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• What do people find difficult about C pointers?

  - by Paul

  From the number of questions posted here, it's clear that people have some pretty fundemental issues when getting their heads around pointers and pointer arithmetic. I'm curious to know why. They've never really caused me major problems (although I first learned about them back in the Neolithic). In order to write better answers to these questions, I'd like to know what people find difficult. So, if you're struggling with pointers, or you recently were but suddenly "got it", what were the aspects of pointers that caused you problems?

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• Php framework for fast developing

  - by nucleartux

  Please advise a php framework for fast developing and for don't digress to write often using code(auth, db/orm,etc..). Requrements: Active community Easy to use simple many to many and many to one relations auth. mechanism RoR like Please sorry for english.

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• How to access Facebook Notes via API using Python?

  - by user346816

  I want to write a command line script using Python to access a user's Facebook Notes. PyFacebook wrapper library doesn't have support for Facebook notes. Is there any other way I can do this in python? I don't want to learn PHP.

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• Shortcut keys for menu items? (WinAPI)

  - by user146780

  How can I add shortcut keys to my menu items. I notice that many applications have: New ctrl+N Open ctrl+O Do I write the endings (like ctrl+N) myself and handle WM_KEYDOWN or is there a magical way to do it with resources? Thanks

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• Is a string formatter that pulls variables from its calling scope bad practice?

  - by Eric

  I have some code that does an awful lot of string formatting, Often, I end up with code along the lines of: "...".format(x=x, y=y, z=z, foo=foo, ...) Where I'm trying to interpolate a large number of variables into a large string. Is there a good reason not to write a function like this that uses the inspect module to find variables to interpolate? import inspect def interpolate(s): return s.format(**inspect.currentframe().f_back.f_locals) def generateTheString(x): y = foo(x) z = x + y # more calculations go here return interpolate("{x}, {y}, {z}")

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• Java: "implements Runnable" vs. "extends Thread"

  - by goosefraba19

  From what time I've spent with threads in Java, I've found these two ways to write threads. public class ThreadA implements Runnable { public void run() { //Code } } //with a "new Thread(threadA).start()" call public class ThreadB extends Thread { public ThreadB() { super("ThreadB"); } public void run() { //Code } } //with a "threadB.start()" call Is there any significant difference in these two blocks of code?

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• Split a string by spaces -- preserving quoted substrings -- in Python

  - by Adam Pierce

  I have a string which is like this: this is "a test" I'm trying to write something in Python to split it up by space while ignoring spaces within quotes. The result I'm looking for is: ['this','is','a test'] PS. I know you are going to ask "what happens if there are quotes within the quotes, well, in my application, that will never happen.

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• How to blit() in android?

  - by Lo'oris

  I'm used to handle graphics with old-school libraries (allegro, GD, pygame), where if I want to copy a part of a bitmap into another... I just use blit. I'm trying to figure out how to do that in android, and I got very confused. So... we have these Canvas that are write-only, and Bitmaps that are read-only? It seems too stupid to be real, there must be something I'm missing, but I really can't figure it out.

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• Can I update an Android provider.Settings.System value?

  - by Mr_Ed

  I can read settings like this, for example: final String mytest = System.getString(this.getContentResolver(), System.AIRPLANE_MODE_ON); ...but can't seem to write to settings using putString, no matter what I've tried. Maybe it is the scope of this.getContentResolver()??? I'm a newbie, so who knows, maybe it can't be done, or it's just syntax? Currently the code is in the onCreate of an Activity class. Any insight is much appreciated.

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• Implementation of interface when using child class of a parent class in method of interface

  - by dotnetdev

  I don't have access to my dev environment, but when I write the below: interface IExample void Test (HtmlControl ctrl); class Example : IExample { public void Test (HtmlTextArea area) { } I get an error stating the methods in the class implementation don't match the interface - so this is not possible. HtmlTextArea is a child class of HtmlControl, is there no way this is possible? I tried with .NET 3.5, but .NET 4.0 may be different (I am interested in any solution with either framework). Thanks

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• Update table of two different database

  - by chetan

  This is the query to update table in one database that is of other Update test.temp a, test2.temp b Set a.name=b.name Where a.no=b.no; Now I don't want to write every field i.e a.name=b.name Is there any solution?

