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Understanding reference counting with Cocoa and Objective-C

... If I don't, there will be a memory leak. Example of object creation: NSString* s = [[NSString alloc] init]; // Ref count is 1 [s retain]; // Ref count is 2 - silly // to do this after init [s release]; ...
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CKEditor automatically strips classes from div

...not a good idea... config.allowedContent = true; To play with a content string works fine for id, etc, but not for the class and style attributes, because you have () and {} for class and style filtering. So my bet is for allowing any class in the editor is: config.extraAllowedContent = '*(*)';...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... Recommended: Declare your variables, for example when you try to append a string to an undefined variable. Or use isset() / !empty() to check if they are declared before referencing them, as in: //Initializing variable $value = ""; //Initialization value; Examples //"" When you want ...
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Clicking URLs opens default browser

... { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } } share | improve this answer | ...
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BeautifulSoup Grab Visible Webpage Text

...ml(html) was returning 153 us per loop It worked really well to return a string with rendered html. This nltk module was faster than even html2text, though perhaps html2text is more robust. betterHTML = html.decode(errors='ignore') %timeit html2text.html2text(betterHTML) %3.09 ms per loop ...
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Passing just a type as a parameter in C#

...common approaches. First, you can pass System.Type object GetColumnValue(string columnName, Type type) { // Here, you can check specific types, as needed: if (type == typeof(int)) { // ... This would be called like: int val = (int)GetColumnValue(columnName, typeof(int)); The other opti...
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LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca

... Just save the string to a temp variable and then use that in your expression: var strItem = item.Key.ToString(); IQueryable<entity> pages = from p in context.pages where p.Serial == strItem ...
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Remove all the children DOM elements in div

... In Dojo 1.7 or newer, use domConstruct.empty(String|DomNode): require(["dojo/dom-construct"], function(domConstruct){ // Empty node's children byId: domConstruct.empty("someId"); }); In older Dojo, use dojo.empty(String|DomNode) (deprecated at Dojo 1.8): dojo.em...
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Ruby regular expression using variable name

...tr.gsub( /#{var}/, 'foo' ) # => "foo foo foo" However, if your search string contains metacharacters and you do not want them interpreted as metacharacters, then use Regexp.escape like this: var = "*This*" str = "*This* is a string" p str.gsub( /#{Regexp.escape(var)}/, 'foo' ) # => "foo is ...
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Best practice for Django project working directory structure

...s.py templatetags/ __init__.py templatetag_extras.py gulpfile.js manage.py requirements.txt I think this: settings.py settings_dev.py settings_production.py is better than this: settings/__init__.py settings/base.py settings/d...