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  • Why does Perl's shift complain 'Type of arg 1 to shift must be array (not grep iterator).'?

    - by wes
    I've got a data structure that is a hash that contains an array of hashes. I'd like to reach in there and pull out the first hash that matches a value I'm looking for. I tried this: my $result = shift grep {$_->{name} eq 'foo'} @{$hash_ref->{list}}; But that gives me this error: Type of arg 1 to shift must be array (not grep iterator). I've re-read the perldoc for grep and I think what I'm doing makes sense. grep returns a list, right? Is it in the wrong context? I'll use a temporary variable for now, but I'd like to figure out why this doesn't work.

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  • T-SQL Syntax Issue Else if style logic

    - by Yoda
    Hi guys, two questions today, I'm a busy bee and luckily I have an awesome community at my disposal! My issue here is this: I have a field i need to update based on existing field data. If Gender = F then foo = 1 If Gender = M then foo = 2 If Gender = Male then foo = 2 If Gender = Female then foo = 1 If Gender is not above then foo = 3 Here is what I have: update EmailAddresses set Priority1 = '1' where GENDER__C = 'Female' update EmailAddresses set Priority1 = '2' where GENDER__C = 'Male' update EmailAddresses set Priority1 = '1' where GENDER__C = 'F' update EmailAddresses set Priority1 = '2' where GENDER__C = 'M' update EmailAddresses set Priority1 = '3' where GENDER__C not in (select 'Female', 'Male', 'F', 'M') Any help much appreciated! And its Friday!! Whoo hoo

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  • json object composition details

    - by Ethan
    in .json text, is the 'value' in a basic single pair object the title of a value type (e.g. [string, number, object]), or a value for a typed object (e.g. 2, or "dog", or Object3)? This is how http://www.json.org/ presents the information: "An object is an unordered set of name/value pairs. An object begins with { (left brace) and ends with } (right brace). Each name is followed by : (colon) and the name/value pairs are separated by , (comma)."

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  • The case of the sneaky backslash - Regex

    - by Shane Cusson
    I'm missing something very obvious here, but I just cant see it. I've got: string input = @"999\abc.txt"; string pattern = @"\\(.*)"; string output = Regex.Match(input,pattern).ToString(); Console.WriteLine(output); My result is: \abc.txt I don't want the slash and cant figure out why it's sneaking into the output. I tried flipping the pattern, and the slash winds up in the output again: string pattern = @"^(.*)\\"; and get: 999\ Strange. The result is fine in Osherove's Regulator. Any thoughts? Thanks.

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  • Jquery: syntax for inserting a function

    - by kelly
    I'm trying to integrate an animation by using the bezier path plug-in and I can't seem to implement it right. Stripped down, here's what I have: $('#next2btn').live('click', function(){ $(this).attr('id','next3btn'); $('#content2').show(300, function() { $('#account').fadeTo(500,1.0) var arc_params = { center: [278,120], radius: 186, start: -90, end: 90, dir: -1 }; }); $("#account").animate({path : new $.path.arc(arc_params)},1000); }); So, I'm trying to add this piece of code into what I have: var arc_params = { center: [278,120], radius: 186, start: -90, end: 90, dir: -1 }; }); $("#account").animate({path : new $.path.arc(arc_params)},1000) which works on its own as does the other. I'm thinking it's something about declaring that variable and where I do that. I'm essentially chaining a few different animations/actions upon a button click. Thanks for any insight- kj

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  • How to check for case sensitive in hibernate criteria

    - by dhiraj
    0 vote down star I have used hibernate to fetch the login information from the mysql database. But the problem is that say for example the user name is 'dhiraj' in the database, now the login is successful by entering the user name, but it is also allowing to enter by taking the user name in uppercase also, e.g., 'DHIRAJ'. I want to restrict it to as it in the database. Can you tell me how to achieve that in hibernate?

