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  • How can I Duplicate a MSSQL Symmetric Key?

    - by rlb.usa
    We have a server with a database that has a symmetric key (Database - Security - Symmetric Key). We have a backup duplicate databases that we are using as a test databases, but we don't have this key in there. How can I duplicate this symmetric key (or make a new one exactly like the old) and put it in the existing databases? It has to have the same value and key-name as the other one. This is on MS SQL Server (edit) 2008 .

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  • Why do we need private variables?

    - by rak
    Why do we need private variables in classes in the context of programming? Every book on programming I've read says this is a private variable, this is how you define it but stops there. The wording of these explanations always seemed to me like we really have a crisis of trust in our profession. The explanations always sounded like other programmers are out to mess up our code. Yet, there are many programming languages that do not have private variables. What do private variables help prevent? How do you decide if a particular of properties should be private or not? If by default every field SHOULD be private then why are there public data members in a class? Under what circumstances should a variable be made public?

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  • What mail storage should I choose for our web application; IMAP, key-valud store, rdbms, ...

    - by tvrtko
    I have to store e-mail messages for use with our application. I have "metadata" for all messages inside a relational database, but I don't feel comfortable keeping message content (gigabytes and terabytes of email data) inside a database. I'm currently using IMAP as a storage, but I have my doubts if I choose correctly. First of all there is a problem of uidvalidity and how to keep a permanent reference to message inside IMAP. Second, I'm not sure if this is the most robust solution in terms of backup/restore strategies, corruption of store, replication ... Positive side is that I can query IMAP using the headers because the data is mostly indexed. I don't know if key-value stores are a better approach (Casandra, Tokyo cabinet, redis). How they handle storing 1KB and 50MB of data. How they prevent corruption and when corruption or device failure happens how can I repair the store.

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  • Install Windows 8 without a Product Key

    - by User
    Windows 8 setup asks for the product key at the beginning of the setup without letting you install it. I got the Windows 8 ISO from MSDN but I didn't get enough keys to install it on all my 7 computers. Also, my MSDN subscription level doesn't allow me to get the VL product key to Windows 8 Enterprise. Is there any way I can install Windows 8 for a limited time period like we used to do for Windows 7 ?

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  • what is called KEY

    - by Bharanikumar
    CREATE TABLE `ost_staff` ( `staff_id` int(11) unsigned NOT NULL auto_increment, `group_id` int(10) unsigned NOT NULL default '0', `dept_id` int(10) unsigned NOT NULL default '0', `username` varchar(32) collate latin1_german2_ci NOT NULL default '', `firstname` varchar(32) collate latin1_german2_ci default NULL, `lastname` varchar(32) collate latin1_german2_ci default NULL, `passwd` varchar(128) collate latin1_german2_ci default NULL, `email` varchar(128) collate latin1_german2_ci default NULL, `phone` varchar(24) collate latin1_german2_ci NOT NULL default '', `phone_ext` varchar(6) collate latin1_german2_ci default NULL, `mobile` varchar(24) collate latin1_german2_ci NOT NULL default '', `signature` varchar(255) collate latin1_german2_ci NOT NULL default '', `isactive` tinyint(1) NOT NULL default '1', `isadmin` tinyint(1) NOT NULL default '0', `isvisible` tinyint(1) unsigned NOT NULL default '1', `onvacation` tinyint(1) unsigned NOT NULL default '0', `daylight_saving` tinyint(1) unsigned NOT NULL default '0', `append_signature` tinyint(1) unsigned NOT NULL default '0', `change_passwd` tinyint(1) unsigned NOT NULL default '0', `timezone_offset` float(3,1) NOT NULL default '0.0', `max_page_size` int(11) NOT NULL default '0', `created` datetime NOT NULL default '0000-00-00 00:00:00', `lastlogin` datetime default NULL, `updated` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`staff_id`), UNIQUE KEY `username` (`username`), KEY `dept_id` (`dept_id`), **KEY `issuperuser` (`isadmin`),** **KEY `group_id` (`group_id`,`staff_id`)** ) ENGINE=MyISAM AUTO_INCREMENT=35 DEFAULT CHARSET=latin1 COLLATE=latin1_german2_ci; Hi the above query is the osticket open source one, i know primary key , foreign key , unique but AM NOT SURE WHAT IS THIS KEY group_id (group_id,staff_id) Please tell me, this constraints name....

