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  • Difference between static const char* and const char*.

    - by Will MacDonagh
    Could someone please explain the difference in how the 2 snippets of code are handled below? They definitely compile to different assembly code, but I'm trying to understand how the code might act differently. I understand that string literals are thrown into read only memory and are effectively static, but how does that differ from the explicit static below? struct Obj1 { void Foo() { const char* str( "hello" ); } }; and struct Obj2 { void Bar() { static const char* str( "hello" ); } };

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  • How can you set a time limit for a PowerShell script to run for?

    - by calrain
    I want to set a time limit on a PowerShell (v2) script so it forcibly exits after that time limit has expired. I see in PHP they have commands like set_time_limit and max_execution_time where you can limit how long the script and even a function can execute for. With my script, a do/while loop that is looking at the time isn't appropriate as I am calling an external code library that can just hang for a long time. I want to limit a block of code and only allow it to run for x seconds, after which I will terminate that code block and return a response to the user that the script timed out. I have looked at background jobs but they operate in a different thread so won't have kill rights over the parent thread. Has anyone dealt with this or have a solution? Thanks!

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  • C# String Resource Values as Enum String Part values?

    - by JL
    Using VS2010 and .net V4.0 I would like to achieve the following: I already have 2 resource files in my project for 2 languages - English and Czech. I must say Resource Management in .net is excellent, I am suprised even to get code completion when implementing a String for example: string desc = Strings.ResourceManagerDesc This gets the string associated with the current culture of the thread. Now I am trying to create an Enum that can have the String portion of the Enum interpreted from the Strings resources. In the following way (This code DOES NOT WORK): public enum DownloadStatus { 1 = Strings.DownloadState_Complete, 2 = Strings.DownloadState_Failed, 3 = Strings.DownloadState_InProgress } This is a made up example, but you can see the point here. Since the above code won't work, is there a best practice way to achieve what I want?

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  • IE is not loading all images

    - by newbie
    I have jQuery code that loads images with jQuery load method. It works perfectly in all other browsers, except in IE. I have about 10 images, but IE only loads few of those images and then stops loading. What could be causing this? $(".image-container").each(function() { ... some code here ... var img = $("img", this); $(img).load(function () { ... some code here ... }); });

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  • strange results with /fp:fast

    - by martinus
    We have some code that looks like this: inline int calc_something(double x) { if (x > 0.0) { // do something return 1; } else { // do something else return 0; } } Unfortunately, when using the flag /fp:fast, we get calc_something(0)==1 so we are clearly taking the wrong code path. This only happens when we use the method at multiple points in our code with different parameters, so I think there is some fishy optimization going on here from the compiler (Microsoft Visual Studio 2008, SP1). Also, the above problem goes away when we change the interface to inline int calc_something(const double& x) { But I have no idea why this fixes the strange behaviour. Can anyone explane this behaviour? If I cannot understand what's going on we will have to remove the /fp:fastswitch, but this would make our application quite a bit slower.

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  • Why wouldn't I be able to establish a trust relationship for a SSL/TLS channel?

    - by Abe Miessler
    I have a piece of .NET code that is erroring out when it makes a call to HTTPWebRequest.GetRequestStream. Here is the error message: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. I've read a few things that suggest that I might need a certificate on the machine running the code, but i'm not sure if that's true or how to do it. If I need to get a certificate, how do I do it? Code: var request = (HttpWebRequest)HttpWebRequest.Create(requestUrl); //my url request.Method = StringUtilities.ConvertToString(httpMethod); // Set the http method GET, POST, etc. if (postData != null) { request.ContentLength = postData.Length; request.ContentType = contentType; using (var dataStream = request.GetRequestStream()) { dataStream.Write(postData, 0, postData.Length); } }

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  • Maintaining a common set of Eclipse preferences

    - by Robert Munteanu
    Whenever I switch workspaces/Eclipse installs I need to copy/redo the preferences: compiler settings; font sizes/families; code formatter; java code templates; editor templates; code clean-ups; I would like to maintain these settings in an unitary way, preferrably under source control. How can I do that? I know about 'copy settings' when creating a new workspace, but it does not keep updated copies.

