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Count the items from a IEnumerable without iterating?

... Just adding extra some info: The Count() extension doesn't always iterate. Consider Linq to Sql, where the count goes to the database, but instead of bringing back all the rows, it issues the Sql Count() command and returns that result ...
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How can I display a pdf document into a Webview?

...ViewById(R.id.webview); webview.getSettings().setJavaScriptEnabled(true); String pdf = "http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf"; webview.loadUrl("https://drive.google.com/viewerng/viewer?embedded=true&url=" + pdf); ...
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Is JavaScript a pass-by-reference or pass-by-value language?

The primitive types (number, string, etc.) are passed by value, but objects are unknown, because they can be both passed-by-value (in case we consider that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object hol...
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How to call a SOAP web service on Android [closed]

...ice. Now take an input stream on the same HTTP connection and receive the string object. This string object is a SOAP response. If the response code is other than 200 then take a ErrorInput stream on same HTTPobject and receive the error if any. Parse the received response using SAXParser (in my c...
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In PHP, what is a closure and why does it use the “use” identifier?

... ohhhhhhhh, so the Uses is used to pass in extra variables, I thought it was some funny assignment. Thanks! – SeanDowney Jul 1 '09 at 20:31 41 ...
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How to count total lines changed by a specific author in a Git repository?

...y long-liner! This spot of awk swabbed everyone's deck (accurate, fast, no extra weird output). Not surprising, considering this is the sort of thing awk was designed for... Too bad you were so late to the party. – zxq9 Oct 15 '12 at 18:41 ...
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Secure random token in Node.js

...e('crypto').randomBytes(48, function(err, buffer) { var token = buffer.toString('hex'); }); The 'hex' encoding works in node v0.6.x or newer. share | improve this answer | ...
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Explain the encapsulated anonymous function syntax

... not as comprehensive as the accepted answer, it provides some very useful extra information and deserves more votes – Avrohom Yisroel Jul 18 '17 at 13:02 add a comment ...
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Bubble Sort Homework

...each turn. The heaviest is already placed last. The swapped variable is an extra check so we can mark that the list is now sorted and avoid continuing with unnecessary calculations. def bubble(badList): length = len(badList) for i in range(0,length): swapped = False for elem...
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Installing Python 3 on RHEL

... There is no extra cost. RH Software Collections are part of all RHEL developer subscriptions and most RHEL subscriptions. No-cost RHEL development subscriptions can be obtained from developers.redhat.com/download. These are real RHEL su...