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• Reduce the number of additional Queries to 0 by overriding functions in the base model

  - by user334017

  my basic database setup is: User:... Info: relations: User: { foreignType:one } When displaying information on the user it takes: 1 query to find info on the user, and 1 query to find additional info I want to reduce this to one query that finds both, I assume I need to override a function from BaseUser.class.php, or something along those lines but I'm not really sure what to do. Thanks!

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• Getting length of ParellQuery collection

  - by dotnetdev

  Hi, Is there a way to get the length of a collection from this? ParallelQuery<string> Lines = File.ReadAllLines("Topics.txt").AsParallel<string>(); This has no length property. There is a count method but it takes a Func. If I don't pass a Func paremeter, I could get all the properties in the collection, but how could I not pass one in? Thanks

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• Create variables for unknown amount of arguments?

  - by user347600

  Working on an rsync script and the portion below is in a for loop. What I want to achieve is assign a variable to every arguement after 3. Just confused if I need to create another loop for that or not: #1: name name=$1 #2: ip ip=$2 #3: user user=$3 #4+: folder exlusion #any lines higher than 3 will be created as exlcude folders ex[ARG_NUMBER]=

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• Set Date in a single line

  - by hibernate

  According to the java API, the constructor Date(year, month, day) is depreciated. I know that I can replace it with the following code: Calendar myCal = Calendar.getInstance(); myCal.set(Calendar.YEAR, theYear); myCal.set(Calendar.MONTH, theMonth); myCal.set(Calendar.DAY_OF_MONTH, theDay); Date theDate = myCal.getTime(); However, I would like something shorter to replace it with (ideally one-two lines). Any suggestions?

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• How to create "floating TextViews" in Android?

  - by Sotapanna

  Hi stackies, I'm programmatically putting various TextViews into a LinearLayout with a horizontal orientation. After 2h of research I couldn't find out how to tell Android not to squeeze all the TextViews in one line but instead to "float" non-fitting TextViews into the next line. I know there isn't something like actual "lines" in a LinearLayout, but how can I tell the TextViews to actually behave like floating DIVs from the HTML world? Thanks alot! Be well S.

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• Regex to find A and not B on a line

  - by Zach

  I'm looking for a regex to search my python program to find all lines where foo, but not bar, is passed into a method as a keyword argument. I'm playing around with lookahead and lookbehind assertions, but not having much luck. Any help? Thanks

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• [C++ / NCURSES] Can't convert from 'int' to 'int *'

  - by flarn2006

  So I have these lines of code: int maxY, maxX; getmaxyx(stdscr, &maxY, &maxX); It gives me the following error: error C2440: '=' : cannot convert from 'int' to 'int *' Conversion from integral type to pointer type requires reinterpret_cast, C-style cast or function-style cast twice for each time I use it. I'm not even using the = operator! The curses.h file is included. What am I doing wrong?

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• comparing two text files storing it in third one python

  - by tazim

  Hi, I need to compare two files and redirect the different lines to third file. I know using diff command i can get the difference . But, is there any way of doing it in python ?

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• Default Struct Initialization in C++

  - by coryr

  Say I have a struct that looks like this (a POD): struct Foo { int i; double d; }; What are the differences between the following two lines: Foo* f1 = new Foo; Foo* f2 = new Foo();

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• Include a tpl file with variables (Smarty)

  - by user1640660

  I have a "links.tpl" file which contains lines with many variables such as below {assign var=link_main value="index.php"} {assign var=link_login value="?a=login"} but when i include this file in home.tpl using {include file="file.tpl"} the variables {$link_main}, {$link_login} are not included i put the {assign var=link_main value="index.php"} in home.tpl and it works but not from included file i have tried adding scope=global to variable and parent to include but nothing happened I tried the last few hours finding a solution, any help is appreciated

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• rake does not returning anything

  - by CHID

  Hi, I jus created a rails application. I created a model using ruby script/generate model Article next i edited the my articles.rb file by adding these lines in self.up method def self.up create_table :articles do |t| t.string :title t.text :body t.string :published_at t.timestamps end end Now i ran rake db:migrate . But migrate does not work, it simply does no print anything. Anyone knows where i am going wrong?

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• Drupal 6 Forms formatting

  - by Steven1350

  I am trying to create a form in drupal 6 that has multiple items on the same line. More specificly, I want a right alligned form what has a textfield, dropdown-box, and button all on the same line. I know how to create the items, but drupal tends to put them all on seperate lines. How do I put it on one line? Thanks

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• How to show tab character while using expandtab setting?

