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  • DateJS parsing mystery

    - by Herb Caudill
    I'm using DateJS to parse user-inputted dates, and getting some strange results. Date.parse("15 Jan 2010") returns Fri Jan 15 00:00:00 EST 2010 (right) Date.parse("15-Apr-2010") returns Thu Apr 15 00:00:00 EDT 2010 (right) Date.parse("15 Apr 2010") returns Thu Apr 1 00:00:00 EDT 2010 (wrong) As far as I can tell, the d MMM yyyy input format works fine for every month except April and August; in those two cases, it returns the first of the month no matter what day is entered. Is this a bug, or is there a logical explanation I'm missing?

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  • How does fork() return for son process

    - by EpsilonVector
    I know htat fork() returns differently for the son and father processes, but I'm unable to find information on how this happens. How does the son process receives the return value 0 from fork? And what is the difference in regards to the call stack? As I understand it, for the father it goes something like this: father process--invokes fork--system_call--calls fork--fork executes--returns to--system_call--returns to--father process. What happens in the son side?

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  • R: How to tell lapply to ignore an error and process the next thing in the list?

    - by John
    I have an example function below that reads in a date as a string and returns it as a date object. If it reads a string that it cannot convert to a date, it returns an error. testFunction <- function (date_in) { return(as.Date(date_in)) } testFunction("2010-04-06") # this works fine testFunction("foo") # this returns an error Now, I want to use lapply and apply this function over a list of dates: dates1 = c("2010-04-06", "2010-04-07", "2010-04-08") lapply(dates1, testFunction) # this works fine But if I want to apply the function over a list when one string in the middle of two good dates returns an error, what is the best way to deal with this? dates2 = c("2010-04-06", "foo", "2010-04-08") lapply(dates2, testFunction) I presume that I want a try catch in there, but is there a way to catch the error for the "foo" string whilst asking lapply to continue and read the third date?

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  • Intersection of two regular expressions

    - by Henry
    Hi, Im looking for function (PHP will be the best), which returns true whether exists string matches both regexpA and regexpB. Example 1: $regexpA = '[0-9]+'; $regexpB = '[0-9]{2,3}'; hasRegularsIntersection($regexpA,$regexpB) returns TRUE because '12' matches both regexps Example 2: $regexpA = '[0-9]+'; $regexpB = '[a-z]+'; hasRegularsIntersection($regexpA,$regexpB) returns FALSE because numbers never matches literals. Thanks for any suggestions how to solve this. Henry

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  • Understanding an interesting array update/replace function

    - by dave
    I'm a PHP amateur. This array function is an adaption of a function I noticed while reading this article. I thought this was an interesting type of array function, but I have a question about the way it works. my_func( array( 'sky' => 'blue' ) ); function my_func( array $settings = array() ) { $settings = $settings + array( 'grass'=>'green','sky'=>'dark' ); print_r( $settings ) ; // outputs: Array ( [sky] => blue [grass] => green ) } but..................... my_func( array( 'sky' => 'blue' ) ); function my_func( array $settings = array() ) { $settings = array( 'clock'=>'time' ) ; $settings = $settings + array( 'grass'=>'green','sky'=>'dark' ); print_r( $settings ) ; // outputs: Array ( [clock] => time [grass] => green [sky] => dark ) } Why does [sky] not equal 'blue' in the second instance? Thanks.

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  • Is it possible to unit test methods that rely on NHibernate Detached Criteria?

    - by Aim Kai
    I have tried to use Moq to unit test a method on a repository that uses the DetachedCriteria class. But I come up against a problem whereby I cannot actually mock the internal Criteria object that is built inside. Is there any way to mock detached criteria? Test Method [Test] [Category("UnitTest")] public void FindByNameSuccessTest() { //Mock hibernate here var sessionMock = new Mock<ISession>(); var sessionManager = new Mock<ISessionManager>(); var queryMock = new Mock<IQuery>(); var criteria = new Mock<ICriteria>(); var sessionIMock = new Mock<NHibernate.Engine.ISessionImplementor>(); var expectedRestriction = new Restriction {Id = 1, Name="Test"}; //Set up expected returns sessionManager.Setup(m => m.OpenSession()).Returns(sessionMock.Object); sessionMock.Setup(x => x.GetSessionImplementation()).Returns(sessionIMock.Object); queryMock.Setup(x => x.UniqueResult<SopRestriction>()).Returns(expectedRestriction); criteria.Setup(x => x.UniqueResult()).Returns(expectedRestriction); //Build repository var rep = new TestRepository(sessionManager.Object); //Call repostitory here to get list var returnR = rep.FindByName("Test"); Assert.That(returnR.Id == expectedRestriction.Id); } Repository Class public class TestRepository { protected readonly ISessionManager SessionManager; public virtual ISession Session { get { return SessionManager.OpenSession(); } } public TestRepository(ISessionManager sessionManager) { } public SopRestriction FindByName(string name) { var criteria = DetachedCriteria.For<Restriction>().Add<Restriction>(x => x.Name == name) return criteria.GetExecutableCriteria(Session).UniqueResult<T>(); } } Note I am using "NHibernate.LambdaExtensions" and "Castle.Facilities.NHibernateIntegration" here as well. Any help would be gratefully appreciated.

