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validation custom message for rails 3
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How do I remove the :title from the error message above? Above displays as "Title Story title is required". I want "Story title is required." Thanks.
– datauser
Oct 6 '11 at 6:37
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Getting JavaScript object key list
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Note that this is different from for(key in ob)! Object.keys wont list the keys from prototypes, but .. in obj does.
– Albert
Mar 24 '14 at 12:33
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Output array to CSV in Ruby
...er opaque looking back at it. :) It's basically extracting certain columns from the original census table into a subset.
– tamouse
Nov 13 '13 at 16:46
3
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Maven: How to include jars, which are not available in reps into a J2EE project?
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It worked like a charm. I am migrating an old project from Ant to Maven and there are a few libs I can't find in web repos.
– Paulo Pedroso
Mar 16 '17 at 23:19
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Spring @Transaction method call by the method within the same class, does not work?
... instance to intercept calls. This has the effect, that any call to "this" from within your service instance is directly invoked on that instance and cannot be intercepted by the wrapping proxy (the proxy is not even aware of any such call). One solutions is already mentioned. Another nifty one woul...
How do I correctly detect orientation change using Phonegap on iOS?
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That's the only solution that works for me from this discussion :) +1
– Atadj
Apr 15 '12 at 10:17
9
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Named capturing groups in JavaScript regex?
...s really valuable. For example, if you want to use a regex to parse a date from a string, you could write a flexible function that takes the value and the regex. As long as the regex has named captures for the year, month and date you could run through an array of regular expressions with minimal co...
Create a “with” block on several context managers? [duplicate]
...n 2.6 and 2.7.
In Python 2.6 and below, you can use contextlib.nested:
from contextlib import nested
with nested(A(), B(), C()) as (X, Y, Z):
do_something()
is equivalent to:
m1, m2, m3 = A(), B(), C()
with m1 as X:
with m2 as Y:
with m3 as Z:
do_something()
Not...
What is /dev/null 2>&1?
...standard error as we know whenever a file is opened, the operating system (from kernel) returns a non-negative integer called a file descriptor. The file descriptor for these files are 0, 1, and 2, respectively.
So 2>&1 simply says redirect standard error to standard output.
& means ...
How to compile and run C/C++ in a Unix console/Mac terminal?
...ry. For example you would see the other folders, input.cpp and output.bin
From inside the directory, now execute it with ./outbut.bin
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