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Is std::vector so much slower than plain arrays?

... enough to optimize out all the C++ness and make STL containers as fast as raw arrays. The bottom line is that the compiler is unable to optimize away the no-op default constructor calls when using std::vector. If you use plain new[] it optimizes them away just fine. But not with std::vector. Even ...
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How to get a resource id with a known resource name?

I want to access a resource like a String or a Drawable by its name and not its int id. 10 Answers ...
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How to change Git log date formats

...ers are (from git help log): --date=(relative|local|default|iso|rfc|short|raw) Only takes effect for dates shown in human-readable format, such as when using "--pretty". log.date config variable sets a default value for log command’s --date option. --date=relative shows dates relative to ...
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“Inner exception” (with traceback) in Python?

... try: sock_common = xmlrpclib.ServerProxy(rpc_url+'/common') self.user_id = sock_common.login(self.dbname, username, self.pwd) except IOError: _, ex, traceback = sys.exc_info() message = "Connecting to '%s': %s." % (config['connection'], ex...
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simple HTTP server in Java using only Java SE API

...s like: Jetty, Apache Http Components, Netty and others to be more like a raw HTTP processing facilities. The labelling is very subjective, and depends on the kinds of thing you've been call-on to deliver for small-sites. I make this distinction in the spirit of the question, particularly the rema...
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How does Dijkstra's Algorithm and A-Star compare?

... x, y = node.point print x, y pacman_x, pacman_y = [ int(i) for i in raw_input().strip().split() ] food_x, food_y = [ int(i) for i in raw_input().strip().split() ] x,y = [ int(i) for i in raw_input().strip().split() ] grid = [] for i in xrange(0, x): grid.append(list(raw_input().strip())) ne...
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Table Naming Dilemma: Singular vs. Plural Names [closed]

...en select user.id from users? Or perhaps ...from users left join on thingy.user_id = user.id...? – Samuel Danielson Feb 24 '17 at 5:34  |  sho...
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C# Pass Lambda Expression as Method Parameter

...lTimeJob, Student, FullTimeJob>(sql, lambda, splitOn: "user_id", param: parameters).ToList<IJob>(); } } You would call it: getJobs((job, student) => { job.Student = student; job.StudentId = student.Id; return job; ...
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How to update npm

...up_8.x | sudo -E bash - sudo apt-get install nodejs Then : curl https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | sh After this, open a new terminal and check the npm version: npm --version EDIT / UPDATE : Today the last nvm version is : https://raw.githubusercontent...
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How to use a variable inside a regular expression?

...ment on how to deal with special characters I'd like to extend my answer: raw strings ('r'): One of the main concepts you have to understand when dealing with special characters in regular expressions is to distinguish between string literals and the regular expression itself. It is very well expl...