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Should I declare Jackson's ObjectMapper as a static field?
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StaxManStaxMan
98.6k2828 gold badges184184 silver badges223223 bronze badges
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Pandas: Looking up the list of sheets in an excel file
...99 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.89...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
...SLAVE;
CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=98;
Where the values of the above fields are the ones you copied before.
Finally, type:
START SLAVE;
To check that everything is working again, after typing:
SHOW SLAVE STATUS;
you should see:
Slave_IO_Running: Yes
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Why do you need to invoke an anonymous function on the same line?
...MA script specification, there are 3 ways you can define a function. (Page 98, Section 13 Function Definition)
1. Using Function constructor
var sum = new Function('a','b', 'return a + b;');
alert(sum(10, 20)); //alerts 30
2. Using Function declaration.
function sum(a, b)
{
return a + b;
}
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Mercurial: how to amend the last commit?
...r reorder some. If your last revision is 99, you may just use hg qimport -r98:tip; hg qpop; [edit series file]; hg qpush -a; hg qfinish -a.
Of course, this procedure is highly discouraged and risky. Make a backup of everything before you do this!
As a sidenote, I've done it zillions of times on pr...
Why do all browsers' user agents start with “Mozilla/”?
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298
It is a long and sad story.
In summary:
Mozilla browser gets released, with User-Agent Mozil...
Capturing Groups From a Grep RegEx
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98
I realize that an answer was already accepted for this, but from a "strictly *nix purist angle"...
Best way to store date/time in mongodb
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Dan Dascalescu
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answered Sep 23 '10 at 13:28
Niels van ...
Filtering a list based on a list of booleans
...i for (i, v) in zip(list_a, fil) if v] #winner
100000 loops, best of 3: 1.98 us per loop
>>> list_a = [1, 2, 4, 6]*100
>>> fil = [True, False, True, False]*100
>>> %timeit list(compress(list_a, fil)) #winner
10000 loops, best of 3: 24.3 us per loop
>>&...
What does “Git push non-fast-forward updates were rejected” mean?
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VonCVonC
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