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  • Getting closure-compiler and Node.js to play nice

    - by bukzor
    Are there any projects that used node.js and closure-compiler (CC for short) together? The official CC recommendation is to compile all code for an application together, but when I compile some simple node.js code which contains a require("./MyLib.js"), that line is put directly into the output, but it doesn't make any sense in that context. I see a few options: Code the entire application as a single file. This solves the problem by avoiding it, but is bad for maintenance. Assume that all files will be concatenated before execution. Again this avoids the problem, but makes it harder to implement a un-compiled debug mode. I'd like to get CC to "understand" the node.js require() function, but that probably can't be done without editing the compiler itself, can it?

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  • Custom Django tag & jQuery

    - by pocoa
    I'm new to Django. Today I created some Django custom tags which is not that hard. But now I wonder what is the best way to include some jQuery or some Javascript code packed into my custom tag definition. What is the regular way to include a custom library into my code? For example: {% faceboxify item %} So assume that it'll create a specific HTML output for Facebox plugin. I just want to learn some elegant way to import this plugin into my code. I want the above definition to be enough for all functionality. Is there any way to do it? I couldn't find any example. Maybe I'm missing something.. Thank you.

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  • Does a static object within a function introduce a potential race condition?

    - by Jeremy Friesner
    I'm curious about the following code: class MyClass { public: MyClass() : _myArray(new int[1024]) {} ~MyClass() {delete [] _myArray;} private: int * _myArray; }; // This function may be called by different threads in an unsynchronized manner void MyFunction() { static const MyClass _myClassObject; [...] } Is there a possible race condition in the above code? Specifically, is the compiler likely to generate code equivalent to the following, "behind the scenes"? void MyFunction() { static bool _myClassObjectInitialized = false; if (_myClassObjectInitialized == false) { _myClassObjectInitialized = true; _myClassObject.MyClass(); // call constructor to set up object } [...] } ... in which case, if two threads were to call MyFunction() nearly-simultaneously, then _myArray might get allocated twice, causing a memory leak? Or is this handled correctly somehow?

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  • European signs in img src problem

    - by Rakoon
    Hey. I recently encountered a strange problem on my website. Images with æ ø and å in them (Western European signs) Won't display. The character encoding on all sites is "Iso-8859-1" I can print æ ø and å on the page without problems. If I right click the "broken image" and choose properties, it displays the filename with the european signs. (/admin/content/galleri/å.jpg) the code for img looks like this <img name='bilde' src='content/{$_SESSION["linkname"]}/{$row["img"]}' class='topmargin_ss leftmargin_ms rightmargin_s' width='80' height='80'> (Wasn't allowed to post images so the code is without starting and ending brackets) Made 4 files: z.jpg æ.jpg ø.jpg å.jpg Only z.jpg shows up, they are the exact same jpg. The images are uploaded using php code, which works, uploads to the right directory and has no problem with the european signs. Does anybody know what could be causing this?

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  • How to compare if string has a enter key in the end using jquery/javascript?

    - by user144842
    I have a string value from a user input box. I have to figure out if last char is a enter key (line feed). Thats the code. Here I am checking if last char has a whitespace. Now I also have to check if last char is enter key (carriage return or line feed). How can i do this? var txt = $get("<%= txtUserText.ClientID %>"); if (txt.value.substring(txt.value.length -1) !== ' ' || <checkifLastCharIsEnterKey>) //my code to take action **I don't think i need a keypress or keyup event because this above piece of code is not invoked at the time of user input.

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  • Sending mail using CDO JavaScript error - Server is undefined

    - by Rotem
    Hi, I got this code to send email using SMTP server, I tried many configuration of it that I found online, also VBscript similar code, and non of it is working. I want to focus on this code, when I'm opening the HTA I'm getting error in line 8, says 'Server is undefined', What should I do to define it? var cdoConfig = Server.CreateObject("CDO.Configuration"); cdoConfig.Fields("cdoSMTPServerName") = "194.90.9.22"; var cdoMessage = Server.CreateObject("CDO.Message"); cdoMessage.Configuration = cdoConfig; var cdoBodyPart = cdoMessage.BodyPart; cdoMessage.To = "[email protected]"; cdoMessage.From = "[email protected]"; cdoMessage.Subject = "CDO Test in JScript"; cdoMessage.TextBody = "This is a test email sent using JScript."; cdoMessage.send(); Thanks, Rotem

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  • Can I turn off implicit Python unicode conversions to find my mixed-strings bugs?

