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• RegEx (or other) parsing of script

  - by jpmyob

  RegEx is powerful - it is tru but I have a little - query for you I want to parse out the FUNCTIONS from some old code in JS...however - I am RegEx handicapped (mentally deficient in grasping the subtleties).. the issue that makes me NOT EVEN TRY - is two fold - 1) myVar = function(x){ yadda yadda } AND function myVar(x) { yadda yadda } are found throuout - COLD I write a parser for each? sure - but that seems inefficient... 2) MANY things may reside INSIDE the {} including OTHER sets of {} or other Functions(){} block of text... HELP - does anyone have, or know of some code parsing snippets or examples that will parse out the info I want to collect? Thanks

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• Z-Index problems with IE6 and html <select> element

  - by rsturim

  I have a <div> that opens up on a jquery hover event (display goes from hidden to block). Sometime it's opens up over some form elements. And of course it works fine in all browsers except IE6. <select> boxes bleed through as if there z-index is higher than the <div> tag. I've tried setting the <div> tag with a higher z-index, but it still gets ignored by IE6. I'm hoping to implement any fix -- jquery or css, I really don't care at this point. Any ideas?

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• Unsigneds in order to prevent negative numbers

  - by Bruno Brant

  let's rope I can make this non-sujective Here's the thing: Sometimes, on fixed-typed languages, I restrict input on methods and functions to positive numbers by using the unsigned types, like unsigned int or unsigned double, etc. Most libraries, however, doesn't seem to think that way. Take C# string.Length. It's a integer, even though it can never be negative. Same goes for C/C++: sqrt input is an int or a double. I know there are reasons for this ... for example your argument might be read from a file and (no idea why) you may prefer to send the value directly to the function and check for errors latter (or use a try-catch block). So, I'm assuming that libraries are way better designed than my own code. So what are the reasons against using unsigned numbers to represent positive numbers? It's because of overflow when we cast then back to signed types?

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• How to add a 3rd level to my CSS drop down menu?

  - by Cynthia

  I have a 2-level drop down menu that looks great in all browsers. Now I want to add a 3rd level. How do I do that? Here is my HTML for the menu: <div class="nav"> <div class="navbar"> <ul class="menu"> <li><a href="#">Home</a></li> <li><a href="#">About JoyFactory</a> <ul class="sub-menu"> <li><a href="#">Who We Are</a></li> <li><a href="#">Our Education Concept</a></li> <li><a href="#">References</a></li> </ul> </li> <li><a href="#">JoyFactory Kinderkrippe</a> <ul class="sub-menu"> <li><a href="#">JoyFactory Kinderkrippe Oerlikon</a> <ul> <li><a href="#">item 1</a></li> <li><a href="#">item 2</a></li> <li><a href="#">item 3</a></li> <li><a href="#">item 4</a></li> </ul> </li> <li><a href="#">JoyFactory Kinderkrippe Seebach</a></li> </ul> </li> </ul> </div> </div> and here is my CSS: .nav { clear:both ; width:1020px ; height:55px ; background:url("images/nav-bg.png") no-repeat ; position:absolute ; top:125px ; left:-10px ; } .navbar { width:1000px ; height:50px ; margin:auto ; } ul.menu { margin-left:0 ; padding-left:0 ; list-style-type:none ; } .menu li { display:inline ; float:left ; height:50px ; margin:0 6px ; } .menu li a { font-family:'MyriadPro-SemiboldCond' ; font-size:24px ; color:#ffffff ; text-decoration:none ; height:50px ; line-height:50px ; padding:0px 10px ; } .menu li:hover, .menu li:hover a { background:#ffd322 ; color:#e32a0e ; } .sub-menu { position:absolute ; float:none ; padding:0 ; top:50px ; z-index:9999 ; background:#ffd322 ; margin-left:0 ; padding-left:0 ; } .sub-menu li { display:none ; min-width:175px !important ; margin: 0 !important; padding: 0 !important; } .sub-menu li a, .current-menu-parent .sub-menu li a { display:block ; background:#ffd322 ; font-family:arial,helvetica,sans-serif ; font-size:16px ; padding:0 10px ; border-top:1px solid #f37f10 ; border-left:none ; } .sub-menu li a:hover, .menu li.current-menu-parent .sub-menu li.current-menu-item a { background:#f37f10 } .menu li:hover li { float: none; display:block; clear: both; } Any help would be most appreciated! Many thanks :)

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• Padding to the left and right of a floated image, in IE only.

