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Track the time a command takes in UNIX/LINUX?
In UNIX/LINUX, is there an easy way to track the time a command takes?
3 Answers
3
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About .bash_profile, .bashrc, and where should alias be written in? [duplicate]
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The reason you separate the login and non-login shell is because the .bashrc file is reloaded every time you start a new copy of Bash. The .profile file is loaded only when you either log in or use the appropriate flag to tell Bash to act as a login shell.
P...
Cross field validation with Hibernate Validator (JSR 303)
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Each field constraint should be handled by a distinct validator annotation, or in other words it's not suggested practice to have one field's validation annotation checking against other fields; cross-field validation should be done at the class level. Addit...
Choosing between std::map and std::unordered_map [duplicate]
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It is very important to understand that for some applications, worst case performance is crucial to know and is the deciding factor. For some hard real-time systems, having a linear worst case like the hashtable is not acceptable. std::map is always O(lg N...
connecting to MySQL from the command line
How can you connect to MySQL from the command line in a Mac? (i.e. show me the code)
6 Answers
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When to use “ON UPDATE CASCADE”
...CADE.
However, let's say that your primary key is a 10 digit UPC bar code and because of expansion, you need to change it to a 13-digit UPC bar code. In that case, ON UPDATE CASCADE would allow you to change the primary key value and any tables that have foreign key references to the value will be...
Jackson: how to prevent field serialization
...t still a comment then...!..?
– Saravanabalagi Ramachandran
Oct 22 '15 at 14:04
transient doesnt seem to work for me, ...
How do I calculate the date six months from the current date using the datetime Python module?
...akes care of issues with 28, 30, 31 days etc. This becomes very useful in handling business rules and scenarios (say invoice generation etc.)
$ date(2010,12,31)+relativedelta(months=+1)
datetime.date(2011, 1, 31)
$ date(2010,12,31)+relativedelta(months=+2)
datetime.date(2011, 2, 28)
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Is JavaScript a pass-by-reference or pass-by-value language?
...er 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 holds the object itself).
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers
...s-support-in-asp-net-web-api-rc-version.aspx". It is working successfully, and i post data from client side to server successfully.
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