etc. but the dbms still seems to manipulate the 'exact word' (e.g. 'j-blade - blade'). Can I disable this? Thanks. Christian PS: I would like to avoid like because it is too slow and with exact I mean that the text contains the exact word.

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• Kernel api's or using api's in the kernel

  - by user513647

  Hello everybody I'd like to know if and how I can access api calls inside the kernel. I need them to preform several integrity checks on a program of mine running in user mode. But I don't know how I can access the api's and funcions required to do so. Does anybody know how to obtain the process id of my user mode proces? and how to access all it's memory to preform the check? Thanks in advance ps: My I'm on a windows xp machine

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• PHPSecurityScanner & SpikePHPSecAudit - How do I?

  - by 01010011

  Hi, How do I run PHP Security Scanner and SpikePHPSecAudit? I've already extracted them at the root of my website and thought it could be run like phpSecInfo where you just navigate to www.mySite.com/phpsecinfo/index.php Any assistance will be appreciated. ps I am using Windows XP and XAMPP

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• What is the best way to capture output form scilab into a publishable format?

  - by Anthony Kong

  I am using scilab to do some simple simulation. The outcome will a number of plot and graph. What is the easiest way to capture these outputs and publish them into a pdf or ps file? Hopefully it is simple to do that I can include the boilerplate code into my scilab script itself?

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• Extracting data from jpeg files

  - by Ronny

  Hi, I want to extract some kind of bmp/rgb data from jpeg files. I had a look at libjpeg, but there seemed not to be any good documentation available. So my questions are: Where is documentation on libjpeg? Can you suggest other c-based jpeg-decompression libraries? thanks in regard ps: I am using GNU/Linux, and c/c++

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• How to crop scanned image using C#?

  - by ieaglle

  I have a scanned image of a book page and i need to crop this scan for leaving only page area. I tried to use AForge to detect page borders, but it doesn't work because the space which i need to crop may consist of little "light" areas (due to scanner quality) and edge detector detects borders there. That's why this is bad idea as for me. Could you recommend something? P.S. Please don't tell me to use non-free libraries.

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• SQL Alias as Table.column

  - by bakerjr

  hi, is it possible to alias an aggregate function in a select clause as AliasTable.AliasColumn? The reason is because I want minimum modifications in my arrays (I'm using PHP). Thanks! P.S. I'm using SQl Server 2008

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• shared hacker houses in europe

  - by Mantas

  Hey, I'm a freelance web developer. I'm borred of my hometown, so I want to hit the road. Do you know any shared hacker houses in Europe? Do you have any ideas what is the best way to look for a shared flat? France, Spain, Holland, Italy... I'm interested in virtually any country :) P.S. I speak English and Lithuanian only, so it's hard to look up shared flat in local languages...

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• Converting PDF to PostScript with GhostScript

  - by Joel Martinez

  I installed ghostscript and updated the appropriate path variables ... however, I'm getting an error when I try to execute this command: C:\PROGRA~1\gs\gs8.64\lib>pdf2ps mydocument.pdf mydocument.ps Access is denied. Unable to open command line file _.at Is this the right command? did I miss some configuration or path setting? Otherwise, is there a sane method of doing this conversion? Thanks!

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• Automatic authentication in PHPMyAdmin

  - by Konstantin

  Hello! I have a local phpMyAdmin (installed via apt-get) adn I'm tired of entering login and password every time I try to open it. Database contains no sensitive info, just test tables, and is visible only from 127.0.0.1 I want phpMyAdmin already be logged in as root user with password 1234 (for example) when I open it. How do I do that? P.S. Saving password in a browser is not what I want.

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