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  • Clojure: seq (cons) vs. list (conj)

    - by dbyrne
    I know that cons returns a seq and conj returns a collection. I also know that conj "adds" the item to the optimal end of the collection, and cons always "adds" the item to the front. This example illustrates both of these points: user=> (conj [1 2 3] 4) //returns a collection [1 2 3 4] user=> (cons 4 [1 2 3]) //returns a seq (4 1 2 3) For vectors, maps, and sets these differences make sense to me. However, for lists they seem identical. user=> (conj '(3 2 1) 4) (4 3 2 1) user=> (cons 4 '(3 2 1)) (4 3 2 1) Are there any examples using lists where conj vs. cons exhibit different behaviors, or are they truly interchangeable? Phrased differently, is there an example where a list and a seq cannot be used equivalently?

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  • Casting a char to an unsigned short: what happens behind the scenes?

    - by hb
    Given this field: char lookup_ext[8192] = {0}; // Gets filled later And this statement: unsigned short *slt = (unsigned short*) lookup_ext; What happens behind the scenes? lookup_ext[1669] returns 67 = 0100 0011 (C), lookup_ext[1670] returns 78 = 0100 1110 (N) and lookup_ext[1671] returns 68 = 0100 0100 (D); yet slt[1670] returns 18273 = 0100 0111 0110 0001. I'm trying to port this to C#, so besides an easy way out of this, I'm also wondering what really happens here. Been a while since I used C++ regularly. Thanks!

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  • sql conditional union on rowcount

    - by Stavros
    I have an SQL function which returns a list of Teams. I want to join an additional list to that list with a union, but only if it returns more than one rows. Something like: CREATE FUNCTION Teams() RETURNS TABLE AS RETURN ( SELECT * FROM TABLE1 UNION if @@rowcount>1 SELECT * FROM TABLE2 end if )

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  • How can I install a custom (patched) PECL extension?

    - by JKS
    I'm trying to use the htscanner PECL extension on my CentOS 5/PHP 5.2.6 machine, but there's a bug in the latest version where a newline character is added to the end of every php_value directive. This behavior causes my include_path and error_log values not to work. The bug and the patch are documented on the PECL site: http://pecl.php.net/bugs/bug.php?id=16891 I've downloaded the latest version, applied the patch, and re-compressed the package — but I can't get the PECL installer to accept it — or any local package, for that matter. I've tried every variation of the pecl install syntax that I can think of, and the only times I'm able to get it to work, it downloads an online copy first and ignores the local copy. Can anyone recommend a method for installing a PECL extension from a local file? Thanks for your consideration.

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  • Sharepoint FullTextQuery doesnt work

    - by user330309
    I have three scopes: scope A with rule include http: //mywebapp/lists/myList scope B with rule include FileExtenion aspx scope C with rule include http: //mywebapp/mysitecollection2/ some managed properties mapped to columns from myList, ows_contenttype, ows_created (Property1,2,3) select title, url, description, Property1, Property2, Property3 from Scope() where scope = 'A' this returns 15 resullts select title, url, description, Property1, Property2, Property3 from Scope() where scope = 'B' this returns 50 results select title, url, description, Property1, Property2, Property3 from Scope() where scope = 'C' this returns 10 results so why this query select title, url, description, Property1, Property2, Property3 from Scope() where scope = 'A' or scope='B' or scope='C' doesnt return 75 results ?? it returns 15 or some FullTextSqlQuery sqlQuery = new FullTextSqlQuery (site); sqlQuery .ResultTypes = ResultType .RelevantResults ; sqlQuery .QueryText = sql ; sqlQuery .TrimDuplicates = true; sqlQuery.EnableStemming=true; ResultTableCollection results = sqlQuery .Execute();

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  • eclipse IDE won't start in ubuntu 10.04 64bit with sun-java

