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• Autodetect timezone in Rails given UTC offset and DST

  - by Jose

  I basically want to autodetect a user's timezone using Rails. I can use this JS code at the user's browser (http://www.onlineaspect.com/2007/06/08/auto-detect-a-time-zone-with-javascript/) to send a form with the UTC offset and the fact that the time zone observes DST during summer or not, in the user's time zone. Once I have that info in the…

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• TreeView in Winforms and focus problem

  - by Marcus

  Hi, Can anyone please explain to my why the form in the code below gets out of focus when selecting a treenode in the tree? What should happen is that the form/button should get the focus when the tree disappears like the listview example but it doesn't. Code example: using System; using System.Collections.Generic; using…

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• What exactly is RTSJ, the Real-Time Specification for Java?

  - by Marcus

  What exactly is the Java Real Time Specification? That is, how does it differ from the "regular" JSE or JEE specifications?

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• Java BigDecimal memory usage?

  - by Marcus

  Is there a guideline for estimating the amount of memory consumed by a BigDecimal? Looking for something similar to these guidelines for estimating String memory usage.

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• asp.net client/browser url

  - by Marcus King

  I'm wondering how I can get the url from the browser in asp.net. I have a page that I use globalization/localization for and I am redirecting (via server not code) from www.spanishversion.com to www.englishversion.com but the url is masked to still say www.spanishversion.com. I want to get what the browser's url is but…

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• How to convert hexadecimal representation of data to binary data in PHP?

  - by Marcus Adams

  I'm familiar with php's function bin2hex() for converting binary data to its hexadecimal representation. However, what is the complement function to convert the hexadecimal representation of the data back to binary data? For example: $foo = "hello"; $foo = bin2hex($foo); echo $foo; // Displays 68656c6c6f How do I…

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• How to display a subview loaded from a separate NIB file

  - by Marcus Netter

  I'm developing a Cocoa desktop application that uses a source list in the style of iTunes: different elements in the source list cause the main content area to display different views. The content area is entirely filled with a (vertical) NSSplitView; on the left is an NSOutlineView source list. When the user selects…

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• How do you convert a hexadecimal representation of data to binary data in PHP?

  - by Marcus Adams

  I'm familiar with php's function bin2hex() for converting binary data to its hexadecimal representation. However, what is the complement function to convert the hexadecimal representation of the data back to binary data? For example: $foo = "hello"; $foo = bin2hex($foo); echo $foo; // Displays 68656c6c6f How do I…

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• Explanation of JAXB error: Invalid byte 1 of 1-byte UTF-8 sequence

  - by Marcus

  We're parsing an XML document using JAXB and get this error: [org.xml.sax.SAXParseException: Invalid byte 1 of 1-byte UTF-8 sequence.] at javax.xml.bind.helpers.AbstractUnmarshallerImpl.createUnmarshalException(AbstractUnmarshallerImpl.java:315) What exactly does this mean and how can we resolve this?? We are…

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• hg command to see the changeset prior to an hg fetch

  - by Marcus

  What mercurial command can you use to see the changeset prior to changeset xyz? If you do hg log -r :xyz you see all the changesets prior to (and including) xyz - listed in ascending order. But I'd like to easily see just the prior changeset. Update: Really what I'm after is: If I do an hg fetch, what command…

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• Flex3 Linechart points are too close to the edge

  - by Marcus Blankenship

  I have a Flex3 LineChart component using an CircleItemRenderer and the datapoints are being cut off because they are too close to the edge. Here's what it looks like: http://img29.imageshack.us/img29/3850/chartx.png As you can see, the circles on the left and right sides are being cut off. How can I make…

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• JBoss JDBC warning - "Unable to fill pool"

  - by Marcus

  We're getting this random warning from JBoss.. any idea why? It happens at random times when there are no active threads. Everything works when any processing resumes. 13:49:31,764 WARN [JBossManagedConnectionPool] [ ] Unable to fill pool org.jboss.resource.JBossResourceException: Could not create…

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• jQuery problem with change event and IE8

  - by Marcus

  There is a bug in jQuery 1.4.2 that makes change event on select-element getting fired twice when using both DOM-event and a jQuery event, and this only on IE7/8. Here is the test code: <html> <head> <script src="http://code.jquery.com/jquery-1.4.2.js"…

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• What's the proper response to WM_ENDSESSION with ENDSESSION_CLOSEAPP and wParam == FALSE?

  - by Marcus Lindblom

  According to the WM_ENDESSION docs, when lParam is ENDSESSION_CLOSEAPP and wParam is FALSE, "the application should not shut down". So, should I just ignore that and use the default response? What is it's purpose? (I'm listening to Windows events/messages in Qt (C++)…

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• Subsonic SQLite Multiple Files

  - by Marcus Vinicius de LIma

  Hi, I have an application that must be accessed for many users. To optimize the performance I intend to store each user profile information at a independant database file. I need everytime a user login the application, to setup a new provider linked with his own…

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• JAXB - representing element as boolean?

  - by Marcus

  We have this XML: <Summary> <ValueA>xxx</ValueA> <ValueB/> </Summary> <ValueB/> will never have any attributes or inner elements. It's a boolean type element - it exists (true) or it doesn't (false). JAXB…

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• Bloomberg APIv3 returning Slow Consumer Warnings!

  - by Marcus

  I made a program in c# based on the example "SubscriptionWithEventHandlerExample" of API 3.2.9.0. After subscribing to about 500 securities for realtime data, I receive some ADMIN event warnings claiming SlowConsumerWarning and SlowConsumerWarningCleared. I…

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• Autowiring collections with IoC

  - by Marcus

  Hi, Anyone know if there exists any IoC container that can handle this: Given: ISomeInterfce<T> where T : Entity Impl1 : ISomeInterfce<Entity1> Impl2 : ISomeInterfce<Entity1> Impl3 : ISomeInterfce<Entity2> Impl4 :…

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• Screenshot of the Nexus One from adb?

  - by Marcus

  My goal is to be able to type a one word command and get a screenshot from a rooted Nexus One attached by USB. So far, I can get the framebuffer which I believe is a 32bit xRGB888 raw image by pulling it like this: adb pull /dev/graphics/fb0…

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• Java Real Time explanation

  - by Marcus

  What exactly is the Java Real Time Specification? That is, how does it differ from the "regular" JSE or JEE specifications?

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• Java Unicode encoding

  - by Marcus

  A Java char is 2 bytes (max size of 65,536) but there are 95,221 Unicode characters. Does this mean that you can't handle certain Unicode characters in a Java application? Does this boil down to what character encoding you are using?

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• Hackers as CS Majors - Easy?

  - by Marcus Pink

  Just curious. For those of you who had extensive experience programming before school (or who got really, really good at programming during school) did you're CS classes became very easy? Almost like trivial side work?

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• Sync Services With AddressBook

  - by Marcus

  Hi, I've developed an application to sync the Mac address book with another application. I was using an NSNotification (kABDatabaseChangedExternallyNotification) which are sent every time the address book is edited to do the syncing. However…

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• Hibernate advanced select

  - by Marcus

  We want to get a row from a table using Hibernate a la: select max(id) from mytable where date = <date> Then select * from mytable where id = <max_id> We are currently using Hibernate to map mytable to Java domain objects. …

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• How to check if two types can be compared, summed etc.?

  - by Marcus

  Hi, if given two types (Type a, Type b), is there any "nice" way to find out if those two can be compared, summed etc.? I was thinking if the types implement IConvertible, one could convert both to lets say decimal and perform a…

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