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How do I change the color of the text in a UIPickerView under iOS 7?

...IColor whiteColor]}]; return attString; } If you want to change the selection bar colors as well, I found that I had to add 2 separate UIViews to the view containing the UIPickerView, spaced 35 pts apart for a picker height of 180. Swift 3: func pickerView(_ pickerView: UIPickerView, attrib...
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How do I use IValidatableObject?

...ustom model binder): var resultsGroupedByMembers = validationResults .SelectMany(vr => vr.MemberNames .Select(mn => new { MemberName = mn ?? "", Error = vr.ErrorMessage })) .GroupBy(x => x.MemberName); foreach (v...
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“User interaction is not allowed” trying to sign an OSX app using codesign

...ish agrawal! Login your build user via the GUI and open Keychain Access. Select your signing private key, right-click, choose Get Info, change to the Access Control tab and select the "Allow all applications to access this item". ...
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)

...hat I needed... but not everyone has version 5.5 of server. use dpkg --get-selections | grep sql to get your version – Balmipour Sep 10 '15 at 11:18 ...
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Error deploying ClickOnce application - Reference in the manifest does not match the identity of the

...curity Settings" Ticked with the Option "This is a full trust application" Selected. This has to do with creating the Manifest correctly and the application will not install if these options are not set on all the Projects within the Solution that require it. I believe this is the proper way to fi...
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How can I remove an SSH key?

...gether. Go to System --> Preferences --> Startup Applications, and unselect the "SSH Key Agent (Gnome Keyring SSH Agent)" box -- you'll need to scroll down to find it. You'll still get an ssh-agent, only now it will behave sanely: no keys autoloaded, you run ssh-add to add them, and if you w...
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Is there an IDictionary implementation that, on missing key, returns the default value instead of th

...<K, V>(this IDictionary<K, V> dict, K key, Func<V> defValSelector) { V value; return dict.TryGetValue(key, out value) ? value : defValSelector(); } share | improve this an...
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Why unsigned integer is not available in PostgreSQL?

...< 65536); Here is what psql gives when I try to abuse the type. DS1=# select (346346 :: uint2); ERROR: value for domain uint2 violates check constraint "uint2_check" share | improve this answ...
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升

...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
https://www.tsingfun.com/it/bi... 

如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升

...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...