  - by Roeland

  Generally I seem to be able to fix IE problems nowadays.. but this one realy has me stuck! Take a look at the screenshot below to see the problem or visit the url to see the problem. http://homedynamics.com/sawgrass/floorplan.php I have made sure the ul li and img's are all cleared (padding:0; margin:0; border:0;) and still there is padding added to the left and right of the images. I also did "display: block" on images with no luck. Can anyone point me in the right direction? Thanks!!

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• Tell me how to use ActiveRecord#after_add

  - by Small Wolf

  Hey,Guys! Now I hava a problem,how can I make the callback#after_add receive a reference to the join model in a has_many :through association? my code like this: class Emergency has_many :departments, :through => :eme_references, :after_add => Proc.new { |eme_reference| eme_reference.eme_flag = 1} end the attribute eme_flag is the model EmeReference's attribute! but in the block ,i get the eme_reference.class is Emergency. I want to set the attribute eme_flag of the model EmeReference. That is my question! cheers!

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• Drupal Views limiting content posted by group membership

  - by digital

  Hi, I have various different content types and I want to filter by using views. So say a block only displays content posted in groups that you are a member of. I've created my generic view which so far displays all content of that type, but I'm struggling with linking this to content only posted in groups your a member of. I've looked at the Organic Groups filters but no luck there. I suspect I might need to use some sort of relationship but I'm stuck there. Any help would be greatly appreciated.

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• What's the best way to avoid try...catch...finally... in my unit tests?

  - by Bruce Li

  I'm writing many unit tests in VS 2010 with Microsoft Test. In each test class I have many test methods similar to below: [TestMethod] public void This_is_a_Test() { try { // do some test here // assert } catch (Exception ex) { // test failed, log error message in my log file and make the test fail } finally { // do some cleanup with different parameters } } When each test method looks like this I fell it's kind of ugly. But so far I haven't found a good solution to make my test code more clean, especially the cleanup code in the finally block. Could someone here give me some advices on this? Thanks in advance.

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• Anonymous iterators blocks in Clojure?

  - by Checkers

  I am using clojure.contrib.sql to fetch some records from an SQLite database. (defn read-all-foo [] (let [sql "select * from foo"] (with-connection *db* (with-query-results res [sql] (into [] res))))) Now, I don't really want to realize the whole sequence before returning from the function (i.e. I want to keep it lazy), but if I return res directly or wrap it some kind of lazy wrapper (for example I want to make a certain map transformation on result sequence), SQL bindings will be gone after I return, so realizing the sequence will throw an error. How can I enclose the whole function in a closure and return a kind of anonymous iterator block (like yield in C# or Python)? Or is there another way to return a lazy sequence from this function?

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• Why only the constant expression can be used as case expression in Switch statement?

  - by sinec

  Hi, what is bothering me is that I can't found an info regarding the question from the title. I found that assembly form the Switch-case statement is compiled into bunch of (MS VC 2008 compiler) cmp and je calls: 0041250C mov eax,dword ptr [i] 0041250F mov dword ptr [ebp-100h],eax 00412515 cmp dword ptr [ebp-100h],1 0041251C je wmain+52h (412532h) 0041251E cmp dword ptr [ebp-100h],2 00412525 je wmain+5Bh (41253Bh) 00412527 cmp dword ptr [ebp-100h],3 0041252E je wmain+64h (412544h) 00412530 jmp wmain+6Bh (41254Bh) where for above code will in case that if condition (i) is equal to 2, jump to address 41253Bh and do execution form there (at 41253Bh starts the code for 'case 2:' block) What I don't understand is why in case that,for instance, function is used as 'case expression', why first function couldn't be evaluated and then its result compared with the condition? Am I missing something? Thank you in advance

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• JQuery Optimization: Is there any way to speed up the rendering of the FlexSelect control?

  - by Sephrial

  Greetings, I am new to jQuery, and I have a performance problem with the FlexSelect control where it takes about 5 seconds to render the dropdown control (in the renderDropdown() function). The dropdown list contains about 5000 element. I believe all the runtime is attributed to the following block of code: var list = this.dropdownList.html(""); $.each(this.results, function() { list.append($("<li/>").html(this.name)); }); Question: Are there any alternatives that would build this list of elements in a more inefficient manner?

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• Does ASP.NET Make Request Scheduling Decisions Based Upon SessionID?

  - by Mike Murphy

  I know that a properly implemented SessionStateStoreProvider maintains an exclusive lock on session data for the duration of a request. However, considering that multiple requests could arrive simultaneously (e.g. via IFRAMEs) all but one would be able to make forward progress. All the other requests would block for a bit and reduce the number of worker threads available during that time. It seems if ASP.NET "peeked" at the session IDs on the requests early on, it could avoid running requests simultaneously that were on the same session. This would improve throughput under load for pages that didn't want to give up using IFRAMEs. This seems plausible enough that it might be true.