    - by aeischeid
    i get this error when I try to run from CLI ** (Eclipse:2318): CRITICAL **: menu_proxy_module_load: assertion `dbusproxy != NULL' failed # A fatal error has been detected by the Java Runtime Environment: # SIGSEGV (0xb) at pc=0x00007f34511a4e74, pid=2318, tid=139863603410704 # JRE version: 6.0_18-b18 Java VM: OpenJDK 64-Bit Server VM (14.0-b16 mixed mode linux-amd64 ) Derivative: IcedTea6 1.8 Distribution: Ubuntu lucid (development branch), package 6b18-1.8-0ubuntu1 Problematic frame: C [libglib-2.0.so.0+0x41e74] g_main_context_prepare+0x164 # An error report file with more information is saved as: /home/aaron/opt/eclipse/hs_err_pid2318.log # If you would like to submit a bug report, please include instructions how to reproduce the bug and visit: https://bugs.launchpad.net/ubuntu/+source/openjdk-6/ The crash happened outside the Java Virtual Machine in native code. See problematic frame for where to report the bug. # I have sun-java installed and set in my PATH: ~: echo $JAVA_HOME /usr/lib/jvm/java-6-sun/

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  • How to change a Linux user password from python

    - by Vaulor
    I'm having problems with changing a Linux user's password from python. I've tried so many things, but I couldn't manage to solve the issue, here is the sample of things I've already tried: sudo_password is the password for sudo, sudo_command is the command I want the system to run, user is get from a List and is the user who I want to change the password for, and newpass is the pass I want to assign to 'user' user = list.get(ANCHOR) sudo_command = 'passwd' f = open("passwordusu.tmp", "w") f.write("%s\n%s" % (newpass, newpass)) f.close() A=os.system('echo -e %s|sudo -S %s < %s %s' % (sudo_password, sudo_command,'passwordusu.tmp', user)) print A windowpass.destroy() 'A' is the return value for the execution of os.system, in this case 256. I tried also A=os.system('echo %s|sudo -S %s < %s %s' % (sudo_password, sudo_command,'passwordusu.tmp', user)) but it returns the same error code. I tried several other ways with 'passwd' command, but whithout succes. With 'chpasswd' command I 've tried this: user = list.get(ANCHOR) sudo_command = 'chpasswd' f = open("passwordusu.tmp", "w") f.write("%s:%s" % (user, newpass)) f.close() A=os.system('echo %s|sudo -S %s < %s %s' % (sudo_password, sudo_command,'passwordusu.tmp', user)) print A windowpass.destroy() also with: A=os.system('echo %s|sudo -S %s:%s|%s' % (sudo_password, user, newpass, sudo_command)) @;which returns 32512 A=os.system("echo %s | sudo -S %s < \"%s\"" % (sudo_password, sudo_command, "passwordusu.tmp")) @;which returns 256 I tried 'mkpasswd' and 'usermod' too like this: user = list.get(ANCHOR) sudo_command = 'mkpasswd -m sha-512' os.system("echo %s | sudo -S %s %s > passwd.tmp" % (sudo_password,sudo_command, newpass)) sudo_command="usermod -p" f = open('passwd.tmp', 'r') for line in f.readlines(): newpassencryp=line f.close() A=os.system("echo %s | sudo -S %s %s %s" % (sudo_password, sudo_command, newpassencryp, user)) @;which returns 32512 but, if you go to https://www.mkpasswd.net , hash the 'newpass' and substitute for 'newpassencryp', it returns 0 which theoretically means it has gone right, but so far it doesn't changes the password. I've searched on internet and stackoverflow for this issue or similar and tried what solutions exposed, but again,without success. I would really apreciate any help, and of course, if you need more info i'll be glad to supply it! Thanks in advance.

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  • Increasing Screen Resolution to more than limit and scaling to origional

    - by Akshat Mittal
    I have a laptop, with Screen Resolution - 1366x768 (most common) - I want to increase it further to 1600x900 (or higher), in the same ratio. I want to scale the higher resolution on my current screen to fit it. I found xrandr with command xrandr --output LVDS1 --scale 1.4x1.4, this worked but again resulted to another problem, it does the scaling thing but the cursor is still blocked into the native screen resolution and I am not able to move it further, I found that the bug is already filed here. Also this command was only for Linux, I wanted to do this thing with both Linux and Windows (including Windows 8). I want a similar software that is bug free (at least not a major bug like this) and that supports Windows as well (or two separate software for Windows and Linux). Any help is appreciated and Thanks in advance.

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  • Share ASP.Net membership info between two applications

    - by bill
    Hi All, I have an existing webapp and i'm attempting to setup BlogEngine .Net to share the membership tables Everything seems to work.. accept i can see that the Membership.ValidateUser call in blogengine returns false! While the other apps returns true. I'm at a loss.. Membership.GetUser called from both apps returns the correct user.. Any ideas? thanks!