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  • Case Insensitive URLs with mod_rewrite

    - by Paul Tarjan
    I'd like for any url that doesn't hit an existing file, to do a lookup on the other possible cases and see if those files exist, and if so, 302 to them. If that's not possible, then I'm ok with these compromises: Only check the lowercase version Only check the first path portion For example http://example.com/CoOl/PaTH/CaMELcaSE should redirect to http://example.com/cool/path/camelCase (assuming the latter exists). but of course a full solution is much more useful to me and others

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  • SQL IN Statement using like syntax?

    - by StackUnderflow
    I would like to do something like this i.e., use wild card characters in the in clause: SELECT * FROM mytable WHERE keywords IN ('%test%', '%testing%') This is not supported in MS SQL.... Is there some other way to achieve it... Looking for something other than: SELECT * FROM mytable WHERE keywords like '%test%' or keywords like '%testing%' or.....

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  • Syntax for combining joins in mysql

    - by UltraVi01
    I seem to remember reading somewhere that there is a way to combine LEFT JOIN statements into a more simple query. I have the following query and was hoping someone could kindly take a look at it. SET @userId = 8; SELECT ug.user_id, COUNT(DISTINCT goal_id) as matches FROM user_goal ug, user u, profile p LEFT JOIN user_block ub ON @userId = ub.blocked_id LEFT JOIN user_block ub2 ON @userId = ub2.blocker_id LEFT JOIN user_user uu ON @userId = uu.user_id LEFT JOIN friend_request fr ON @userId = fr.user_id WHERE ug.user_id = u.id AND u.profile_id = p.id AND (ub.blocker_id IS NULL OR ub.blocker_id != ug.user_id) AND (ub2.blocked_id IS NULL OR ub2.blocked_id != ug.user_id) AND (uu.user_friends_id IS NULL OR uu.user_friends_id != ug.user_id) AND (fr.to_user_id IS NULL OR (fr.to_user_id != ug.user_id)) AND ug.user_id!=@userId AND p.suggestible AND goal_id IN (SELECT iug.goal_id FROM user_goal iug WHERE user_id=@userId) GROUP BY user_id ORDER BY matches DESC LIMIT 4

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  • Google Application Engine slow in case of Python...

    - by Aftershock
    hi, I am reading a "table" in Python in GAE that has 1000 rows and the program stops because the time limit is reached. (So it takes at least 20 seconds.)( Is that possible that GAE is that slow? Is there a way to fix that? Is this because I use free service and I do not pay for it? Thank you. The code itself is this: for u in userall: # userall has 1000 users for stockname in stocknamesall: # 4 stocks astock= stocksowned() astock.quantity = random.randint(1,100) astock.nameid = u.key() astock.stockid = stockname.key() liststocks.append(astock);

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  • Mixture of php shorttags

    - by drpcken
    I'm taking over a codeigniter project and notice the original dev uses a mixture of short tag and php tags in the views. For example: <div id="content"> <?=show_header()?> <ul id="products"> <?php if (count($products) > 0) : ?> <?php foreach($products as $product) : ?> ... </div> Is this bad practice to inherit? I think it is already causing me problems in my dev environment.

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  • Unit testing, mocking - simple case: Service - Repository

    - by rafek
    Consider a following chunk of service: public class ProductService : IProductService { private IProductRepository _productRepository; // Some initlization stuff public Product GetProduct(int id) { try { return _productRepository.GetProduct(id); } catch (Exception e) { // log, wrap then throw } } } Let's consider a simple unit test: [Test] public void GetProduct_return_the_same_product_as_getProduct_on_productRepository() { var product = EntityGenerator.Product(); _productRepositoryMock.Setup(pr => pr.GetProduct(product.Id)).Returns(product); Product returnedProduct = _productService.GetProduct(product.Id); Assert.AreEqual(product, returnedProduct); _productRepositoryMock.VerifyAll(); } At first it seems that this test is ok. But let's change our service method a little bit: public Product GetProduct(int id) { try { var product = _productRepository.GetProduct(id); product.Owner = "totallyDifferentOwner"; return product; } catch (Exception e) { // log, wrap then throw } } How to rewrite a given test that it'd pass with the first service method and fail with a second one? How do you handle this kind of simple scenarios? HINT: A given test is bad coz product and returnedProduct is actually the same reference.