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• How HID devices work when programming?

  - by user1008476

  I have a barcode scanner works as HID device. Everytime a barcode scans it goes directly to windows keyboard, for example if I open notepad I can see the barcode typed there. As far as I know programmatically is it possible to to read HID data from your HID devices. But what happens if the user is already on a form with a text edit control? The scanned code will go inside the text box. Can you block incoming text and make a background-only processing? Can you explain the theory please?

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• how to get li width + margin using jquery

  - by From.ME.to.YOU

  hello my code is something like this //css li{display:inline-block} //html #li margin and width are dynamic <ul> <li style='margin:30px;width:100px;'>Pic</li> <li style='margin:40px;width:200px;'>Pic</li> <li style='margin:10px;width:500px;'>Pic</li> <li style='margin:50px;width:300px;'>Pic</li> </ul> how to make a jquery function that will take an li index as an input and it will return the width of all li from the beginning to that index + margins ' left + right ' Examples // something like this myFunction(1); //output 440 (( 30 margin-left [0] + 30 margin-right [0] + 40 margin-left [1] + 40 margin-right [1] + 100 width [0] + 200 width [1] )) myFunction(2); //output 960 (( 30 margin-left [0] + 30 margin-right [0] + 40 margin-left [1] + 40 margin-right [1] + 10 margin-left [2] + 10 margin-right [2] + 100 width [0] + 200 width [1] + 500 width [2] ))

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• Tell me how to use ActiveRecord#afeter_add

  - by Small Wolf

  Hey,Guys! Now I hava a problem,how can I make the callback#after_add receive a reference to the join model in a has_many :through association? my code like this: class Emergency has_many :departments, :through => :eme_references, :source => :email, :after_add => Proc.new { |eme_reference| eme_reference.eme_flag = 1} end the attribute eme_flag is the model EmeReference's attribute! but in the block ,i get the eme_reference.class is Emergency. I want to set the attribute eme_flag of the model EmeReference. That is my question! cheers!

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• Django i18n: makemessages only on site level possible?

  - by AndiDog

  I have several strings in my site that don't belong to any app, for example {% block title %}{% trans "Login" %}{% endblock %} or a modified authentication form used to set the locale cookie class AuthenticationFormWithLocaleOption(AuthenticationForm): locale = forms.ChoiceField(choices = settings.LANGUAGES, required = False, initial = preselectedLocale, label = _("Locale/language")) Now when I execute django-admin.py makemessages --all -e .html,.template in the site directory, it extracts the strings from all Python, .html and .template files, including those in my apps. That is because I develop my apps inside that directory: Directory structure: sitename myapp1 myapp2 Is there any way to extract all strings that are not in my apps? The only solution I found is to move the app directories outside the site directory structure, but I'm using bzr-externals (similar to git submodules or svn externals) so that doesn't make sense in my case. Moving stuff that needs translation into a new app is also possible but I don't know if that is the only reasonable solution.

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• Vim, how to scroll to bottom of a named buffer

  - by Gavin Black

  I have a vim-script which splits output to a new window, using the following command: below split +view foo I've been trying to find a way from an arbitrary buffer to scroll to the bottom of foo, or a setting to keep it defaulted to showing the bottom lines of the buffer. I'm doing most of this inside of a python block of vim script. So I have something like: python << endpython import vim import time import thread import sys def myfunction(string,sleeptime,*args): outpWindow = vim.current.window while 1: outpWindow.buffer.append("BAR") #vim.command("SCROLL TO BOTTOM OF foo") time.sleep(sleeptime) #sleep for a specified amount of time. vim.command('below split +view foo') thread.start_new_thread(myfunction,("Thread No:1",2)) endpython And need to find something to put in for vim.command("SCROLL TO BOTTOM of foo") line

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• Magento: custom module layout override not working

  - by Socrates

  I have a small custom module which is supposed to show on all product pages, but it doesn't. It only shows when setting its reference to "content", but I want it to display witin the already existing product view divs, thus, display it within the "product.info" reference. Here's my code: app/design/frontend/default/company/layout/company/socialbuttons.xml <?xml version="1.0"?> <layout> <catalog_product_view> <reference name="product.info"> <block type="core/template" name="company_socialbuttons" template="company/socialbuttons.phtml" /> </reference> </catalog_product_view> </layout> I've spent hours finding the error, without success and if I can't find a solution soon I will do it the ugly way (calling the phtml inside the parent phtml). What am I doing wrong?

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• What to do with missing fields in sunspot-rails?

