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• iPhone images on the simulator and the actual device - different bitsPerPixel values?

  - by Reuven

  Hi there, I have code running in an iPhone application I am developing. Basically, the code needs to load an images and calls: size_t bitsPerPixel = CGImageGetBitsPerPixel(imageRef); I noticed that on the iPhone simulator this call returns 24 and the device itself it returns 32. Is this behavior by design? Is it something I can control? Thanks!

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• PHP startsWith() and endsWith() functions

  - by Click Upvote

  I need two functions that would take a string and return if it starts with the specified character/string or ends with it. For example: $str='|apples}'; echo startsWith($str,'|'); //Returns true echo endsWith($str,'}'); //Returns true

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• Warehouse system

  - by TJ

  I work for an ecommerce company, and we're gearing up to make some updates to our warehouse system. During a meeting we were asked if there are any viable solutions available that could be integrated into our current systems. I was wondering if anyone had any opinions, or experiences they could share. Typical requirements: inventory management pick and pack shipping integration with USPS and UPS returns returns Thanks in advanced

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• HTML5 Offline Storage on iPad and iPhone BUG

  - by scaraveos

  Hello everyone, I created a manifest file with 1000 items. Safari, Mozilla browsers are saving the files offline successfully and even Android saves the files correctly offline. On iPad and iPhone when I am trying to save more than 300 items in some point the applicationCache returns "error". When I am trying to save less (e.x.: 200) it saves the files correctly and the applicationCache returns "cached". Any ideas? Thank you.

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• Diffence between "select count(null)" and "select count(1)"

  - by Midhat

  In MySQL Select 1 from mytable and select null from mytable both return the same number of rows. While select count(1) from mytable returns the rowcount and select count(null) from mytable always returns 0. Why?

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• python: equivalent to Javascript "||" to override non-truthful value

  - by Jason S

  In Javascript I can do this: function A(x) { return x || 3; } This returns 3 if x is a "non-truthful" value like 0, null, false, and it returns x otherwise. This is useful for empty arguments, e.g. I can do A() and it will evaluate as 3. Does Python have an equivalent? I guess I could make one out of the ternary operator a if b else c but was wondering what people use for this.

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• How to convert ASCII value to a character in Objective-C ?

  - by topace

  I was wondering if anyone has the following php function equivalents in Objective-C for iPhone development: ord() # returns the ASCII value of the first character of a string. chr() # returns a character from the specified ASCII value. Many thanks!

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• Why does typeof null misbehave in switch statements?

  - by user353366

  It is commonly known that typeof null returns "object". However, I have a piece of code that looks like this: switch(typeof null){ case "object": 1; default: 3; } This code returns 3. Why does "object" as returned by typeof null not cause the first branch of the case statement to be executed?

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• How to benchmark functions in clojure

  - by Peter Tillemans

  I know I can get the time take to evaluate a function can be printed out on the screen/stdout using the time function/macro. The time macro returns the value of the evaluated function, which makes it great to use it inline. However I want to automatically measure the runtime under specific circumstances. is there a function which returns the elapsed time in some library to hep with this benchmarking?

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• Postgresql - Edit function signature

  - by drave

  POSTGRESQL 8.4.3 - i created a function with this signature CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS SETOF record AS realised i wanted to change it to this CREATE OR REPLACE FUNCTION logcountforlasthour() RETURNS TABLE(ip bigint, count bigint) record AS but when i apply that change in the query tool it isnt accepted or rather it is accepted, there is no syntax error, but the text of the function has not been changed. even if i run "DROP FUNCTION logcountforlasthour()" between edits the old syntax comes back if i edit the body of the function, thats fine, it changes but not the signature is there something i'm missing thanks

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• How to retrieve items from a django queryset?

  - by sharataka

  I'm trying to get the video element in a queryset but am having trouble retrieving it. user_channel = Everything.objects.filter(profile = request.user, playlist = 'Channel') print user_channel[0] #returns the first result without error print user_channel[0]['video'] #returns error Models.py: class Everything(models.Model): profile = models.ForeignKey(User) playlist = models.CharField('Playlist', max_length = 2000, null=True, blank=True) platform = models.CharField('Platform', max_length = 2000, null=True, blank=True) video = models.CharField('VideoID', max_length = 2000, null=True, blank=True) video_title = models.CharField('Title of Video', max_length = 2000, null=True, blank=True) def __unicode__(self): return u'%s %s %s %s %s' % (self.profile, self.playlist, self.platform, self.video, self.video_title)

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• Skip first letters of all values returned from a sql server database

  - by Peter

  Hi, as topic says, I don't want to return the first two letters in the return values just an example: select companyname from companies returns companyX Can I write a query that returns panyX instead? Thanks in advance

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• jQuery .css() behaves differently in FF and IE

  - by Misha Moroshko

  When there is no border, why IE returns medium while FF returns 0px on the following query ? .css("border-left-width") I checked this in FF 3.6.3 and IE 6/7. Example here

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• J2me - Arrays vs vector ?

