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  • fastest way to copy a table in mysql

    - by Anon
    which one is the fastest way to completely copy a table on mysql ? CREATE TABLE copy LIKE original; INSERT INTO copy SELECT * FROM original; or CREATE TABLE copy SELECT * FROM original; ALTER TABLE copy ADD PRIMARY KEY (id); or theres another way ? PS. can't use command-line tools like mysqldump, must be on-the-fly.

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  • Hash Table v/s STL map in C++

    - by anon
    Hi, I am trying to learn C++ maps. Was just wondering about the implementation of STL map. I read it employs Binary search tree. Is there a implementation of hash table in STL? How exactly do STL map stores Key Value pairs?

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  • Use the style defined in resource dictionary :

    - by Malcolm
    I have a style defined for listboxitem in a resource dictionary. I want to use this style in a cs file of listbox : I am doing the below thing but it gives me null ,CustomListBoxItemStyle is a name of a key given to the style. public class CustomListBox : ListBox { public CustomListBox() { this.ItemContainerStyle = Application.Current.Resources["CustomListBoxItemStyle"] as Style; } } There is no xaml for this. How to achieve this?

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  • What is the most secure encryption mode for Android?

    - by jax
    Currently I am using: Algorithm_mode_padding="RSA/ECB/PKCS1Padding" Provider="BC" I have heard that ECB can cause patterns in the output. What is the most secure Algorithm, mode and padding for Android at the moment? I will be using this for license files. Also, what is the best keysize to use when creating a new public and private key?

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  • How to do a back-reference on Google Webapp?

    - by jCuga
    I'm trying to access an object that is linked to by a db.ReferenceProperty in Google app engine. here's the model's code: class InquiryQuestion(db.Model): inquiry_ref = db.ReferenceProperty(reference_class=GiftInquiry, required=True, collection_name="inquiry_ref") And I am trying to access it in the following way: linkedObject = question.inquiry_ref and then linkedKey = linkedObject.key but it's not working. Can anyone please help?

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  • TextMate can show definition of a function easily?

    - by Jian Lin
    I am using TextMate on a Ruby on Rails project and wonder if you can put the mouse on link_to, and then press a key and it will show the definition of link_to, or does this for any other helper functions? Or, click open a box and type in a function name and it will show you the definition?

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  • Intializing dictionary in c# 3.0

    - by Casey
    I'm having trouble with the following collections initalization: private Dictionary<string, string> mydictionary = new Dictionary<string, string>() { {"key", "value"} , {"key2", "value2"} , {"key3", "value3"} }; I keep getting various compiler errors about the syntax. From what I have googled this should be perfectly valid C# 3.0 code. The first error that pops up is: Error 102 ; expecte What am I doing wrong?

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  • SQL server partitioning

    - by durilai
    I have a table that has millions of records and we are looking at implementing table partitioning. Looking at it we have a foreign key "GroupID" that we would like to partition on. Is this possible? The Group will have more entries added to it, so as new GroupID's are added can the partition's be made dynamically?

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  • Wordpress post query php custom field conditional

    - by Andy
    Here's the situation: In wordpress I'm trying to reset a post WP_Query so that I can rewrite the post link based on whether or not a custom field exists in the post. I'm trying to give the post a NEW link in the custom field. All I've managed to do here is kill the link entirely. Any and all help is greatly appreciated, I'm pretty green to php. Here's my WP_Query: <?php $recentPosts = new WP_Query(); $recentPosts->query('showposts=3'); ?> <?php while ($recentPosts->have_posts()) : $recentPosts->the_post(); ?> <div <?php post_class() ?> id="post-<?php the_ID(); ?>"> <?php $attribute = the_title_attribute(); $title = the_title(); $key = 'NewPostLink'; $newLink = get_post_meta( $post->ID, $key, TRUE ); if ($newLink != '') { $theLink = get_permalink ($post->ID ); if (has_post_thumbnail()) { $image = get_the_post_thumbnail( $post->ID ); echo '<div class="thumbnailbox"><div class="thumbnail"><a href="'.$theLink.'">'.$image.'</a></div></div>'; echo '<h2><a href="'.$theLink.'" rel="bookmark" title="Permanent Link to '.$attribute.'">'.$title.'</a></h2>'; } else { echo '<h2><a href="'.$theLink.'" rel="bookmark" title="Permanent Link to '.$attribute.'">'.$title.'</a></h2>'; } } else { $theLink = $newLink; if (has_post_thumbnail()) { $image = get_the_post_thumbnail( $post->ID ); echo '<div class="thumbnailbox"><div class="thumbnail"><a href="'.$theLink.'">'.$image.'</a></div></div>'; echo '<h2><a href="'.$theLink.'" rel="bookmark" title="Permanent Link to '.$attribute.'">'.$title.'</a></h2>'; } else { echo '<h2><a href="'.$theLink.'" rel="bookmark" title="Permanent Link to '.$attribute.'">'.$title.'</a></h2>'; } } ?> <small><?php the_time('F jS, Y') ?></small> <div class="entry"> <?php the_excerpt(); ?> </div> </div> <?php endwhile; ?>

