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How to calculate age (in years) based on Date of Birth and getDate()
...ob),DATEPART(d,@Dob)) THEN --birthday has happened for the @now year, so add some portion onto the year difference
( 1.0 --force automatic conversions from int to decimal
* DATEDIFF(day,DATEFROMPARTS(DATEPART(yyyy,@Now),DATEPART(m,@Dob),DATEPART(d,@Dob)),@Now) --number o...
Hashing a file in Python
...thon hashes.py bigfile
MD5: a981130cf2b7e09f4686dc273cf7187e
SHA1: 91d50642dd930e9542c39d36f0516d45f4e1af0d
$ md5 bigfile
MD5 (bigfile) = a981130cf2b7e09f4686dc273cf7187e
$ shasum bigfile
91d50642dd930e9542c39d36f0516d45f4e1af0d bigfile
Hope that helps!
Also all of this is outlined in the linked...
Batch file to delete files older than N days
...-10". -ve means "older than", +ve means "newer than". You can also specify DDMMYY or -DDMMYY format as the parameter to -d.
– gregmac
Mar 18 '10 at 16:28
42
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ASP.NET MVC JsonResult Date Format
...a look at the documentation, you can use the RegisterConverters method to add custom JavaScriptConverters. There are a few problems with this though: The JavaScriptConverter serializes to a dictionary, that is it takes an object and serializes to a Json dictionary. In order to make the object serial...
How does the vim “write with sudo” trick work?
...le and so that we can call it with sudo.
Making this trick easy
You can add this to your .vimrc to make this trick easy-to-use: just type :w!!.
" Allow saving of files as sudo when I forgot to start vim using sudo.
cmap w!! w !sudo tee > /dev/null %
The > /dev/null part explicitly throws ...
Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...KENPASTE(Unique_, LINE) expands to Unique___LINE__
– DD.
Oct 20 '09 at 20:58
3
@DD: D'oh, fixed n...
How can I merge two commits into one if I already started rebase?
...e
a931ac7c808e2471b22b5bd20f0cad046b1c5d0d c
b76d157d507e819d7511132bdb5a80dd421d854f b
df239176e1a2ffac927d8b496ea00d5488481db5 a
That is, a was the first commit, then b, and finally c. After committing c we decide to squash b and c together:
(Note: Running git log pipes its output into a pager,...
How to handle multiple heterogeneous inputs with Logstash?
...ile a bit. Example: gist.github.com/fairchild/3030472 Per documentation: Add a 'type' field to all events handled by this input. Types are used mainly for filter activation. The type is stored as part of the event itself, so you can also use the type to search for it in the web interface.
...
C/C++ Struct vs Class
...stances of the type are small and commonly short-lived or are commonly embedded in other objects. X AVOID defining a struct unless the type has all of the following characteristics: 1. It logically represents a single value, similar to primitive types (int, double, etc.). 2. It has an instance size...