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Best way to do nested case statement logic in SQL Server
...1 ELSE NULL END,
CASE WHEN condition2 THEN calculation2 ELSE NULL END,
etc...
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SQL JOIN and different types of JOINs
...Note that a JOIN without any other JOIN keywords (like INNER, OUTER, LEFT, etc) is an INNER JOIN. In other words, JOIN is
a Syntactic sugar for INNER JOIN (see: Difference between JOIN and INNER JOIN).
2. OUTER JOIN :
OUTER JOIN retrieves
Either,
the matched rows from one table and all row...
Image width/height as an attribute or in CSS? [duplicate]
... would have to be redrawn for floated elements, specified padding, margins etc.
Whether to specify in html or css is best judged on individual circumstances. A large number of images of the same size would probably be best served with css, a single image with html. That said, if you are specifying ...
MySQL Database won't start in XAMPP Manager-osx
...mputername>.local.pid)
My Solution:
In /Applications/XAMPP/xamppfiles/etc/my.cnf change user = <uid> s that <uid> is uid from id command.
$ id
uid=...
$ vim /Applications/XAMPP/xamppfiles/etc/my.cnf
...
s...
Using regular expression in css?
...This was in a recommendation for CSS 2.1; it is supported by IE 7, Opera 9 etc.. Source: developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors
– Mike S
Jun 10 '14 at 20:38
2...
Approximate cost to access various caches and main memory?
...es for example).
Additionally, this page has some details on clock cycles etc. The second link served the following numbers:
Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22]
local L1 CACHE hit, ~4 cycles ( 2.1 - 1.2 ns )
local L...
How do I check whether a file exists without exceptions?
... exists(). Here is some simple REPL output:
>>> os.path.isfile("/etc/password.txt")
True
>>> os.path.isfile("/etc")
False
>>> os.path.isfile("/does/not/exist")
False
>>> os.path.exists("/etc/password.txt")
True
>>> os.path.exists("/etc")
True
>>>...
Finding local IP addresses using Python's stdlib
...s won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your machine needs a resolvable hostname.
sha...
Viewing contents of a .jar file
What would be the easiest way to view classes, methods, properties, etc. inside a jar file?
I'm looking for something equivalent to the very useful Lutz Roeder .NET Reflector - for Java
...
What is stability in sorting algorithms and why is it important?
...orithms are stable by nature like Insertion sort, Merge Sort, Bubble Sort, etc. And some sorting algorithms are not, like Heap Sort, Quick Sort, etc.
Background: a "stable" sorting algorithm keeps the items with the same sorting key in order. Suppose we have a list of 5-letter words:
peach
straw...