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• What is the difference between `git fetch origin` and `git remote update origin`?

  - by Norman Ramsey

  In response to a question about pulling one commit at a time from a git repository, I was recommended to use git remote update instead of git fetch. I have read both man pages but cannot say I understood either in its entirety. Can anyone explain to me how git fetch origin and get remote update origin behave differently?

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• How can the AssemblyName class be used for existing Assembly's?

  - by IbrarMumtaz

  This is another exam related question. I want to know how can I use the AssemblyName class to represent an existing assembly that already exists on disk??? I am talking about from the perspective of using the AppDomain's instance method .Load(), that takes an AssemblyName object as a parameter. I know what MSDN has to say about what the .Load() method was designed for but that aside, I still want to know how to use it !!!

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• How can I schedule a Task to execute at a specific time using celery?

  - by Hank Gay

  I've looked into PeriodicTask, but the examples only cover making it recur. I'm looking for something more like cron's ability to say "execute this task every Monday at 1 a.m."

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• Haskell, mongodb, date

  - by r.sendecky

  How would I insert or auto insert date into mongodb from haskell? What is the best way to convert from mongo date type to haskell data type? Say, in a situation where I insert blog post records (any haskell web framework) and I want to date stamp every record automatically. How would I go about it? The question is more about type conversion and mongodb date type creation from within haskell driver.

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• DataContractSerializer: preserve string member that happens to be raw xml?

  - by bwerks

  I'm a little inexperienced with the DataContract paradigm, and I'm running into a deserialization problem. I have a field that's a string, but it contains xml and it's not being deserialized correctly. I have a feeling that it's because the DCS is treating it as input to the serializer and not as an opaque string object. Is there some way to mark a DataMember in code to say "This thing is a string, don't treat its contents as xml" similar to XmlIgnore? Thanks!

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• C# Delegates - How Often Do You Use Them, And When?

  - by Ben Aston

  Delegates look like such a powerful language feature, but I've yet to find an opportunity to use them in anger (apart from in DALs I must say). How often do you use them, and under what circumstances do you find them most useful?

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• Mysql selecting and sorting by the bigger field

  - by tridat

  I have two fields on my table, lets say date_created and date_updated I want to select 20 recently updated/created records so it means i have to choose the top dates from both fields, how do i do that?

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• How can I change the color of xterm titlebar?

  - by tellus55

  Hi, I want to automatically change the color of my xterm titlebar. I would like to put code into my .bashrc so that the color changes automatically (say depending on the directory I am in). I know how to change the prompt and also how to change the text displayed in the titlebar. My question is about the color of the titlebar. Right now the color is orangish. I am using Ubuntu. Thanks

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• How to perform this select?

  - by m.edmondson

  Say I have the simple table below: KeyWordID KeyWord ----------- ---------- 1 Blue 3 Yellow 1 Yellow How would I select the KeyWordID that selects the KeyWordIDs that where both KeyWord is Blue and Yellow. E.g. it should only return 1, as this is the only KeyWordID that has both Keywords Blue and Yellow I initially thought GROUPBY - but its not quite working as expected.

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• Does computer graphics have a practic use besides games/movies/pictures ?

  - by HJ-INCPP

  Hello, I am learning Computer Graphics at the university and I'm trying to figure out the use of it ... and I fail. Only games and movies stick in to my mind, I'm sure there are other uses for, let's say, graphic algorithms, openGL, 2D and 3D, 3ds Max ... Is it useful later on ? Where do I need it ? Thank you

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• How to increase/decrease current margin at a number by jquery?

  - by Relax

  Given an element with unknown margin-left, how to increase its margin-left at a number say 100px? For example, assuming the original margin-left is 100px, the expected result is 100px + 100px thus 200px finally.

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• mysql insert multiple rows, return rows that failed

  - by Glenn

  When I try to insert (lets say) 30 rows in my table. For example INSERT INTO customers(cust_name, cust_address, cust_city, cust_state, cust_zip, cust_country) VALUES( 'Pep E. LaPew', '100 Main Street', 'Los Angeles', 'CA', '90046', 'USA' ), ( 'M. Martian', '42 Galaxy Way', 'New York', 'NY', '11213', 'USA' ), ... ; And cust_name has to be unique. How can I then identify the records that failed to insert because their cust_name already exists? Is it possible to return them?

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• Clickable TextView in Android

  - by Cris

  i'm building an Android App that has many many TextView that i want to be clickable. I've tried to assign to the single TextView the properties android:clickable="true" and android:onClick="clickHandler" and when the app fires the clickHandler(View v) i correctly get, through the v.getId(), the clicked item. What i don't like is to define, for every TextView, the properties android:clickable and android:onClick ... is there something that i can do by code to say: "all the textviews are clickable and click is handled in 'clickHandler' ?" Thanks and greetings c

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• IEnumerable<T> ToArray usage, is it a copy or a pointer?