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• Update existing pdf with C#

  - by Prashant

  I have an existing pdf file which needs to be updated with information which varies with each client. There are around 50 clients. I have to update the pdf with these. How can I acheive the same in C#. The pdf has to be shown in the browser (only IE) Is there a third party dll which could be used, which would parse the pdf. Then write to the pdf.

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• How to output a rotated text in C# form application?

  - by lajoo

  I'm writing a c# form application and i want to draw a scale and write some rotated values under it,is there any way to do this?

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• Django1.1 file based session backend multi-threaded solution

  - by Satoru.Logic

  Hi, all. I read django.contrib.sessions.backend.file today, in the save method of SessionStore there is something as the following that's used to achieve multi-threaded saving integrity: output_file_fd, output_file_name = tempfile.mkstemp(dir=dir, prefix=prefix + '_out_') renamed = False try: try: os.write(output_file_fd, self.encode(session_data)) finally: os.close(output_file_fd) os.rename(output_file_name, session_file_name) renamed = True finally: if not renamed: os.unlink(output_file_name) I don't quite understand how this solve the integrity problem.

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• VC++ Debugger expression

  - by user85917

  In debug | Immediate window, why do i get this error: szTemp is a local variable at {,,Util.dll}MySock.Write("%s",szTemp) CXX0017: Error: symbol "szTemp" not found int SomeFunction( ..) { char* szSQL = new char[1024]; . . ---> Breakpoint.. Trying to run the expression here.. . . }

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• Using ProviderBase for Membership Provider

  - by Stacey

  Is it possible to simply inherit from ProviderBase to write a MembershipProvider, instead of inhering from System.Web.Security.MembershipProvider? There's just so much junk in the default one, we really want something much, much simpler.

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• A good (i.e. easy but also 'cookbook' like) tutorial on using make (linux build tool)

  - by morpheous

  I am from a windows background (VC++), and moved to Linux (Ubuntu) about a year ago. I would like to be able to write simple make files to build the following types of binaries: A shared library An executable that links into third party libraries (static and shared libraries) Create an install section in my makefile (which can then be used my checkinstall)

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• How should i use json plugin for struts 2 if may package extends hibernate-default?

  - by Moni

  I have a package that extends hibernate-default and I would like to use json plugin too, but if I write extends="hibernate-default,json-default" I cannot use hibernate anymore because my session is always null. Why is my session null? If my package extends only hibernate-default session is not null.

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• Problem in sending username and password using jquery

  - by Alvin

  Hi, I want to send the username and password values which user types in html input elements to server to check if the username and password is valid or not when user click login button, using post request in $.ajax(options) method in jquery, but I don't know how to send those username and password to server. What option should I write in $.ajax(options) method to get those values from server?

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• Writing Url's in latex

  - by danzig

  This is a pretty basic question but... How do you write a url in Latex? The subscripts and everything else make the font look very strange when it compiles.

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• connection.setRequestProperty and excplicitly writing to the urloutputstream are they same ?

  - by Bunny Rabbit

  URL url = new URL("http://www.example.com/comment"); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true); connection.setRequestMethod("POST"); Is connection.setRequestProperty(key, value); same as OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream()); writer.write("key=" + value); writer.close(); if not please correct me .

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• Retrieve all hashtags from a tweet in a PHP function

  - by snorpey

  Hi. I want to retrieve all hashtags from a tweet using a PHP function. I know someone asked a similar question here, but there is no hint how exactly to implement this in PHP. Since I'm not very familiar with regular expressions, don't know how to write a function that returns an array of all hashtags in a tweet. So how do I do this, using the following regular expression: #\S*\w

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• how to do this problem?

  - by Sachin Tendulkar

  Write an iterative program that finds the largest number of McNuggets that cannot be bought in exact quantity. Your program should print the answer in the following format (where the correct number is provided in place of n): "Largest number of McNuggets that cannot be bought in exact quantity: n"

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• What RSS/Atom standard to use for feed generation?

  - by fsb

  Reading online about this topic is confusing. Is there a way to cut around the history, politics and technicalities to answer the question: Which standard should I refer to when I write code to generate feeds? I want to use UTF-8 encoding, which may affect the choice. Otherwise I'm most interested in compatibility with a decent range of readers.

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• Zend_Controller_Action_Exception from preDispatch()

  - by Pavel Dubinin

  How to I redirect to 404 page ("page not found") at preDispatch? Normally within action I can simply write: throw new Zend_Controller_Action_Exception('Page is not found!', 404); And it forwards to the appropriate page. How do I make it work for preDispatch?

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