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  • Should a g_object_new have a matching g_object_unref?

    - by legends2k
    I'm using libnotify to show desktop notifications in my application; notify_notification_new() returns a NotifyNotification*, which should be passed as the first param to further function calls of the notification library. There is no notify_notification_free() which frees the pointer it returns. I looked up the source of notify_notification_new() and internally it does a g_object_new(), gets a GObject* and returns it as a NotfiyNotification*, so when my application does the clean up, should I call a g_object_unref() on the pointer returned by notify_notification_new()?

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  • Implement dictionary using java

    - by ahmad
    Task Dictionary ADT The dictionary ADT models a searchable collection of key-element entries Multiple items with the same key are allowed Applications: word-definition pairs Dictionary ADT methods: find(k): if the dictionary has an entry with key k, returns it, else, returns null findAll(k): returns an iterator of all entries with key k insert(k, o): inserts and returns the entry (k, o) remove(e): remove the entry e from the dictionary size(), isEmpty() Operation Output Dictionary insert(5,A) (5,A) (5,A) insert(7,B) (7,B) (5,A),(7,B) insert(2,C) (2,C) (5,A),(7,B),(2,C) insert(8,D) (8,D) (5,A),(7,B),(2,C),(8,D) insert(2,E) (2,E) (5,A),(7,B),(2,C),(8,D),(2,E) find(7) (7,B) (5,A),(7,B),(2,C),(8,D),(2,E) find(4) null (5,A),(7,B),(2,C),(8,D),(2,E) find(2) (2,C) (5,A),(7,B),(2,C),(8,D),(2,E) findAll(2) (2,C),(2,E) (5,A),(7,B),(2,C),(8,D),(2,E) size() 5 (5,A),(7,B),(2,C),(8,D),(2,E) remove(find(5)) (5,A) (7,B),(2,C),(8,D),(2,E) find(5) null (7,B),(2,C),(8,D),(2,E) Detailed explanation: NO Specific requirements: please Get it done i need HELP !!!

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  • What does the ^ operator do in Java?

    - by joroj
    What function does the "^" operator serve in Java? When I try this: int a = 5^n; ...it gives me: for n = 5, returns 0 for n = 4, returns 1 for n = 6, returns 3 ...so I guess it doesn't indicate exponentiation. But what is it then?

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  • Problem finding the difference in days between two dates

    - by James
    I have been using a tidy little routine that I found here to calculate the difference in days between two dates in AS3. I am getting some strange results and I am wondering if any of you inter-codal-mega-lords can shed some light? Why is Q1 of 2010 coming up one day short, when in all other cases the routine is performing fine? Many thanks in advance to anyone who can help! function countDays( startDate:Date, endDate:Date ):int { var oneDay:int = 24*60*60*1000; // hours*minutes*seconds*milliseconds var diffDays:int = Math.abs((startDate.getTime() - endDate.getTime())/(oneDay)); return diffDays; } countDays( new Date( 2010, 00, 01 ), new Date( 2011, 00, 01 ) ); // returns 365, which is correct countDays( new Date( 2010, 00, 01 ), new Date( 2010, 03, 01 ) ); // returns 89, which is 1 day short countDays( new Date( 2010, 03, 01 ), new Date( 2010, 06, 01 ) ); // returns 91, which is correct countDays( new Date( 2010, 06, 01 ), new Date( 2010, 09, 01 ) ); // returns 92, which is correct countDays( new Date( 2010, 09, 01 ), new Date( 2011, 00, 01 ) ); // returns 92, which is correct

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  • Why does document.evaluate succeed in Firebug but fail in Selenium?

    - by anil
    browser.getEval function in selenium makes iterateNext return null ..Otherwise in firebug it returns a value(same script) document.evaluate("//button[text()='Save']", document, null, XPathResult.ANY_TYPE, null) .iterateNext() .disabled; returns true But browser.getEval("document.evaluate(\"//button[text()='Save']\", document, null, XPathResult.ANY_TYPE, null) .iterateNext() .disabled;"); returns that error as : "com.thoughtworks.selenium.SeleniumException: ERROR: Threw an exception: res.iterateNext() is null "

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  • Why is PHP date() adding +1 hour in diff calculation?

