I have some data generated in Matlab that I want to process using Perl. I saved the data from Matlab in a .mat file. Is there any way to read it in Perl?
I know that private instance variables are accessed through their public getters and setters method.
But when I generate constructors with the help of IDE, it initializes instance variables directly instead of initializing them through their setter methods.
Q1. So should I change the IDE generated code for constructors to initialize those instance variables through their setter methods.
Q2. If yes, then why IDE don't generate constructors code in that way?
I'm still experimenting with DynamicObjects. Now I need some information: I'm trying to bind an object inheriting from DynamicObject to a WPF DataGrid (not Silverlight).
How do I get the DataGrid to automatically create its columns from the available public properties of the object that are typically generated at runtime? Is that possible actually?
My project is compatible only with Internet Explorer. I want the test scripts to get generated automatically as it is done in Selenium IDE.
Can i use Selenium RC to test my application? I could not use Selenium IDE as it can be used only with Mozilla Firefox.
It seems that a simple download of a PHP generated CSV file (with a vnd.ms-excel mime type for the sake of opening it with (Open)Office readly upon the "Save as..." dialog, when present) always gets the unwanted .xls extension when the UA is Google Chrome. The file would then be named as myfile.csv.xls. Firefox behaves correctly.
I wonder if it is a bug, a feature or a misunderstanding of some references.
Thank you.
I am using Taglist plugin in vim. In the taglist window i can see tags like namespaces, classes, struct, function but not variables. I saw a screenshot(attached below) on Taglist website which had this info. I am using Vim 7 and Exuberant Ctags 5.8, and i have generated my ctags using this command
ctags --c++-kinds=+p --fields=+iaS --extra=+q --language-force=C++
I have created an installer using inno setup. Everything works fine but after installation unins000.exe will be generated, this exe doesn't have product name, product version and copyrights properties set. Can any one explain me how to build the installer so that unins000.exe will contain these fields.
Let me set the stage: My application deals with gift cards. When we create cards they have to have a unique string that the user can use to redeem it with. So when someone orders our gift cards, like a retailer, we need to make a lot of new card objects and store them in the DB.
With that in mind, I'm trying to see how quickly I can have my application generate 100,000 Cards. Database expert, I am not, so I need someone to explain this little phenomena: When I create 1000 Cards, it takes 5 seconds. When I create 100,000 cards it should take 500 seconds right?
Now I know what you're wanting to see, the card creation method I'm using, because the first assumption would be that it's getting slower because it's checking the uniqueness of a bunch of cards, more as it goes along. But I can show you my rake task
desc "Creates cards for a retailer"
task :order_cards, [:number_of_cards, :value, :retailer_name] => :environment do |t, args|
t = Time.now
puts "Searching for retailer"
@retailer = Retailer.find_by_name(args[:retailer_name])
puts "Retailer found"
puts "Generating codes"
value = args[:value].to_i
number_of_cards = args[:number_of_cards].to_i
codes = []
top_off_codes(codes, number_of_cards)
while codes != codes.uniq
codes.uniq!
top_off_codes(codes, number_of_cards)
end
stored_codes = Card.all.collect do |c|
c.code
end
while codes != (codes - stored_codes)
codes -= stored_codes
top_off_codes(codes, number_of_cards)
end
puts "Codes are unique and generated"
puts "Creating bundle"
@bundle = @retailer.bundles.create!(:value => value)
puts "Bundle created"
puts "Creating cards"
@bundle.transaction do
codes.each do |code|
@bundle.cards.create!(:code => code)
end
end
puts "Cards generated in #{Time.now - t}s"
end
def top_off_codes(codes, intended_number)
(intended_number - codes.size).times do
codes << ReadableRandom.get(CODE_LENGTH)
end
end
I'm using a gem called readable_random for the unique code. So if you read through all of that code, you'll see that it does all of it's uniqueness testing before it ever starts creating cards. It also writes status updates to the screen while it's running, and it always sits for a while at creating. Meanwhile it flies through the uniqueness tests. So my question to the stackoverflow community is: Why is my database slowing down as I add more cards? Why is this not a linear function in regards to time per card? I'm sure the answer is simple and I'm just a moron who knows nothing about data storage. And if anyone has any suggestions, how would you optimize this method, and how fast do you think you could get it to create 100,000 cards?
(When I plotted out my times on a graph and did a quick curve fit to get my line formula, I calculated how long it would take to create 100,000 cards with my current code and it says 5.5 hours. That maybe completely wrong, I'm not sure. But if it stays on the line I curve fitted, it would be right around there.)
I'm having a huge block trying to understand "trees" while making a Tic-Tac-Toe bot. I understand the concept, but I can't figure out to implement them.
Can someone show me an example of how a tree should be generated for such a case? Or a good tutorial on generating trees? I guess the hard part is generating partial trees. I know how to implement generating a whole tree, but not parts of it.