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  • mysql join on two indexes takes long time!!

    - by Alaa
    Hi All I have a custom query in dripal, this query is: select count(distinct B.src) from node A, url_alias B where concat('node/',A.nid)= B.src; now, nid in node is primary key and i have made src as an index in url_alias table. after waiting for more than a minute i got this: +-----------------------+ | count(distinct B.src) | +-----------------------+ | 325715 | +-----------------------+ 1 row in set (1 min 24.37 sec) now my question is: why did this query take this long, and how to optimize it?? Thanks for your help

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  • Left outer join in LINQ is showing exception

    - by stackuser3
    The folloqing is the excpetion I am getting The null value cannot be assigned to a member with type System.Int32 which is a non-nullable value type. below is my LINQ Statement where QuestionId is the primary key in my table var questionViewsData = from questionViews in objDc.SC_QuestionsViews join questions in objDc.SC_Questions on questionViews.QuestionId equals questions.QuestionId into qs from questions in qs.DefaultIfEmpty() where questionViews.CreatedDate.Date == new DateTime(2010, 4,27) select new { Selected =(questions == null ?-1:questions.QuestionId), QuestioinTitle = questions.Title, VotesCount = questions.VotesCount }; Let me know how to resolve this

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  • Multi color Edit Field (Win32)

    - by user146780
    I want to create a program that will parse text for key words and make these words a certain color. What type of control supports many different colors? Would I have to create my own, or override the OnPaint() of a basic control or something? (Id like to avoid making my own control from scratch) Thanks

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  • Does array contain a specific value

    - by padatronic
    Hi chaps, I have an array of nsdictionaries and one key is ID (which is unique) I simply want to see if the the array of dictionaries contains a specific ID. Really simple but its friday and after statiny up watching the election i think my brain is melting. Any help would be great. Thanks

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  • How to protect an ASP Classic Page?

    - by SH
    How can I protect an ASP Classic page with either HTTP AUTH (you must provide a username and password to service) or a randomly generated access key that will be included as one of the parameters of the HTTP POST using the variable name access_key. Can anybody provide asp classic code in this regard? Quick help will be appreciated... PS: OrderGroove is a 3rd party service... neglect it.

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  • Custom warning in Xcode

    - by maximumnamelength
    I'm working on an API library and I'd like to add a few warnings that would appear when another developers builds the app if an optional apikey is not included. It should be buildable w/o the key (since it's optional) so I can't just add a syntax error to force a build error. I know Xcode supports TODO and FIXME but those aren't really highlighted anywhere major. Any other thoughts on how to approach this?

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  • Generate digital signature using VBA

    - by tputkonen
    I have text cells of arbitrary length in Excel's column A. Using a private key, I want to generate digital signature for data in column A into the cell in column B. I'm looking for a macro implementation for the digital signature algorithm - I don't think one ships with Excel, but is there an addon available? It must be possible to easily verify correctness of the signature in other environments as well.

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  • STL map - insert or update

    - by CodeJunkie
    I have a map of objects and I want to update the object mapped to a key, or create a new object and insert into the map. The update is done by a different function that takes a pointer to the object (void update(MyClass *obj)) What is the best way to "insert or update" an element in a map?

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