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  • Global variables in java

    - by zachary
    I want to make a class in java that is assessable to all other classes in my project. I created this in the default package and now it cannot be seen. What is the best way to do this in java?

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  • Using an ObjectCollection as a parameter create a new Control?

    - by Luis
    I was using something like public int Test(System.Windows.Forms.ListBox.ObjectCollection Colecction) { } With this I want to pass just the ObjectCollection of the control, to sort, add and delete elements without passing the entire control, but someone told me that, this way of calling the collection, actualy, create an entire ListBox, making it a worst decition, than, passing a ListBox as a parameter. Is it true? An if, what's the best way of working whit the collection?

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  • How to get an instance of instance System.Diagnostics.Process by processID on a remote machine

    - by Tomas1
    Hi all, I want to run & control a process remotely, I found the best way is the WMI APIs, The WMI gives me information about the remote process but I need more control like waiting it and getting the standard output and errors, how can I do that, and can I get an instance of System.Diagnostics.Process class by instance ID remotely? note: I tried to get an instance of the Process by Process.GetProcessByPID and passign machineName parameter, but and Exception has thrown. Thanks in advance.

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  • Good way to deal with comma seperated values in oracle

    - by dmitry
    I am getting passed comma seperated values to a stored procedure in oracle. I want to treat these values as a table so that I can use them in a query like: select * from tabl_a where column_b in (<csv values passed in>) What is the best way to do this in 11g? Right now we are looping through these one by one and inserting them into a gtt which I think is ineffecient. Any pointers?

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  • JQuery remove .append after 5 seconds

    - by RussP
    Oh gosh here a lot today - oops Folks, best way to do this: $j('.done').append('Your services have been updated'); (that bits done) but then remove the append after say 5 seconds so that if a person resubmits a form(allowed) the append does not continue adding the text? i.e updated once "Your services have been updated", twice would read "Your services have been updated Your services have been updated" but I would only want Your services have been updated to show once

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  • Selecting only the first item of an xpath result set in PHP

    - by IkimashoZ
    I am currently achieving the desired outcome with two PHP statements: $thisBlarg = $xmlResource->xpath('//blarg[@ID='.$someBlargID.']'); echo $thisBlarg[0]->name; But, not wanting to settle for second best, I'd really prefer this to be one statement, but PHP doesn't like this: echo $xmlResource->xpath('//blarg[@ID='.$someBlargID.']')[0]->name; And for good reason. But I can't find a way to force an xpath query to return the result directly. Any suggestions?

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  • C++ class member functions instantiated by traits

    - by Jive Dadson
    I am reluctant to say I can't figure this out, but I can't figure this out. I've googled and searched Stack Overflow, and come up empty. The abstract, and possibly overly vague form of the question is, how can I use the traits-pattern to instantiate non-virtual member functions? The question came up while modernizing a set of multivariate function optimizers that I wrote more than 10 years ago. The optimizers all operate by selecting a straight-line path through the parameter space away from the current best point (the "update"), then finding a better point on that line (the "line search"), then testing for the "done" condition, and if not done, iterating. There are different methods for doing the update, the line-search, and conceivably for the done test, and other things. Mix and match. Different update formulae require different state-variable data. For example, the LMQN update requires a vector, and the BFGS update requires a matrix. If evaluating gradients is cheap, the line-search should do so. If not, it should use function evaluations only. Some methods require more accurate line-searches than others. Those are just some examples. The original version instantiates several of the combinations by means of virtual functions. Some traits are selected by setting mode bits that are tested at runtime. Yuck. It would be trivial to define the traits with #define's and the member functions with #ifdef's and macros. But that's so twenty years ago. It bugs me that I cannot figure out a whiz-bang modern way. If there were only one trait that varied, I could use the curiously recurring template pattern. But I see no way to extend that to arbitrary combinations of traits. I tried doing it using boost::enable_if, etc.. The specialized state information was easy. I managed to get the functions done, but only by resorting to non-friend external functions that have the this-pointer as a parameter. I never even figured out how to make the functions friends, much less member functions. The compiler (VC++ 2008) always complained that things didn't match. I would yell, "SFINAE, you moron!" but the moron is probably me. Perhaps tag-dispatch is the key. I haven't gotten very deeply into that. Surely it's possible, right? If so, what is best practice?

