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How do I find the authoritative name-server for a domain name?
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beware that this shows doesn't necessarily show recent changes to DNS configs, however using dig seemed to, for me (see answer below)
– rogerdpack
May 29 '14 at 6:33
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How to default to other directory instead of home directory
...h name, "/d/work_space_for_my_company/project/code_source", is simpler and doesn't depend on where your $HOME happens to be.
– Keith Thompson
Aug 10 '11 at 20:42
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Concurrent vs serial queues in GCD
...dispatch type (sync or async) is only saying whether the execution goes OR doesn't go to the next instruction? I mean, if I dispatch a task SYNC the code will block until that tasks finishes, no matter what queue it's executed on?
– Bogdan Alexandru
Oct 4 '13 a...
How do I grep for all non-ASCII characters?
... This won't work in BSD grep (on OS X 10.8 Mountain Lion), as it does not support the P option.
– Bastiaan M. van de Weerd
Oct 22 '12 at 9:54
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What is the correct way to start a mongod service on linux / OS X?
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Does mongod need to display information through the window server; does it need to be a launch agent or is it enough to make it a launch daemon?
– Marius Butuc
Feb 10 '13 at 19:55
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~x + ~y == ~(x + y) is always false?
Does this code always evaluate to false? Both variables are two's complement signed ints.
11 Answers
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Best practices: throwing exceptions from properties
...e that just because a property is not designed to throw an exception, that doesn't mean it won't; it could easily be calling code that does. Even the simple act of allocating a new object (like a string) could result in exceptions. You should always write your code defensively and expect exceptions ...
insert vs emplace vs operator[] in c++ map
...ap, and if it exists it will return a reference to the stored value. If it does not, it will create a new element inserted in place with default initialization and return a reference to it.
The insert function (in the single element flavor) takes a value_type (std::pair<const Key,Value>), it ...
How to output MySQL query results in CSV format?
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the sed 'fix' does not compensate for commas that may appear in any of the selected data and will skew your columns outputted accordingly
– Joey T
Dec 11 '12 at 1:17
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Getting LaTeX into R Plots
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Unfortunately, this doesn't have nearly the features of LaTeX.
– Myles Baker
Sep 11 '14 at 6:32
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