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Overriding == operator. How to compare to null? [duplicate]

...eEquals emits a method call though, while casting to object will cause the compiler to just emit instructions to compare the references for equality. ... But that probably counts as evil micro-optimization. – dtb Nov 18 '10 at 20:35 ...
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Error inflating class fragment

... already using v4 Fragment and v4 FrsgmentActivity - to be more precise AppCompatActivity. – joseph Jun 27 '15 at 21:00 4 ...
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How to concatenate strings in django templates?

... instead of the extend tag, but apparently it just works. Though I would recommend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct and raises less confusion. – gitaarik Apr 2 '13 at 16:23 ...
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How to replace a single word under cursor?

... Try cw - as in 'change word'. Use http://linuxmoz.com/vi-commands-cheat-sheet/ or any other cheat sheet as a reference. share | improve this answer ...
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How to use jQuery in chrome extension?

...manifest too: "content_scripts": [ { "matches":["http://website*"], "js":["thirdParty/jquery.1.10.2.min.js", "script.js"], "css": ["css/style.css"], "run_at": "document_end" } ] This is what I did. Also, if I recall correct...
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Java synchronized method lock on object, or method?

...d (this) block around the body of the method. The object "this" doesn't become locked, rather the object "this" is used as the mutex and the body is prevented from executing concurrently with other code sections also synchronized on "this." It has no effect on other fields/methods of "this" that a...
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How do you check what version of SQL Server for a database using TSQL?

... , SERVERPROPERTY('productlevel') , SERVERPROPERTY('edition') From: http://support.microsoft.com/kb/321185 share | improve this answer | follow | ...
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What happened to “Always refresh from server” in IE11 developer tools?

...1 windows 7 still has this problem. I have reported this at the IE forum http://connect.microsoft.com/IE/feedback/details/800257/ie11-clear-browser-cache-in-developer-tools-does-not-clear-the-browser-cache share |...
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Create table in SQLite only if it doesn't exist already

... From http://www.sqlite.org/lang_createtable.html: CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...); share | ...
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NoSql Crash Course/Tutorial [closed]

... minutes to complete and is a really great way to get started with noSQL! http://www.mongodb.org/ (click "try it out") share | improve this answer | follow | ...