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  • Boost any usage

    - by Ockonal
    Hello, how can I insert my own class objects into ptr_map from boost. The objects are templated so I can't use some static typename in the map. So I did: ptr_map<string, any> someMap; My class inherits the boost::noncopyable. someMap.insert("Test", new MyClass()); The error is: error: no matching function for call to ‘boost::ptr_map.

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  • Ria Services - Delay load images (or any heavy binary data)

    - by vidalsasoon
    I have an RIA Service that returns image data (Byte[]) and caption of image (String) from SQL Server. The data part can sometimes be a few MB's so it can take quite a while to load. I would like to load the bytes independently of the caption (which loads very fast). Is there a way to do this without having to create a second image context?

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  • How to refer to a text in an Ms Access table?

    - by manuel
    I want to refer to a data cell, which if it is equals to some string, it will do something. The codes: If ds.Tables(0).Rows(i)("Status") = "Reserved" Then MessageBox.Show("Can't reserve") End If Is this the correct way to do this? Because I failed doing so..

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  • Read a file from line X to line Y ?

    - by thedp
    Hello, Is there a way to read a file in PHP5 from line X to line Y into a string, without reading the entire file. I would like to return huge files (10,000+ lines) using ajax requests. Each request will provide the client with additional lines. And due to the fact that the file can reach large sizes, I would like to avoid reading it whole over and over again. Thank you.

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  • Why does my simple hello world console app use so much memory?

    - by CodingThunder
    Looking in Process Explorer it uses; Virtual Size: 550,000k , Working Set: 28000k Why does my simple hello world console app use so much memory? I take it the difference between the Working Set and Virtual Size means that difference will be paged to disk? /I am running 64 bit XP. Thanks class Program { static void Main(string[] args) { Console.WriteLine("Hello world"); Console.ReadLine(); } }

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  • Access check on folder in java

    - by Bhaskar
    I'm using the following code to check the access on selected folder. but it's not working. private boolean writeAccess(String path){ try { AccessController.checkPermission(new FilePermission(path, "read,write"));/*,*/ // Has permission return true; } catch (SecurityException e) { // Does not have permission return false; } } wt is prblm in it. and is there any other options to check the existance and access on the folders/directories?

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  • Grep for 2 words after pattern found

    - by Dileep Ch
    The scenario is i have a file and contains a string "the date and time is 2012-12-07 17:11:50" I had searched and found a command grep 'the date and time is' 2012-12-07.txt | cut -d\ -f5 it just displays the 5th word and i need the combination of 5th and 6th, so i tried grep 'the date and time is' 2012-12-07.txt | cut -d\ -f5 -f6 But its error. Now, how to grep the 5th and 6th word with one command I just need the output like 2012-12-07 17:11:50

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  • Application not showing up in Google Play for 4.x devices

    - by Zargle
    I recently posted about the Play store not letting me publish my app without a minSdkVersion, but whenever I set it to anything above "1" my app just doesn't work (minSdkVersion breaking program). So this guy suggested to just set my minSdkVersion to 1, which worked. But now when I submitted my app even though the developer site says: API level: 1-16+ Supported screens: normal-xlarge OpenGL textures: all But the app only shows it supports Android under 4.x, I developed it on my 4.0.4 device. I tried searching around and I found that some people have problems with services messing up the phones it supports, so I deleted all of my services, because I don't really need any for this version of the app to submit. And it still didn't work. So I don't know what else to do, here is my AndroidManifest.xml if it helps... I've been trying to figure out why my application isn't working for a week now, still nothing. I have tried setting a targetSdkVersion to something like 14, my application still breaks. I cleaned out my code, taking everything out of the already short, 200 lines, application, and it still isn't working. Is there something I can't use in an android application 4.0 that I am using in my application? or is it just my AndroidManifest? Thank you so much! <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.unparalleledsoftware.app.list" android:versionCode="5" android:versionName="2.02" > <uses-sdk android:minSdkVersion="1" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name=".MainActivity" android:label="@string/title_activity_main" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> I should note,I am using the Theme.Holo.Light, but even if I change it to DeviceDefault it doesn't work. Edit: I googled the app on my friends Samsung Galaxy S3 (it didn't show up in the Play Store on his phone), when I installed by googling the app and hitting the "install" button on google and it opened in the Google Play store and was able to install. When I did the same on my phone, Galaxy Note, it opened in the Google Play Store, but then said "Not compatible." Why? They are both on the same version of OS. Why is mine not compatible, nor the One X compatible, but the Samsung Galaxy S3 worked...? Edit: I get these errors/problems when compiling with a targetSdkVersion, http://pastebin.com/mxgWNLdM

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  • Importing data from a JSON file into R

    - by user313967
    Is there a way to import data from a JSON file into R? More specifically, the file is an array of JSON objects with string fields, objects, and arrays. The RJSON Package isn't very clear on how to deal with this http://cran.r-project.org/web/packages/rjson/rjson.pdf.

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  • C++ strcpy(Struct.Property, "VALUE") Use in C#?

    - by gtas
    Hi all, i created a Wrapper for a C++ dll. While reading the documentation i reached to a point using this function strcpy(StructName.strPropGetter, "A STRING"); I'm not kinda C++ guy, i can't figure how to transfer this code in C#. My wrapper gave me this property without a setter. Any light would be nice. Thank you

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  • Help with XML SerializableDictionary in C#

    - by psilos
    Hi I am using the class public class SerializableDictionary : Dictionary, IXmlSerializable in order to serialize a dictionary. However it doesnt work when as values I have collelctions (eg List) or tyes other than the primitive types (eg. int, double, string....). My question is which types the TKey, TValue imply or can hold, and if there is way to have a serializable dictionary which collections as values.

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  • Use different locale for the Format function?

    - by DR
    In a VB6 application I have to build a file which contains a decimal number which must always be written in US format: 1,499.99 But the Format function takes the system settings into account and on a German system this result would be produced: (Using the format string #,##0.00) 1.499,99 Can I force the Format function to use different settings?

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  • Class Name in Windows Forms

    - by oliverikawood
    Hi, I wonder about dynamically changing of class name in .NET application. For example WindowsForms10.SysTreeView32.app.0.19fd5c7. The last string "19fd5c7" would change, but I don't know what makes it changing. Is it the version, the GUI modification, environment, OS or what? Thanks.

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  • LinkedList.contains execution speed

    - by Le_Coeur
    Why Methode LinkedList.contains() runs quickly than such implementation: for (String s : list) if (s.equals(element)) return true; return false; I don't see great difference between this to implementations(i consider that search objects aren't nulls), same iterator and equals operation

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  • Converting text to bits (1's and 0's)

    - by Morano88
    I'm implementing an MD-5 Hashing algorithm and I want to convert the text I have to bits so I can start manipulating them. As you know Hashing require taking block of bits and then manipulating them. There are many ways to do that but I can't determine the best/easiest way to just convert the text (string) into array of bits. Any clue ? In C#

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