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What is the attribute property=“og:title” inside meta tag?

... Is it still necessary to use og, because if I want to improve my google page rankings, I remember reading that page related information should be within first 200-250 characters of the page. If I include og:title, og:description and some other fields how will my page ranking get affecte...
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Code Golf: Lasers

...ry. $/=%d=split//,' >/^\v';$_=<>;$s='#';{ y/v<^/>v</?do{my$o;$o.=" "while s/.$/$o.=$&,""/meg;y'/\\'\/'for$o,$s;$_=$o}:/>x/?die"true ":/>#/?die"false ":s/>(.)/$s$d{$1}/?$s=$1:1;redo} Explanation: $/ = %d = (' ' => '>', '/' => '^', '\\' => 'v'); If a r...
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UIPopovercontroller dealloc reached while popover is still visible

I assure you that I did look for an answer in SO for my question but none of them were helpful. Here I got a simple code that should present a UIImagePickerController within a UIPopoverController : ...
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printf with std::string?

My understanding is that string is a member of the std namespace, so why does the following occur? 7 Answers ...
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Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I

... My work around for this problem has always been to use the principle that single hash temp tables are in scope to any called procs. So, I have an option switch in the proc parameters (default set to off). If this is switche...
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How to unzip a file using the command line? [closed]

...ations, just the one batch file that does everything. I put an example on my blog on how to unzip a file using a batch file: ' j_unzip.vbs ' ' UnZip a file script ' ' By Justin Godden 2010 ' ' It's a mess, I know!!! ' ' Dim ArgObj, var1, var2 Set ArgObj = WScript.Arguments If (Wscript.Arguments....
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Proper indentation for Python multiline strings

...tation it states that it is faster than the textwrap equivalent one and in my tests in ipython it is indeed 3 times faster on average with my quick tests. It also has the benefit that it discards any leading blank lines this allows you to be flexible in how you construct the string: """ line 1 of...
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std::unique_lock or std::lock_guard?

...en you need a wrapper for a limited scope, e.g.: a member function: class MyClass{ std::mutex my_mutex; void member_foo() { std::lock_guard<mutex_type> lock(this->my_mutex); /* block of code which needs mutual exclusion (e.g. open the same ...
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LINQ Join with Multiple Conditions in On Clause

...s joined by and, not one equality of some “weird” object. And to prove my point, your code is wrong. For it work, you would have to have true on the left side and t2.Complete on the right. – svick Oct 5 '11 at 17:01 ...
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What does enumerable mean?

... If you create an object via myObj = {foo: 'bar'} or something thereabouts, all properties are enumerable. So the easier question to ask is, what's not enumerable? Certain objects have some non-enumerable properties, for example if you call Object.getOwn...