    - by Tal Weiss
    When profiling our code I was surprised to find millions of calls to C:\Python26\lib\encodings\utf_8.py:15(decode) I started debugging and found that across our code base there are many small bugs, usually comparing a string to a unicode or adding a sting and a unicode. Python graciously decodes the strings and performs the following operations in unicode. How kind. But expensive! I am fluent in unicode, having read Joel Spolsky and Dive Into Python... I try to keep our code internals in unicode only. My question - can I turn off this pythonic nice-guy behavior? At least until I find all these bugs and fix them (usually by adding a u'u')? Some of them are extremely hard to find (a variable that is sometimes a string...). Python 2.6.5 (and I can't switch to 3.x).

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  • How to use traceit to report function input variables in stack trace

    - by reckoner
    Hi, I've been using the following code to trace the execution of my programs: import sys import linecache import random def traceit(frame, event, arg): if event == "line": lineno = frame.f_lineno filename = frame.f_globals["__file__"] if filename == "<stdin>": filename = "traceit.py" if (filename.endswith(".pyc") or filename.endswith(".pyo")): filename = filename[:-1] name = frame.f_globals["__name__"] line = linecache.getline(filename, lineno) print "%s:%s:%s: %s" % (name, lineno,frame.f_code.co_name , line.rstrip()) return traceit def main(): print "In main" for i in range(5): print i, random.randrange(0, 10) print "Done." sys.settrace(traceit) main() Using this code, or something like it, is it possible to report the values of certain function arguments? In other words, the above code tells me "which" functions were called and I would like to know "what" the corresponding values of the input variables for those function calls. Thanks in advance.

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  • Need help in setting application name with JPA (EclipseLink)

    - by enrique
    hello everybody i am using JPA with EclipseLink and oracle as DB and i need to set the property v$session of jdbc4 it allows to set an identification name to the application for auditing purposes but i had no lucky setting it up....i have been trying through entitiyManager following the example in this page: http://wiki.eclipse.org/Configuring_a_EclipseLink_JPA_Application_(ELUG) it does not show any error but does not set the application name at all... when i see the audit in oracle it is not being audited with the name i set by code "Customers" but with OS_program_name=JDBC Thin Client it means that the property in the code is not being set properly and i have no idea where the issue is, the code i am using is the following : emProperties.put("v$session.program","Customers"); factory=Persistence.createEntityManagerFactory("clients",emProperties); em=factory.createEntityManager(emProperties); em.merge(clients); does anybody know how to do it or any idea.... thanks.-

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  • Ruby on Rails: How do you do HTTP auth over multiple controllers?

    - by DerNalia
    So, Here are the relevant routes map.namespace "admin" do |admin| admin.root :controller => :site_prefs, :action => :index admin.resources :site_prefs admin.resources :link_pages admin.resources :menu_bars admin.resources :services admin.resources :users end And I have this for one controller: before_filter :authenticate protected def authenticate authenticate_or_request_with_http_basic do |username, password| username == "1234" && password == "1234" end end How do I set up my admin controllers to authenticate no matter what page within any of those controllers is navigated to, yet only have it authenticate once among all the admin controllers, and have the code all in one spot. Right now, the only I can think of to authenticate is to copy the auth code into each controller, and I hate having duplicate code... so.... yeah

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  • Dropdownmenu SELECTED value as per value return fromDB

    - by Faizan Qadri
    All i am trying to do is to set the selected value of drop down menu according to the particular value returned from the database like if person saved his gender as 'Male' and he wants to update his profile then the selected option shown on the Gender's dropdown llist should be shown as Male cause if this doesn't happen 'Poor guy becomes a female due to this small problem in my code' KINDLY HELP!!!!!!! MY Current Code: <select name="Gender" id="Gender"> <option selected="selected"><?php echo $row_Recordset1['Gender']; ?></option> <option value="Male">Male</option> <option value="Female">Female</option> </select> The above code work fine but causes repitition of values in dropdown like Male Male Female

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  • how to apply filters in jsf

    - by johnbritto
    Hi I have filter code Page not Found error while any client request for Jsf Page in my Jsf application.I dont Know How to Fix this issue This is My Filter Code: HttpServletRequest req =(HttpServletRequest)request; HttpServletResponse res =(HttpServletResponse)response; HttpSession ses = req.getSession(true); String pageRequested =req.getRequestURL().toString(); if (ses.getAttribute("userDetails")!=null) { fc.doFilter(request,response); }else{ RequestDispatcher dis = request.getRequestDispatcher(LOGIN_PAGE); dis.forward(request,response); } This code inside the DoFilter Method I done all The settings in Web.xml deployment Descriptor