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  • Have trouble when using heredoc syntax in PHP

    - by wamp
    <?php $output = <<< END <table style="display: table;" class="listview rowstyle-rowhighlight" id="resourcegrid"> <thead> <tr> <th width="70"></th> <th style="-moz-user-select: none;" class="sortable fd-column-0"><a class="fdTableSortTrigger" href="#">Name</a></th> <th style="-moz-user-select: none;" class="sortable fd-column-1"><a class="fdTableSortTrigger" href="#">Contributor</a></th> <th style="-moz-user-select: none;" class="sortable fd-column-3"><a class="fdTableSortTrigger" href="#">Modified</a></th> </tr> </thead><tbody> END; echo $output; When I run it reports : Parse error: parse error on line 2 But I don't see anything abnormal.

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  • Comment out a python code block

    - by gbarry
    Is there any mechanism to comment out large blocks of Python code? Right now the only ways I can see of commenting out code are to either start every line with a #, or to enclose the code in """ (triple quotes), except that actually makes it show up in various doc tools. Edit--After reading the answers (and referring to the "duplicate"), I have concluded the correct answer is "No". One person said so, and the rest lectured us about editors. Not a bad thing, but I feel it's important to put the answer at the top.

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  • rails multiple outer joins syntax

    - by Craig McGuff
    I have the following models user has_many :leave_balances leave_balance belongs_to :user belongs_to :leave_type leave_type has_many :leave_balances I want to output a table format showing user names and their balance by leave type. Not every user can have every balance i.e. outer joins required. I'd like to see something like this: Employee Annual Leave Sick Leave Bob 10 Fred 9 Sara 12 15 I am unsure how to get this out as a single statement? I am thinking something like User.joins(:leave_balances).joins(:leave_type)

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  • How to roll back changes in gridview in case of incorrect input

    - by Mustafa A. Jabbar
    Hi, I have a DataGridView that is bound to a list of object. It has some columns that the user can edit. There are certain inputs that are not allowed for a row as a whole. How can I roll back if the user enters invalid inputs in some cell. I tried using the RowValidating event handler but it was not called after cell value has been changed. Even when I implemet CellValueChanged, I still cannot roll back the changes. Any idea how to accomplish this

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  • C# string syntax error

    - by Mesa
    I'm reading in data from a file and trying to write only the word immediately before 'back' in red text. For some reason it is displaying the word and then the word again backwords. Please help. Thank you. private void Form1_Load(object sender, EventArgs e) { Regex r = new Regex(" "); StreamReader sr = new StreamReader("KeyLogger.txt"); string[] tokens = r.Split(sr.ReadToEnd()); int index = 0; for(int i = 0; i <= tokens.Length; i++) { if (tokens[i].Equals("back")) { //richTextBox1.Text+="TRUE"; richTextBox1.SelectionColor = Color.Red; string myText; if (tokens[i - 1].Equals("back")) myText = ""; else myText = tokens[i - 1]; richTextBox1.SelectedText = myText; richTextBox1.Text += myText; } else { //richTextBox1.Text += "NOOOO"; } //index++; //richTextBox1.Text += index; } }

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  • distributing R package with optional S4 syntax sugar

    - by mariotomo
    I've written a small package for logging, I'm distributing it through r-forge, recently I received some very interesting feedback on how to make it easier to use, but this functionality is based on stuff (setRefClass) that was added to R in 2.12. I'd like to keep distributing the package also for R-2.9, so I'm looking for a way to include or exclude the S4 syntactical sugar automatically, and include it when the library is loaded on a R = 2.12 system. one other option I see, that is to write a small S4 package that needs 2.12, imports the simpler logging package and exports the syntactically sugared interface... I don't like it too much, as I'd need to choose a different name for the S4 package.

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  • syntax for binding multiple variables within text

    - by danke
    When binding multiple variables value1 value2 value3 in the same text field, do I do this: text="{some text value1 other text value2 and other text value3}" or text="some text {value1} other text {value2} and other text {value3}" I noticed both work, but which is the right way to do it and will work all the time.

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