  - by Daniel

  I am parsing an arbitrary length byte array that is going to be passed around to a few different layers of parsing. Each parser creates a Header and a Packet payload just like any ordinary encapsulation. And my problem lies in how the encapsulation holds its packet byte array payload. Say i have a 100 byte array, and it has 3 levels of encapsulation. 3 packet objects will be created and i want to set the payload of these packets to the corresponding position in the byte array of the packet. For example lets say the payload size is 20 for all levels, then imagine it has a public byte[] Payload on each object. However the problem is that this byte[] Payload is a copy of the original 100 bytes. So i'm going to end up with 160 bytes in memory instead of 100. If it were in c++ i could just easily use a pointer however i'm writing this in c#. So i created the following class: public class PayloadSegment<T> : IEnumerable<T> { public readonly T[] Array; public readonly int Offset; public readonly int Count; public PayloadSegment(T[] array, int offset, int count) { this.Array = array; this.Offset = offset; this.Count = count; } public T this[int index] { get { if (index < 0 || index >= this.Count) throw new IndexOutOfRangeException(); else return Array[Offset + index]; } set { if (index < 0 || index >= this.Count) throw new IndexOutOfRangeException(); else Array[Offset + index] = value; } } public IEnumerator<T> GetEnumerator() { for (int i = Offset; i < Offset + Count; i++) yield return Array[i]; } System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { IEnumerator<T> enumerator = this.GetEnumerator(); while (enumerator.MoveNext()) { yield return enumerator.Current; } } } This way i can simply reference a position inside the original byte array but use positional indexing. However if i do something like: PayloadSegment<byte> something = new PayloadSegment<byte>(someArray, 5, 10); byte[] somethingArray = something.ToArray(); Will the somethingArray be a copy of the bytes, or a reference to the original PayloadSegment which in turn is a reference to the original byte array? Sorry it was hard to word this lol _<

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• Navigation graphics overlayed over video

  - by Hrishikesh Choudhari

  Hey, Imagine I have a video playing.. Can I have some sort of motion graphics being played 'over' that video.. Like say the moving graphics is on an upper layer than the video, which would be the lower layer.. I am comfortable in a C++ and Python, so a solution that uses these two will be highly appreciated.. Thank you in advance, Rishi..

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• Is there away to store info, without a database?

  - by Tanner

  HI, I was wondering is there any way to store data, like say I wanted to make a login form and save the usernames and passwords, without using a database or .txt file? Seems like alot of work to set up stuff like that, for something simple, and I was just wondering if there was another way. :) And if any one has some tutorials on how to use a database Access/Sql/Local Database please post.

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• Lambda Expressions and Memory Management

  - by Surya

  How do the Lambda Expressions / Closures in C++0x complicate the memory management in C++? Why do some people say that closures have no place in languages with manual memory management? Is there claim valid and if yes, what are the reasons behind it?

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• Specifying the range of supported Rails versions in a project

  - by Tomas Sedovic

  The config/environment.rb of my rails project contains this line: RAILS_GEM_VERSION = '>= 2.3.2' unless defined? RAILS_GEM_VERSION Which makes sure that only Rails of version 2.3.2 or greater will be used to run this app. Is there a way of specifying both the lower and the upper boundary at the same time? So that it would run, say, only on versions higher than 2.3.1 and lower than 2.3.6?

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• Creating SVG map from geometry stored in MySQL

  - by Barnabe

  I have a group of geometries stored in MySQl (as polygon and as well-known text) representing counties. I can build a table of geometries and color codes after querying some county data (say GDP per capita). What is the best way to export this as an SVG map? I cannot find any reference to SVG conversion in the MySQL documentation.

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• Does the return value of a MATLAB function depend on how it's called?

  - by user198729

  A = imread(filename, fmt) [X, map] = imread(...) The above is in the synopsis part of imread, which seems to say that the return value of a MATLAB function depends on how it's called? Is that true?

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• How do I do this loop in Django template?

  - by alex

  {% for d in mydata %} {{ d.title }} {% endfor %} However, I would like the first one to be bolded. How can I use the loop to say...if the d is the first one, then bold it?

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• How to create a dynamic array of an Abstract class?

  - by outsyncof

  Lets say I have an abstract class Cat that has a few concrete subclasses Wildcat, Housecat, etc. I want my array to be able to store pointers to a type of cat without knowing which kind it really is. When I try to dynamically allocate an array of Cat, it doesn't seem to be working. Please help? Cat* catArray = new Cat[200];

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• How is GUID pronounced?

  - by Roberto Sebestyen

  Is it pronounced "Gewid" or is it prononced "G.U.I.D" by spelling out the letters. It seems inconsistently used. What is the proper pronountiaton? Same story goes for SQL. It seems more people say "S.Q.L." than "Sequel".

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• Is there any way to achieve multiple inheritance in php?

  - by Starx

  Lets say I have a parent class class parent { } ..... This parent has three sub class class child1 { } class child2 { } class child3 { } and these child classes have further smaller parts like class child1subpar1 { } class child1subpar2 { public function foo() { echo "hi"; } } class child2subpar1 { } class child2subpar2 { } Now, how to sum this whole up like class child1 extends child1subpar1, child1subpar2 { } class child2 extends child2subpar1, childsubpar1 { } class parent extends child1,child2,child3 { } I need to execute the methods in its inherited classes and do something like this $objparent = new parent; $objparent - foo();

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• How can I partial compare two strings in C?

  - by Nazgulled

  Hi, Let's say I have the following content: Lorem Ipsum is simply dummy text of the printing and typesetting industry. How do I search for dummy or dummy text in that string using C? Is there any easy way to do it or only with strong string manipulation? All I need is to search for it and return a boolean with the result.

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