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  • Display different xsl:attribute depending on the ending of a string

    - by Johann
    Dear All, I have the following xsl code in an xsl document <A target="_blank" style="text-decoration=none"> <xsl:attribute name="href">viewdoc.aspx?doc=<xsl:value-of select="URLFilePath"/>&amp;mode=inline</xsl:attribute> <xsl:attribute name="prefix"><xsl:value-of select="FileName"/>: </xsl:attribute> <IMG src="images/word_small.gif" border="0"/> </A> and in the code-behind I am doing this newItemNode = xmlDocument.CreateElement("URLFilePath") newItemNode.InnerText = correctedPath xmlItemNode.ParentNode.AppendChild(newItemNode) Now that works fine for word documents. However I need a way in code to check the extension of the file, and display the correct Image and xsl:attribute depending on the If statement. So the If statement will be like this:- If correctedPath.ToLower.Contains(".doc") Then //display the word icon and attributes Else //display the excel icon and attributes End If Can you please give me some tips and help on how I can achieve this? Thanks

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  • Windows Shell Programming book suggestion

    - by Lijo
    Hi, I am a web developer using C#. I would like to experiment with Windows shell programming in C#. Many people suggests that using managed applications for shell program, is dangerous. (Creation of separate instances for each process versus in process shell. Also version dependency) Frankly speaking, I am totally new to shell. Is there a book available, that will treat these topics; both through managed code and unmanaged code (but mostly towards managed code)? It would be great if that book is concise , for beginner and giving theoretical background of the shell. Please suggest…. Thanks Lijo

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  • How to get current directory in C# for any Windows version?

    - by DarthRoman
    I am creating an application that can be executed in any windows version, even in mobile's, and I am trying to get the current directory of the executable. The problem is that if I use the following code, it doesn't compile in Windows Mobile: string currentDirectory = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath); And if I use this code, I receive something like: file:\C:\xxx string currentDirectory = System.IO.Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath); Although, I need to get the root drive, and this code doesn't compile in Windows Mobile: String rootPath = Path.GetPathRoot(Environment.SystemDirectory); Does anyone know how to get the current directory of the application and the root path for any windows version, even mobile's?

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  • How to get Field Labels from PIMItem - Blackberry

    - by Taha
    How can we get Field Labels from PIMItem. The following code is with PIMList String label = pimList.getAttributeLabel(blackBerryContact.getAttributes(Contact.TEL, i)); But i have PIMItem. There is a method PIMItem.getPIMList() which returns null for me in the code below. THE API at http://www.blackberry.com/developers/docs/5.0.0api/index.html says "getPIMList() Gets the PIMList associated with this item." Below is sample code that i am trying to achive - // Load the address Book and allow the user to select a contact BlackBerryContactList contactList = (BlackBerryContactList) PIM.getInstance().openPIMList(PIM.CONTACT_LIST,PIM.READ_ONLY); PIMItem userSelectedContact = contactList.choose(); // Now get the Field labels for contact numbers for userSelectedContact

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  • Is it possible to link directories in git?

    - by Andreas Selenwall
    I will start with a simplified example describing my intent. I have a repository my-rep.git containing two directories, src and deploy. In src I have my source code (NodeJS code, but that doesn't matter), and in deploy I want to keep my deploy configuration. So for example if I have a project, projectA, then the structure should look like this, my-rep.git/src/projectA my-rep.git/deploy/projectA/dotcloud.yml my-rep.git/deploy/projectA/src Now to my question. I want the source code in projectA to be available in the deploy directory for dotcloud. Is there any way I can make my-rep.git/deploy/projectA/src point to my-rep.git/src/projectA, that is, so when I do a git pull in deploy it will automatically pull the my-rep.git/deploy/projectA/src. It must be supported in git, symbolic linux links won't work as some developers in my team work in Windows.

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  • problem with connection of facebook in my app for iPhone

    - by Arun Sharma
    hello I have complete code of facebook connection. But When i dragged the complete code into my application then 112 errors will occurs. wherever i have use use that code "FBConnect/FBConnectGlobal.h"Then error will arises "FBConnect/FBConnectionGlobal.h" No such file or directory. Even i have given all the path in project setting/project active setting. So please tell me some solution how to rectify some solution. and also tell me exact place where i have set the path and what to give in that path Thanks

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