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  • Tuple struct constructor complains about private fields

    - by Grubermensch
    I am working on a basic shell interpreter to familiarize myself with Rust. While working on the table for storing suspended jobs in the shell, I have gotten stuck at the following compiler error message: tsh.rs:8:18: 8:31 error: cannot invoke tuple struct constructor with private fields tsh.rs:8 let mut jobs = job::JobsList(vec![]); ^~~~~~~~~~~~~ It's unclear to me what is being seen as private here. As you can see below, both of the structs are tagged with pub in my module file. So, what's the secret sauce? tsh.rs use std::io; mod job; fn main() { // Initialize jobs list let mut jobs = job::JobsList(vec![]); loop { /*** Shell runtime loop ***/ } } job.rs use std::fmt; pub struct Job { jid: int, pid: int, cmd: String } impl fmt::Show for Job { /*** Formatter ***/ } pub struct JobsList(Vec<Job>); impl fmt::Show for JobsList { /*** Formatter ***/ }

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  • J2ME private folder(only accessible to my midlet)

    - by Shankar
    I have two midlets, one will download some files form server everyday and the other uses these files. If i download the files to a normal folder the mobile user may delete the folder or files manually. So i need a private folder which is hidden and only accessible for my midlets. I heard about private folders which symbian platform provides for each application which are not accessible to users. I need such a folder for my j2me app. How to create such folder?? Shankar

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  • How to Access a Private Variable?

    - by SoulBeaver
    This question isn't meant to sound as blatantly insulting as it probably is right now. This is a homework assignment, and the spec sheet is scarce and poorly designed to say the least. We have a function: double refuel( int liter, GasStation *gs ) { // TODO: Access private variable MaxFuel of gs and decrement. } Sound simple enough? It should be, but the class GasStation comes with no function that accesses the private variable MaxFuel. So how can I access it anyway using the function refuel? I'm not considering creating a function setFuel( int liter ) because the teacher always complains rather energetically if I change his specification. So... I guess I have to do some sort of hack around it, but I'm not sure how to go about this without explicitely changing the only function in GasStation and giving it a parameter so that I can call it here. Any hints perhaps?

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  • A pragmatic view on private vs public

    - by Denis Gorbachev
    Hello everybody! I've always wondered on the topic of public, protected and private properties. My memory can easily recall times when I had to hack somebody's code, and having the hacked-upon class variables declared as private was always upsetting. Also, there were (more) times I've written a class myself, and had never recognized any potential gain of privatizing the property. I should note here that using public vars is not in my habit: I adhere to the principles of OOP by utilizing getters and setters. So, what's the whole point in these restrictions?

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  • delegating into private parts

    - by FredOverflow
    Sometimes, C++'s notion of privacy just baffles me :-) class Foo { struct Bar; Bar* p; public: Bar* operator->() const { return p; } }; struct Foo::Bar { void baz() { std::cout << "inside baz\n"; } }; int main() { Foo::Bar b; // error: 'struct Foo::Bar' is private within this context Foo f; f->baz(); // fine } Since Foo::Bar is private, I cannot declare b in main. Yet I can call methods from Foo::Bar just fine. Why the hell is this allowed? Was that an accident or by design?

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  • Stop ssh client from offering all the public keys it can find?

    - by Rory McCann
    Like most sysadmins I use openssh all the time. I have about a dozen ssh keys, I like to have a different ssh key for each host. However this causes a problem when I am connecting to a host for the first time, and all I have is a password. I want to just connect to the host using a password, no ssh key in this case. However the ssh client will offer all the public keys in my ~/.ssh/ (I know this from looking at the output of ssh -v). Since I have so many, I will get disconnected for too many authentication failures. Is there some way to tell my ssh client to not offer all the ssh keys?

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  • Editing key inside array item - plist

    - by F0u4d
    I have the following plist: <plist version="1.0"> <dict> <key>General</key> <dict> <key>Table 1</key> <array> <dict> <key>subheadingName</key> <string>Item 1 of table 1</string> <key>subheadingDetail</key> <string>details about item 1</string> </dict> <dict> <key>subheadingName</key> <string>Item 2 of table 1</string> <key>subheadingDetail</key> <string>details about item 2!</string> </dict> <dict> <key>subheadingName</key> <string>Item 3 of table 1</string> <key>subheadingDetail</key> <string>details about item 3!</string> </dict> </array> </dict> <key>Table 2</key> <dict> <key>subheadingArr</key> <array> <dict> <key>subheadingName</key> <string>Item 1 of table 2</string> <key>subheadingDetail</key> <string>details about item 1</string> </dict> <dict> <key>subheadingName</key> <string>Item 2 of table 2</string> <key>subheadingDetail</key> <string>details about item 2!</string> </dict> <dict> <key>subheadingName</key> <string>Item 3 of table 2</string> <key>subheadingDetail</key> <string>details about item 3!</string> </dict> </array> </dict> </dict> </plist> I am trying to write and read the I have made these 2 methods trying to read and write subheadingDetail for a specific subheadingName but they are wrong/incomplete and can't manage to get it work. -(void)updateInfo:(NSString *)info forSubHeadingName:(NSString *)subheadingName { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"DeviceInformation.plist"]; NSMutableDictionary *data = [[NSMutableDictionary alloc] initWithContentsOfFile:path]; [data setObject:info forKey:subheadingName]; [data writeToFile:path atomically:YES]; } -(NSString *)readInfoForSubHeadingName:(NSString *)subheadingName { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"DeviceInformation.plist"]; NSMutableDictionary *data = [[NSMutableDictionary alloc] initWithContentsOfFile:path]; return [data objectForKey:subheadingDetail]; } Tried searching around the answers, but couldn't find anything similar to my issue. Thanks in advance.