  - by Galaxy

  if we have to implementations of string split for j2me, one returns vector and the other returns array , in terms of performance on hand held devices which one is the best choice ?

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• MVC JSON ViewData Question

  - by user325142

  Can ViewData be set & returned in an ActionResult that returns Json() ? Im asking because It's not working for me but when I put the same ViewData code into a Action method that returns a View() it works? Thanks

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• Join two results in Powershell

  - by Hinek

  I've got two CMDlets that return lists of objects. One returns objects of the type SPSolution, which contains the property Id, the other returns objects of the type SPFeature with a property SolutionId. Now I want to join/merge this data something like this: $f = Get-Feature $s = Get-Solution $result = <JOIN> $f $s <ON> $f.SolutionId = $s.Id <SELECT> FeatureName = $f.DisplayName, SolutionName = $s.Name

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• How we can get the reputed value of a variable in one class into another class

  - by sairam333

  Hi all, I want to get a updated value of a variable into other class .i set value to that variable using setter method.when i use the getter in the same class it returns the setter value.But i want that getter value in another class.When i create a new object for that class and call getter method it returns null.What can i do for this .Thanks in adance

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• How do linq Last() work?

  - by acidzombie24

  I dont understand how current can be null and last can be an object while last being a LINQ function. I thought last uses GetEnumerator and keeps going until current == null and returns the object. However as you can see the first GetEnumerator().Current is null and last somehow returns an object. How do linq Last() work? var.GetEnumerator().Current var.Last()

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• Handling of 'or' condidions in Ruby vs PHP

  - by Adam

  I'm not sure what to call this, so I'll give an example. In PHP 1==2 || 2 returns 1 or true In Ruby 1==2 || 2 returns 2 (The second statement if the first evaluates to false). Is there any short way to implement similar thing in PHP?

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• [Python] Different work of the script in Windows and in FreeBSD

  - by www.yegorov-p.ru

  Hello. I'm writing some script, that works with web-servers. So, I have the following code: client = suds.client.Client(WSDLfile) client.service.Login('mylogin', 'mypass') print client.options.transport.cookiejar ####### sessnum = str(client.options.transport.cookiejar).split(' ')[1] client = suds.client.Client( WSDLfile, headers= { 'Set-Cookie' : sessnum } ) When running in FreeBSD, it returns <cookielib.CookieJar[<Cookie sessnum=9WAXQ25D37XY535F6SZ3GXKSCTZG8CVJ for .IP.IP.IP.IP/>]> but in Windows it returns <cookielib.CookieJar[]> How can I fix it?

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• Lucene unexpectedly gives different results when operator of search words changes

  - by Lars Andren

  I am using Lucene with Java. In the index I have a single document with a single name:value-field text:alabama oklahoma When I search for +alabama -oklahoma it returns no results, as expected. However, when I search for -alabama +oklahoma it returns the single document as a match to the query. Has anyone else noticed this behaviour? Any ideas on why this happens?

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• InternetCheckConnection in VB6 returning false

  - by user191582

  Hi all, Not a VB6 expert... Trying to come up with a VB6 test app that calls InternetCheckConnection. In my test app, InternetCheckConnection always returns false regardless of the URL I use. I copied and pasted this code from a larger spaghetti-code app, but in the spaghetti-code, InternetCheckConnection seems to work fine, returns true. Is there some other function I have to call first in order for InternetCheckConnection to work?

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• Creating a simple java hash server

  - by Blankman

  Is it possible to create a simple server in Java that returns a response based on a given key? So it would be a simple program, that stores a hashmap and returns the result based on a key provided by the client. What would be the fasted implementation, to have it over HTTP or a socket? The client will be a web based application.

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• Spotlight query to search for all archives and ISO files that their names do not end in bin

  - by Bytecode Ninja

  The following Spotlight query, correctly returns all archive and ISO files on my system: kind:iso OR kind:archive However, Spotlight treats .bin files as archives too and returns .bin files in the results as well. How can I modify the above query and exclude files that end in bin from the result? I tried the following query but it is not working: (kind:iso OR kind:archive) AND NOT name:*bin Thanks in advance.

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• C++ header file and function declaration ending in "= 0"

  - by Adam

  hi, I have the following code inside the .h file and I'm not sure what does the assignment statement do and how is it called properly? virtual void yield() = 0; I thought that the function returns a value of 0 by default but since this function returns void I am a little bit confused. Can anyone comment on this and maybe say how can I refer to this assignment, I mean how is it called in C++ jargon? Thanks.

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