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Which one will execute faster, if (flag==0) or if (0==flag)?

...is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already. If flag is a built-in, then both should take the same speed. From the Wikipedia arti...
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How to check whether a file is empty or not?

... my_file.seek(0) #ensure you're at the start of the file.. ... first_char = my_file.read(1) #get the first character ... if not first_char: ... print "file is empty" #first character is the empty string.. ... else: ... my_file.seek(0) #first character wasn't empty, retu...
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How do I find the authoritative name-server for a domain name?

... He asked for the name servers, not for the IPv4 address. So type (-t) should be NS, not A. – bortzmeyer Dec 24 '08 at 7:41 1 ...
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Easy way to prevent Heroku idling?

... I wasn't able to do this as Uptimerobot requires an IP address?? I can't see how to get it to work with a url, like a herokuapp url. EDIT: My bad, I was putting in the http:// and getting an error. – Ruben Martinez Jr. Jul 10 '14 at 14:34...
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Linking R and Julia?

...ulia, though, I am curious what facilities there are for embedding Julia snippets in R code. 8 Answers ...
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How to let PHP to create subdomain automatically for each user?

... possible to create it via pure php code or I need to use some external script-server side language? 12 Answers ...
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Android EditText Max Length [duplicate]

...in why this would work versus using an app constant? Seems like having the char limit as a value in xml shouldn't change how the text buffer works. – Elliott Jan 13 '14 at 19:48 ...
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Is it possible to view RabbitMQ message contents directly from the command line?

...:18 | 13760 | 0 | 0 | 0 |rabbit@ip-11-1-52-125| | running | +-------+----------+-------------+-----------+---------+------------------------+---------------------+--------+----------+----------------+-------------------------+---------------------+--...
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ansible: lineinfile for several lines?

...g automatic removing of matching commented out entries, - name: Configure IPV4 Forwarding lineinfile: path: /etc/sysctl.conf regexp: "^#? *{{ item.key | regex_escape() }}=" line: "{{ item.key }}={{ item.value }}" with_dict: 'net.ipv4.ip_forward': 1 ...
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Setting DEBUG = False causes 500 Error

... Nevermind, found the problem. It was related to django-pipeline's behavior when the static hasn't been collected yet. As a general tip, placing a breakpoint in Django's handle_uncaught_exception method will help you figure out what's going on here. – Pieter ...