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  • Securing a license key with RSA key.

    - by Jesse Knott
    Hello, it's late, I'm tired, and probably being quite dense.... I have written an application that I need to secure so it will only run on machines that I generate a key for. What I am doing for now is getting the BIOS serial number and generating a hash from that, I then am encrypting it using a XML RSA private key. I then sign the XML to ensure that it is not tampered with. I am trying to package the public key to decrypt and verify the signature with, but every time I try to execute the code as a different user than the one that generated the signature I get a failure on the signature. Most of my code is modified from sample code I have found since I am not as familiar with RSA encryption as I would like to be. Below is the code I was using and the code I thought I needed to use to get this working right... Any feedback would be greatly appreciated as I am quite lost at this point the original code I was working with was this, this code works fine as long as the user launching the program is the same one that signed the document originally... CspParameters cspParams = new CspParameters(); cspParams.KeyContainerName = "XML_DSIG_RSA_KEY"; cspParams.Flags = CspProviderFlags.UseMachineKeyStore; // Create a new RSA signing key and save it in the container. RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(cspParams) { PersistKeyInCsp = true, }; This code is what I believe I should be doing but it's failing to verify the signature no matter what I do, regardless if it's the same user or a different one... RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(); //Load the private key from xml file XmlDocument xmlPrivateKey = new XmlDocument(); xmlPrivateKey.Load("KeyPriv.xml"); rsaKey.FromXmlString(xmlPrivateKey.InnerXml); I believe this to have something to do with the key container name (Being a real dumbass here please excuse me) I am quite certain that this is the line that is both causing it to work in the first case and preventing it from working in the second case.... cspParams.KeyContainerName = "XML_DSIG_RSA_KEY"; Is there a way for me to sign/encrypt the XML with a private key when the application license is generated and then drop the public key in the app directory and use that to verify/decrypt the code? I can drop the encryption part if I can get the signature part working right. I was using it as a backup to obfuscate the origin of the license code I am keying from. Does any of this make sense? Am I a total dunce? Thanks for any help anyone can give me in this..

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  • Key combinations for a Hot key

    - by HanuAthena
    We are developing a hot key for one of our application. A key combination that is easy to remember easy to press (especially for people with small fingers) certainly not ctrl-alt-del ;) Which key combination do you suggest for a hot-key?

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  • .NET Properties - Use Private Set or ReadOnly Property?

    - by tgxiii
    In what situation should I use a Private Set on a property versus making it a ReadOnly property? Take into consideration the two very simplistic examples below. First example: Public Class Person Private _name As String Public Property Name As String Get Return _name End Get Private Set(ByVal value As String) _name = value End Set End Property Public Sub WorkOnName() Dim txtInfo As TextInfo = _ Threading.Thread.CurrentThread.CurrentCulture.TextInfo Me.Name = txtInfo.ToTitleCase(Me.Name) End Sub End Class // ---------- public class Person { private string _name; public string Name { get { return _name; } private set { _name = value; } } public void WorkOnName() { TextInfo txtInfo = System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo; this.Name = txtInfo.ToTitleCase(this.Name); } } Second example: Public Class AnotherPerson Private _name As String Public ReadOnly Property Name As String Get Return _name End Get End Property Public Sub WorkOnName() Dim txtInfo As TextInfo = _ Threading.Thread.CurrentThread.CurrentCulture.TextInfo _name = txtInfo.ToTitleCase(_name) End Sub End Class // --------------- public class AnotherPerson { private string _name; public string Name { get { return _name; } } public void WorkOnName() { TextInfo txtInfo = System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo; _name = txtInfo.ToTitleCase(_name); } } They both yield the same results. Is this a situation where there's no right and wrong, and it's just a matter of preference?

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  • PHP Key name array

    - by Sean McRaghty
    I have an array $data fruit => apple, seat => sofa, etc. I want to loop through so that each key becomes type_key[0]['value'] so eg type_fruit[0]['value'] => apple, type_seat[0]['value'] => sofa, and what I thought would do this, namely foreach ($data as $key => $value) { # Create a new, renamed, key. $array[str_replace("/(.+)/", "type_$1[0]['value']", $key)] = $value; # Destroy the old key/value pair unset($array[$key]); } print_r($array); Doesn't work. How can I make it work? Also, I want everything to be in the keys (not the values) to be lowercase: is there an easy way of doing this too? Thanks.