I have created a simple BuildProvider as a starting point, and althogh I get no errors, I don't have access to the generated class either. In fact, i don't know if my BuildProvider was even invoked. Is there a way to debug a BuildProvider? How do I know if there is a problem with my CodeDom or if it's something else?
Thanks!
I have a byte array generated by a random number generator. I want to put this into the STL bitset.
Unfortunately, it looks like Bitset only supports the following constructors:
A string of 1's and 0's like "10101011"
An unsigned long. (my byte array will be longer)
The only solution I can think of now is to read the byte array bit by bit and make a string of 1's and 0's. Does anyone have a more efficient solution?
I'm using twilio as for a mobile verification mechanism, I have no prior experience in using twilio but looking at the sample PHP code I used this one in my code but apparently it's giving me an 400 Bad request HTTP error. Here's the code:
d = {
'TO' : '*** *** ****',
'FROM' : '415-555-1212',
'BODY' : 'Hello user, please verify your device using this code %s' % verNumber
}
try:
print account.request('/%s/Accounts/%s/SMS/Messages' % \
(API_VERSION, ACCOUNT_SID), 'POST', d)
except Exception, e:
return HttpResponse('Error %s' % e)
verNumber is randomly generated and the receiver's number is validated in twilio.
Thanks.
Hey everyone,
Further to my question here, I have another question regarding salts.
When someone says "use a random salt" to pre/append to a password, does this mean:
Creating a static a 1 time randomly generated string of characters, or
Creating a string of characters that changes at random every time a
password is created?
If the salt is random for every user and stored along with the hashed password, how is the original salt ever retrieved back for verification?
Thanks!
Hi,
I want to do the following in my page_load:
if (condition)
ChangePasswordControl.InstructionText = "......";
However, I am using a ChangePasswordTemplate which when generated doesn't include an
<asp:Literal ID="InstructionText runat="server" /> or similar.
Can anyone suggest how to conditionally include instructions in the template in this context?
Thanks,
Chris
The bit.ly info API returns URLs for thumbnail images. When I attempt to access these images, I receive an access denied error. How do you access the thumbnail images generated by bit.ly?
EDIT:
I am testing the image URL by taking the URL provided by the info API and using the browser to access. Bit.ly returns an Access Denied error code. Do I need to somehow provide the login and apikey?
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..
When I set up Git, I did it while using a dsl modem, and my ip isn't static, so when I generated the ssh keys for Git, it was based on that ip.
When I'm assigned an ip other than the one used to generate the ssh Git keys, I can manually change the ip address to the one used to generate the keys. What are my other options to bypass this step? Dynamic DNS? Is there another way?
Hello,
I am trying to run a Thread to parse a list of links using the universal feed parser, but when I start the thread I get a Trace/BPT trap.
Here's the code I am using:
class parseRssFiles(Thread):
def __init__ (self,rssLinks):
Thread.__init__(self)
self.rssLinks = rssLinks
def run(self):
self.rssContents = [ feedparser.parse(link) for link in rssLinks]
Is there any other way to do this?
Link to the report generated by Mac OS X 10.6.2: http://simaom.com/trace.txt
Thanks
Hi ,
I am new to SOAP UI usage. I would like to test one of the webservices generated using weblogic 8.1 SP 6. The webservice is a document type webservice. Is there any way to test this webservice using SOAP UI ??
Or is there any tool which helps to test document type webservices??
Thanks in advance.
I get this error when using linq-to-sql with timestamp as part of a composite primary key:
"The primary key column of type 'Timestamp' cannot be generated by the server."
I'm guessing this may be due to the fact timestamp is just a row version thus perhaps it must be created after the insert? Or...
I have an XML schema that defines my data model. I would now like to have Objective C source files generated from the XML schema. Does anyone know how to accomplish this?
I am not sure how to put the correct title.
but here is the brief explanation.
With Microsoft .NET, i created a server side custom control using C# to be used in ASP.NET pages. I distribute the DLL generated as a component. developers will include that and use in their ASP.NET project.
Likewise, how can i do for Java based web components for to use with JSP or JSF or any other java web frameworks?
Parsing binary sums / products are easy, but I'm having troubles defining a grammar that parses
a + b * c + d + e
as
sum(a, prod(b, c), d, e)
My initial (naive) attempt generated 61 shift / reduce conflicts.
I'm using java cup (but I suppose a solution for any other parser generator would be easily translated).
i want to generate msi files from vdproj file using devenv command in command prompt. this command is running well but no msi file generated. what is wrong.
tell me what i should set in environment variable. or is there any other way to generate msi from vdproj file.
Hello, I can't login to github with generated ssh-keys. I've followed this manual: http://help.github.com/linux-key-setup but at step:
ssh [email protected]
I get:
Agent admitted failure to sign using
the key. Permission denied
(publickey).
What's wroing? And, of course, I'm adding my own user email.