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  • image format in html and latex

    - by Tim
    Hi, I want to choose an image formate for including images in both html and latex. I found that jpeg and png formates are not always working well in latex. Is eps format the best for latex. It seems eps is not supported in html? What other format is good too? Thanks and regards!

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  • Web Programming language for very large lists?

    - by behrk2
    Hello, In your experience, what is the best web programming language used to handle sorting and comparison of very large lists (ie tens of thousands of email addresses)? I am most familiar with PHP. I think that it could get the job done, but I'm unsure of other languages and if there might be a bettor suitor. Thanks!

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  • Python/Django Concatenate a string depending on whether that string exists

    - by Douglas Meehan
    I'm creating a property on a Django model called "address". I want address to consist of the concatenation of a number of fields I have on my model. The problem is that not all instances of this model will have values for all of these fields. So, I want to concatenate only those fields that have values. What is the best/most Pythonic way to do this? Here are the relevant fields from the model: house = models.IntegerField('House Number', null=True, blank=True) suf = models.CharField('House Number Suffix', max_length=1, null=True, blank=True) unit = models.CharField('Address Unit', max_length=7, null=True, blank=True) stex = models.IntegerField('Address Extention', null=True, blank=True) stdir = models.CharField('Street Direction', max_length=254, null=True, blank=True) stnam = models.CharField('Street Name', max_length=30, null=True, blank=True) stdes = models.CharField('Street Designation', max_length=3, null=True, blank=True) stdessuf = models.CharField('Street Designation Suffix',max_length=1, null=True, blank=True) I could just do something like this: def _get_address(self): return "%s %s %s %s %s %s %s %s" % (self.house, self.suf, self.unit, self.stex, self.stdir, self.stname, self.stdes, self.stdessuf) but then there would be extra blank spaces in the result. I could do a series of if statements and concatenate within each, but that seems ugly. What's the best way to handle this situation? Thanks.

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  • How to send GPS data from android to a website?

    - by wafa.cs1
    Hi I'm new to Android and web service development! currently I'm working in developing Android program that will send longitude and latitude information to asp.net website (to show the location change the website map) the questions are - how to send this data to the website (the best practice)! - any suggestions for a suitable framework starting from the android application itself , inserting to database , client/server connection !! I've read a lot about web services specially REST ..but didn't find tutorials Appreciate your kind help..

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  • ModalPopupExtender with thmbnail and full size image

    - by arny
    Hi There, let me rewrite my question, I have a Ajax Accordion in my web site, Users can add images, in Accordion,I keep the thumbnail and fullsize image's path in Sql Server table, Users can see the thumbnail, and when they click the thumbnail, I use a ModalPopupExtender that open an asp panel to show the full size image, with progress image or preload bar What is the best way to achieve this? Thanks in advance

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  • Formtastic + nested categories

    - by astropanic
    I have an article model and an category model. Category act as tree. What is the best approch to build a select list to allow the administrator to select an category from a select list to associate it later with an article ? semantic_form_for(@article) do |f| f.input :title, :as => :string f.input :content, :as => :text f.input :category, :collection => #what should go here ? end

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  • How to subtract dates in YYYYMMDD format?

    - by NinjaBomb
    I have 2 integer fields that represent dates in the YYYYMMDD format. What is the best way to subtract 2 of these fields to get the correct # of days between them? For instance, if I take the difference between 20100511 and 20100428 I would like the result to be 13 and not 83. I know I need to convert the integer fields into date formats but everything I have tried either throws an exception or doesn't work correctly. What am I missing? Answers in vb.net please

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