  - by chrismealy

  I'm using sunspot/rails version 2. It's working great, but I can't figure out how to handle missing fields. If I don't have latitude and longitude this code will map it to 0,0 (near Africa): searchable do text :resume, :stored => true text :city, :boost => 5 latlon(:geo) { Sunspot::Util::Coordinates.new(latitude, longitude) } end I tried using two search blocks, each with a different conditional, but sunspot just uses the first searchable block. What I want to happen is for things missing locations to still be searchable, just not by location.

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• How do I resolve this scope issue in VB .NET?

  - by froadie

  I have a code structure something like this: For row = 1 To numRows Dim arrayIndex As Integer = 0 For column As Integer = bucketStartColumn To bucketEndColumn ' whatever code arrayIndex = arrayIndex + 1 Next Next Dim arrayIndex As Integer = 0 For column As Integer = bucketStartColumn To bucketEndColumn ' whatever code arrayIndex = arrayIndex + 1 Next Not exactly the code, so I don't really need suggestions about refactoring, but my problem is this - with this code I get a compiler error for the first Dim arrayIndex As Integer = 0 - "Variable 'arrayIndex' hides a variable in an enclosing block." As far as I can tell, arrayIndex is local to the first for loop and shouldn't exist by the time we reach the second loop. If I try to change the second declaration of arrayIndex to arrayIndex = 0, I get the error "Name 'arrayIndex' is not declared", as I expected. So is it visible, or not? Does this have something to do with the Dim keyword? Any suggestions of how to get around this, other than naming the second index variable something else?

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• How to prevent swallowing exceptions caused by unset expectations for a mocked object?

  - by Schultz9999

  I am looking for a way to modify catch block depending on if it's executed during the unit test run or not. The purpose is basically to detect/setup mock expectations which are swallowed because catch doesn't rethrow. I am using MSTest. One obvious thing is using preprocessor but I don't think it works. Especially if to use DEBUG define. There should be an easy way to detect that, shouldn't it? I must have been looking for something wrong because I couldn't find much info on that. try {...} catch(Exception) { Log(...); #if DEBUG throw; #endif }

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• How do I combine similar method calls into a delegate pattern?

  - by Daniel T.

  I have three methods: public void Save<T>(T entity) { using (new Transaction()) { Session.Save(entity); } } public void Create<T>(T entity) { using (new Transaction()) { Session.Create(entity); } } public void Delete<T>(T entity) { using (new Transaction()) { Session.Delete(entity); } } As you can see, the only thing that differs is the method call inside the using block. How can I rewrite this so it's something like this instead: public void Save<T>(T entity) { TransactionWrapper(Session.Save(entity)); } public void Create<T>(T entity) { TransactionWrapper(Session.Create(entity)); } public void Save<T>(T entity) { TransactionWrapper(Session.Save(entity)); } So in other words, I pass a method call as a parameter, and the TransactionWrapper method wraps a transaction around the method call.

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• jQuery - getting the id of the item selected

  - by John Leonard

  I have a basic jQuery selector question. Let's say I'm parsing JSON and generating a row of data for each item in my result set. On each item row, I want an action button. What is the best practice to script that button so its click action can reference the data specific to that row? Starting with the block below, how do I generate a 'Click Me' button that when clicked will alert with its json data? $.getJSON(url,params,function(json){ if(json.items){ $.each(json.items, function(i, n){ var item = json.items[i];

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• JavaScript using toString on a Function object to read text content

  - by mseeley

  Calling toString() on the function below returns different strings across browsers. I understand this is because ECMA-262 15.3.4.2 leaves wiggle room for each vendor. Chrome returns the comments in addition to all syntax. Sadly Firefox 3.6 omits the comments. Based on Firefox's behavior I haven't tested IE, Opera, or Safari. function foo() { /* comment */ var bar = true; } Specifically, I am attempting to embed meta data within a specially formatted comment block within a function. Later the return value of the functions toString() method would be parsed and values returned as an object. I've been unable to locate compatibility tables or alternatives to toString(). Does the community have any ideas? Btw, pre-processing JS files isn't an option. :( Thanks a lot. :)

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• How do I make my browser brute force an input field?

  - by user210904

  Hi, There's a website I frequent that gives codes such as GD??Q-TPY32-TPTT3-9CM9P-F2QMQ and hints that the ?? is a number and a letter. If you're the first to unlock the code you can redeem the modest prize. So the obvious way to solve this problem is to brute-force the code. But obviously I don't want to sit in front of the computer for an hour to manually input all 10 * 26 combinations. Is there a way for me to tell my browser to input these codes (assume that each 5-character block is an individual text field). Or is there a special browser that enables some sort of macro-type feature? Thanks.

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