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  • Using Squeak from a shell

    - by Vijay Mathew
    Can I launch Squeak as a REPL (no GUI), where I can enter and evaluate Smalltalk expressions? I know the default image don't allow this. Is there any documentation on how to build a minimum image that can be accessed from a command-line shell?

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  • How do I map common properties in NHibernate

    - by Ian Oakes
    In the database I'm working with, every table repeats the same nine columns and I don't want to have to supply the same properties in each of my entities to map these columns. I've tried adding properties to a common base class and adding them to the sub class's mapping file, but this doesn't work. I've read the documentation around inheritance mapping but this did not help. What is the best way to map columns that repeat accross multiple tables in NHibernate?

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  • Another word for Business Logic?

    - by herzmeister der welten
    What is another good word for Business Logic? Software might also run in civil service offices or for hobbyists, so I never felt that comfortable with using that term in certain modules and documentation. App Logic is too specific as well, because logic modules might also be used in services.

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  • Android: how to share code between projects signed with the same certificate

    - by tomash
    In Android documentation concerning code signing we can read: "By signing multiple applications with the same certificate and using signature-based permissions checks, your applications can share code and data in a secure manner." How exactly such code sharing can be done? Is it possible to release main application and multiple exchangeable plugins then discover them at runtime? What does source code looks like and what are advantages over "standard" intents calls from/to different APK packages?

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  • manipulating the geocoding webservices results through javascript?

    - by hao
    using http://maps.google.com/maps/api/geocode/json?address=xyz we get a json file I am wondering how can i maniupluate the results in javascript? How do i create the results object in javascript? http://code.google.com/apis/maps/documentation/geocoding/index.html#JSONParsing this doesnt really explain how they get the myJSONResult

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  • Navigating the Content Assist List in Eclipse

    - by Jack
    Here are the ways the Eclipse documentation states you can navigate the Content Assist list: You can use the mouse or the keyboard (Up Arrow, Down Arrow, Page Up, Page Down, Home, End, Enter) to navigate and select lines in the list. But all of the options require you to move your hands significantly away from their natural place on the keyboard! Are there any other, quicker ways I can navigate this list? Something like tab, or the j/k from vi?

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  • How to register file types/extensions with a WiX installer?

    - by OregonGhost
    I didn't find an explicit answer to this question in the WiX Documentation (or Google, for that matter). Of course I could just write the appropriate registry keys in HKCR, but it makes me feel dirty and I'd expect this to be a standard task which should have a nice default solution. For bonus points, I'd like to know how to make it "safe", i.e. don't overwrite existing registrations for the file type and remove the registration on uninstall only if it has been registered during installation and is unchanged.

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  • hook_user not being called for 'login' operation

    - by Allain Lalonde
    I've read in the drupal documentation that hook_user should be invoked for the login operation. To test this I've added a call to drupal_set_message at the top of my modules hook implementation and the only message I'm receiving is a call with 'load' as the $op. I've confirmed that drupal_set_message can be called multiple times and it doesn't erase the previous message, so I'm confident that hook_user is only being invoked the one time. Any good reasons for why hook_user isn't being invoked with 'login' as an operation when I'm logging in?

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  • using string, blob or clob for thread body?

    - by ajsie
    what data type (string, blob or clob) should i use for my thread body when using doctrine? and what length should it be? i have read the documentation but dont quite understand the differences between them. seems that all three can store unlimited nr of characters. could someone explain and how do i store unlimited characters in string? what should i set as length?

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  • Check if NSURL is Local File

    - by golfromeo
    This is a pretty simple question- how can I check if a NSURL is linking to a local file? I know, RTFM, but I checked the documentation and I don't seem to see any methods related to this. The only methods I did find were -isFileReferenceURL and -isFileURL, but I think these only check if the URL directly links to a file. note: I'm making an iPhone app, so by "local file" I mean a .html file stored in the project's resources. Thanks for any help in advance.

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  • wildcards to use in codeigniter routing?

    - by ajsie
    in codeigniter you can use wildcard to reroute. i never heard the word wildcards before. is this a set of rules you can use like regexp? cause in codeigniter documentation they just gave some examples eg. $route['product/(:num)'] = "catalog/product_lookup_by_id/$1"; is there a list/reference with all the available wildcard expressions you can use?

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  • How to tell whether a font is monospace using GTK and Pango?

    - by ptomato
    I have a PangoFontDescription and I want to know whether it describes a monospace font. I have seen the function pango_font_family_is_monospace() in the Pango API documentation but after several hours of puzzling it is still not clear to me what the relationships are between PangoFontFamily, PangoFontMap, PangoFont, PangoFontset, PangoContext, and PangoFontDescription and whether I need any or all of these to achieve what I want. So far, PangoFontDescription is the only part of Pango I've needed to use, as GTK manages to abstract everything else away. Can anyone who has done this before help me out?

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  • Undefined method for ri inside of IRB

    - by ThinkBohemian
    Inside of the interactive ruby console if i type ri then i get an undefined method error, do i explicitly have to install documentation somewhere to get this to work? irb(main):015:0* ri --help NoMethodError: undefined method `-@' for nil:NilClass from (irb):15 from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:295 irb(main):016:0> ri Array NoMethodError: undefined method `ri' for main:Object from (irb):16 from /usr/local/lib/ruby/site_ruby/1.8/rubygems.rb:295

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  • Processing image data in java me

    - by Trimack
    Hi, I want to process raw data from a picture taken in java me with byte[] snap = videoControl.getSnapshot(encoding); My question is, whether I should try working already with snap or should I first create the image from this array Image im = Image.createImage(snap, 0, snap.length); and then work with that? Or is there some better documentation of both methods, i.e. getSnapshot and createImage than the Java API reference?

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  • Why .data() function of jQuery is better to prevent memory leaks?

    - by burak ozdogan
    Hi, Regarding to jQuery utility function jQuery.data() the online documentation says: "The jQuery.data() method allows us to attach data of any type to DOM elements in a way that is safe from circular references and therefore from memory leaks. " Why to use: document.body.foo = 52; can result a memory leak -or in what conditions- so that I should use jQuery.data(document.body, 'foo', 52); Should I ALWAYS prefer .data() instead of using expandos in any case? (I would appreciate if you can provide an example to compare the differences) Thanks, burak ozdogan

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