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Get operating system info

...from an answer on SO https://stackoverflow.com/a/15497878/ <?php $user_agent = $_SERVER['HTTP_USER_AGENT']; function getOS() { global $user_agent; $os_platform = "Unknown OS Platform"; $os_array = array( '/windows nt 10/i' => 'Windows 10'...
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How to sort an IEnumerable

...myList = myEnumerable.ToList(); myList.Sort(); Based on your comment: _components = (from c in xml.Descendants("component") let value = (string)c orderby value select value ) .Distinct() .ToList(); or _com...
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Shell script while read line loop stops after the first line

... The problem is that do_work.sh runs ssh commands and by default ssh reads from stdin which is your input file. As a result, you only see the first line processed, because ssh consumes the rest of the file and your while loop terminates. To preve...
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Basic http file downloading and saving to disk in python?

...URLopener is deprecated. And when used you will get error as below: url_opener = urllib.URLopener() AttributeError: module 'urllib' has no attribute 'URLopener' So, try: import urllib.request urllib.request.urlretrieve(url, filename) ...
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What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?

... This part is new. Expression Literals When you have an expression (M_PI / 16 for example) you should put it inside parenthesis. This syntax works for numeral expressions, booleans, finding an index in a (C-) string, boolean values, enum constants, and even character strings! NSNumber *piO...
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Print current call stack from a method in Python code

...port traceback def f(): g() def g(): for line in traceback.format_stack(): print(line.strip()) f() # Prints: # File "so-stack.py", line 10, in <module> # f() # File "so-stack.py", line 4, in f # g() # File "so-stack.py", line 7, in g # for line in traceback.form...
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Update MongoDB field using value of another field

...; { requests.push( { 'updateOne': { 'filter': { '_id': document._id }, 'update': { '$set': { 'name': document.name } } } }); if (requests.length === 500) { //Execute per 500 operations and re-init db.collection.bulkWrite(requests)...
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What is the use of having destructor as private?

...e connection being open or a file being written. You could have a "request_delete" method in the class or the manager that will check that condition and it will either delete or decline, and return a status telling you what it did. That's far more flexible that just calling "delete". ...
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How to initialize std::vector from C-style array?

... Don't forget that you can treat pointers as iterators: w_.assign(w, w + len); share | improve this answer | follow | ...
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Call one constructor from another

... @ivan_pozdeev: Yes, you can; use ?: or call a static method. – SLaks Oct 12 '14 at 1:17 3 ...