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Can I load a UIImage from a URL?

...llpaper.net/iphone/img/app/i/p/iphone-4s-wallpapers-mobile-backgrounds-dark_2466f886de3472ef1fa968033f1da3e1_raw_1087fae1932cec8837695934b7eb1250_raw.jpg"); var err: NSError? var imageData :NSData = NSData.dataWithContentsOfURL(url,options: NSDataReadingOptions.DataReadingMappedIfSafe, error...
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Split files using tar, gz, zip, or bzip2 [closed]

...is very close to the content of this answer: # create archives $ tar cz my_large_file_1 my_large_file_2 | split -b 1024MiB - myfiles_split.tgz_ # uncompress $ cat myfiles_split.tgz_* | tar xz This solution avoids the need to use an intermediate large file when (de)compressing. Use the tar -C opti...
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How do I design a class in Python?

...function so that it only happens once. Something like: class Dog: def __init__(self): self._footsteps=None def footstep(self,n): if not self._footsteps: self.readInFootsteps(...) return self._footsteps[n] [This is now a sort of caching pattern. The first time it goe...
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How to link C++ program with Boost using CMake

... In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation. As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common lib...
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Rails I18n validation deprecation warning

... the following line inside the Rails::Application body config.i18n.enforce_available_locales = true The possible values are: false: if you want to skip the locale validation don't care about locales true: if you want the application to raise an error if an invalid locale is passed (or) wan...
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Install a .NET windows service without InstallUtil.exe

...My Sample Service", "Service that executes something", _InstanceID, // System.ServiceProcess.ServiceAccount.LocalService, // this is more secure, but only available in XP and above and WS-2003 and above System.ServiceProcess.ServiceAccount.LocalSystem, // this is req...
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Generating random numbers in Objective-C

... You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed. #include <stdlib.h> // ... // ... int r = arc4random_uniform(74); The arc4random man page: NAME arc4random, arc4ran...
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Using “label for” on radio buttons

...ds like a clear case to use a checkbox instead :D – T_D Mar 13 at 15:16 Ah, no what I meant was one super-label that t...
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module.exports vs exports in Node.js

... Setting module.exports allows the database_module function to be called like a function when required. Simply setting exports wouldn't allow the function to be exported because node exports the object module.exports references. The following code wouldn't allow the...
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Inserting a tab character into text using C#

...at is NOT ALWAYS correctly aligned. Example in VB.Net: Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load TextBox1.Text = "Bernard" + vbTab + "32" TextBox2.Text = "Luc" + vbTab + "47" TextBox3.Text = "François-Victor" + vbTab + "12" End Sub will display ...