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  • Find key of parent in array / PHP

    - by 106691756905536410593
    Perhaps someone can help me out with this one: I'm using a basic search function to find an array deep within an array. The problem is, once that array is found, I'd also like to return it's parent key. Is there a PHP function that can determine the parent key of an array? Below is an example of the Search Function... Ideally I'd like to return the array that is found, as well as it's parent key. function search($array, $key, $value){ $results = array(); if (is_array($array)){ if ($array[$key] == $value){ $results[] = $array; } foreach ($array as $subarray){ $results = array_merge($results, search($subarray, $key, $value)); } } return $results; }

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  • Can't DER encode and BER decode RSA public key

    - by Mildred
    I have problems using Crypto++ to save a RSA public key (that I obtained loading a private key file in PKCS#8 format). When decoding the key, I always get a BERDecodeErr exception. Here is the code I am using: CryptoPP::RSASSA_PKCS1v15_SHA_Signer _signer; CryptoPP::RSASSA_PKCS1v15_SHA_Verifier _verifier; CryptoPP::ByteQueue bytes; //_signer.AccessPublicKey().Save(bytes); // seem to save private key instead _signer.AccessKey().DEREncodePublicKey(bytes); //_verifier.AccessKey().Load(bytes); //_verifier.AccessKey().BERDecodePublicKey(bytes, 0, 0); _verifier.AccessPublicKey().Load(bytes); I also tried with the instructions commented above, without success. How do you do to save or open the public key? The public key looks like this in hex format, is there a tool to check its format / validity (regarding what crypto++ supports) ? 3081890281810097e24f2e95504a397e90fbc56d1b330ab2ab97a0d326007b890e40013f9e1d9bd9 f54b0c0840782ddae19b5b4595d8f8b9ffe0d2120174fcbc39585c5867cd2dfba69f8e540caa2c52 de8f08278a34e9249120500117f0ba756c5bb2be660013160db9f82f75deb7ccf63742a9e945da6c cf30c2b109b73342daaabd02b872e50203010001

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  • private class calling a method from its outer class

    - by oxinabox.ucc.asn.au
    Ok, so I have a class for a "Advanced Data Structure" (in this case a kinda tree) SO I implimented a Iterator as a private class with in it. So the iterator needs to implement a remove function to remove the last retuirned element. now my ADT already impliments a remove function, and in this case there is very little (thinking about it, i think nothing) to be gain by implimenting a different remove function for the iterator. so how do I go about calling the remove from my ADT sketch of my struture: public class ADT { ... private class ADT_Iterator impliments java.util.Itorator{ ... public void remove(){ //where I want to call the ADT's remove function from } ... public void remove( Object paramFoo ) { ... } ... } So just calling remove(FooInstance) won't work (will it?) and this.remove(FooInstance) is the same thing. what do i call? (and changign the name of the ADT's remove function is not an option, as that AD T has to meet an Interace wich I am note at liberty to change) I could make both of them call a removeHelper functon, I guess...

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  • mysql add auto increment and a additional key

    - by Lee
    Hey all I am trying to alter a table with adding a new column setting it as auto increment and with a key. The table already has one key and this one will be an addition. The error I get is the following. error : Multiple primary key defined My code is: alter table user add column id int (11) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST; I have also tries wrapping the key name ie alter table user add column id int (11) NOT NULL AUTO_INCREMENT PRIMARY (id) KEY FIRST; But still no luck. How can it be done ?

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  • class modifier issues in C# with "private" classes

    - by devoured elysium
    I had a class that had lots of methods: public class MyClass { public bool checkConditions() { return checkCondition1() && checkCondition2() && checkCondition3(); } ...conditions methods public void DoProcess() { FirstPartOfProcess(); SecondPartOfProcess(); ThirdPartOfProcess(); } ...process methods } I identified two "vital" work areas, and decided to extract those methods to classes of its own: public class MyClass { private readonly MyClassConditions _conditions = new ...; private readonly MyClassProcessExecution = new ...; public bool checkConditions() { return _conditions.checkConditions(); } public void DoProcess() { _process.DoProcess(); } } In Java, I'd define MyClassConditions and MyClassProcessExecution as package protected, but I can't do that in C#. How would you go about doing this in C#? Setting both classes as inner classes of MyClass? I have 2 options: I either define them inside MyClass, having everything in the same file, which looks confusing and ugly, or I can define MyClass as a partial class, having one file for MyClass, other for MyClassConditions and other for MyClassProcessExecution. Defining them as internal? I don't really like that much of the internal modifier, as I don't find these classes add any value at all for the rest of my program/assembly, and I'd like to hide them if possible. It's not like they're gonna be useful/reusable in any other part of the program. Keep them as public? I can't see why, but I've let this option here. Any other? Name it! Thanks

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