  - by Plugawy

  In my .gvimrc I have following lines: set listchars=tab:\.\ ,trail:- set softtabstop=2 set shiftwidth=2 set tabstop=2 set expandtab When I change last line to set noexpandtab the indents can be seen and marked with . Is there a way to make vim treat expanded tabs like "normal" tab so that list option works as expected?

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• What does this C++ construct do?

  - by cambr

  Somewhere in lines of code, I came across this construct... //void* v = void* value from an iterator int i = (int)(long(v)) What possible purpose can this contruct serve? Why not simply use int(v) instead? Why the cast to long first?

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• Adding folder to Eclipse classpath

  - by Paul

  Hello, When i develop a project i create a folder in my project called libs. And in this folder i place all the library jars that i use. Is there a way to add just the libs folder to the class path so that i do not have to add each individual jar? I was thinking something along the lines of a variable or creating a user library. Many thanks.

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• How to convert a pseudo url to regex efficiently in PHP?

  - by user198729

  url: articles/:id/:title id: \d+ The above should result in : articles/(?P<id>\d+)/(?P<title>.*) It's used to in many mvc frameworks for routing. How to do it in fewest lines? A short demo is the best!

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• How to enumerate returned rows in SQL?

  - by SilentGhost

  I was wondering if it would be possible to enumerate returned rows. Not according to any column content but just yielding a sequential integer index. E.g. select ?, count(*) as usercount from users group by age would return something along the lines: 1 12 2 78 3 4 4 42

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• Amazon API library for Python?

  - by Kevin

  What Python libraries do folks use for querying Amazon product data? (Amazon Associates Web Service - used to be called E-Commerce API, or something along those lines). Based on my research, PyAWS (http://pyaws.sourceforge.net/) seems okay, but still pretty raw (and hasn't been updated in a while). Wondering if there's an obvious canonical library that I'm just missing.

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• when to use "willChangeValueForKey" and "didChangeValueForKey"?

  - by Frost Li

  I saw these lines in a demo project, but I couldn't understand why it did that. [self willChangeValueForKey:@"names"]; [self didChangeValueForKey:@"names"]; It called didChangeValueForKey immediately after willChangeeValueForKey. Does it make any sense? Furthermore, when should be the right time to call this two methods? Thanks a lot!! :)

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• output redirection in UNIX

  - by Happy Mittal

  I am a beginner in UNIX. I am finding some difficulty in input/output redirection. ls -l temp cat temp Here why temp file is shown in the list and moreover, it is showing 0 characters. wc temp temp cat temp here output is 0 0 0 temp. Why lines, words, characters are 0. Please help me to undestand this concept.

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• Shift Operators in C++

  - by Codeguru

  If the value after the shift operator is greater than the number of bits in the left-hand operand, the result is undefined. If the left-hand operand is unsigned, the right shift is a logical shift so the upper bits will be filled with zeros. If the left-hand operand is signed, the right shift may or may not be a logical shift (that is, the behavior is undefined). Can somebody explain me what the above lines mean??

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• Converting upper-case string into title-case using Ruby

  - by wsb3383

  Hi, all. I'm trying to convert an all-uppercase string in Ruby into a lower case one, but with each word's first character being upper case. Example: convert "MY STRING HERE" to "My String Here". I know I can use the .downcase method, but that would make everything lower case ("my string here"). I'm scanning all lines in a file and doing this change, so is there a regular expression I can use through ruby to achieve this? Thanks!

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• How to map frame number to time in ffmpeg output

  - by jabberbuzz

  Is it possible to get the ffmpeg output in multiple lines? I am trying to map the frame number to the time, but ffmpeg overwrites the output on the same line. frame= 638 fps=160 q=0.0 Lsize= -0kB time=26.61 bitrate= -0.0kbits/s Or is there a quicker way to get the time on the video timeline given the frame number?

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• javascript, jQuery: how to save values instead of the references

  - by Patrick

  hi, I'm using the following lines to store the location of an object. var lightboxTop = $('#lightbox').css('top'); var lightboxLeft = $('#lightbox').css(' left'); I'm successively moving this object in my element, and I want to restore it previous position with the stored variables. But, I'm afraid javascript is saving the values by reference so I lose the initial positions. Am I correct ? How can I solve this ? thanks

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• [C++] Is it possible to use threads to speed up memory-mapped file reading ?

  - by Kidpaddle2

  Hi there, I want to read a file as fast as possible (40k lines), and I was wondering if I could just launch one thread per line, using boost::threads on boost::iostreams memory-mapped files. Or if it was just wasting my time because it's just impossible for two threads to access the same file at the same time. Thanks aforehand. Sincerely, Kidpaddle2

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