    - by Lex
    Hi there, I've got kind of a tricky question, I already searched every related question on Stackoverflow and neither solved my conundrum, although I think I'm running in circles, so here's the question: I've got this code: $val = (strtotime('2010-03-22 10:05:00')-strtotime('2010-03-22 09:00:00')) This returns correctly $val = 3900 (3600 seconds = 1 hour, 300 seconds = 5 mins) But doing this: echo date("H:i",$val)."<br>"; returns 02:05 even doing this: echo date("H:i",3900)."<br>"; returns 02:05 (just to be naively sure) Doing this: echo date("H:i eTO",3900)."<br>"; returns 02:05 System/LocaltimeCET+0100 Which is correct, my timezone is CET and is +1. What's going on? Is date() correcting the timezone for some reason? Or am I doing anything wrong?

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  • Partially Modifying an XML serialized document.

    - by Stacey
    I have an XML document, several actually, that will be editable via a front-end UI. I've discovered a problem with this approach (other than the fact that it is using xml files instead of a database... but I cannot change that right now). If one user makes a change while another user is in the process of making a change, then the second one's changes will overwrite the first. I need to be able to request objects from the xml files, change them, and then submit the changes back to the xml file without re-writing the entire file. I've got my entire xml access class posted here (which was formed thanks to wonderful help from stackoverflow!) using System; using System.Linq; using System.Collections; using System.Collections.Generic; namespace Repositories { /// <summary> /// A file base repository represents a data backing that is stored in an .xml file. /// </summary> public partial class Repository<T> : IRepository { /// <summary> /// Default constructor for a file repository /// </summary> public Repository() { } /// <summary> /// Initialize a basic repository with a filename. This will have to be passed from a context to be mapped. /// </summary> /// <param name="filename"></param> public Repository(string filename) { FileName = filename; } /// <summary> /// Discovers a single item from this repository. /// </summary> /// <typeparam name="TItem">The type of item to recover.</typeparam> /// <typeparam name="TCollection">The collection the item belongs to.</typeparam> /// <param name="expression"></param> /// <returns></returns> public TItem Single<TItem, TCollection>(Predicate<TItem> expression) where TCollection : IDisposable, IEnumerable<TItem> { using (var list = List<TCollection>()) { return list.Single(i => expression(i)); } } /// <summary> /// Discovers a collection from the repository, /// </summary> /// <typeparam name="TCollection"></typeparam> /// <returns></returns> public TCollection List<TCollection>() where TCollection : IDisposable { using (var list = System.Xml.Serializer.Deserialize<TCollection>(FileName)) { return (TCollection)list; } } /// <summary> /// Discovers a single item from this repository. /// </summary> /// <typeparam name="TItem">The type of item to recover.</typeparam> /// <typeparam name="TCollection">The collection the item belongs to.</typeparam> /// <param name="expression"></param> /// <returns></returns> public List<TItem> Select<TItem, TCollection>(Predicate<TItem> expression) where TCollection : IDisposable, IEnumerable<TItem> { using (var list = List<TCollection>()) { return list.Where( i => expression(i) ).ToList<TItem>(); } } /// <summary> /// Attempts to save an entire collection. /// </summary> /// <typeparam name="TCollection"></typeparam> /// <param name="collection"></param> /// <returns></returns> public Boolean Save<TCollection>(TCollection collection) { try { // load the collection into an xml reader and try to serialize it. System.Xml.XmlDocument xDoc = new System.Xml.XmlDocument(); xDoc.LoadXml(System.Xml.Serializer.Serialize<TCollection>(collection)); // attempt to flush the file xDoc.Save(FileName); // assume success return true; } catch { return false; } } internal string FileName { get; private set; } } public interface IRepository { TItem Single<TItem, TCollection>(Predicate<TItem> expression) where TCollection : IDisposable, IEnumerable<TItem>; TCollection List<TCollection>() where TCollection : IDisposable; List<TItem> Select<TItem, TCollection>(Predicate<TItem> expression) where TCollection : IDisposable, IEnumerable<TItem>; Boolean Save<TCollection>(TCollection collection); } }

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  • Unit Testing: hard dependency MessageBox.Show()

    - by Sean B
    What ways can the SampleConfirmationDialog be unit tested? The SampleConfirmationDialog would be exercised via acceptance tests, however how could we unit test it, seeing as MessageBox is not abstract and no matching interface? public interface IConfirmationDialog { /// <summary> /// Confirms the dialog with the user /// </summary> /// <returns>True if confirmed, false if not, null if cancelled</returns> bool? Confirm(); } /// <summary> /// Implementation of a confirmation dialog /// </summary> public class SampleConfirmationDialog : IConfirmationDialog { /// <summary> /// Confirms the dialog with the user /// </summary> /// <returns>True if confirmed, false if not, null if cancelled</returns> public bool? Confirm() { return MessageBox.Show("do operation x?", "title", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes; } }

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