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Count(*) vs Count(1) - SQL Server
... any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past?
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Are there any downsides to passing structs by value in C, rather than passing a pointer?
Are there any downsides to passing structs by value in C, rather than passing a pointer?
10 Answers
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How can I format patch with what I stash away
In git, I stash away my changes. Is it possible that I can create a patch with what I stash away? And then apply that patch in some other repository (my co-worker's)?
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How to exclude this / current / dot folder from find “type d”
can be used to find all directories below some start point. But it returns the current directory ( . ) too, which may be undesired. How can it be excluded?
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A simple scenario using wait() and notify() in java
... get a complete simple scenario i.e. tutorial that suggest how this should be used, specifically with a Queue?
6 Answers
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Count number of matches of a regex in Javascript
I wanted to write a regex to count the number of spaces/tabs/newline in a chunk of text. So I naively wrote the following:-
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Disable Interpolation when Scaling a
...n of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concerned with how the browser draws lines; I care about how the browser renders the canvas element itself when it is scaled up.
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Python - abs vs fabs
...iced that in python there are two similar looking methods for finding the absolute value of a number:
4 Answers
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What are “decorators” and how are they used?
...n AngularJS. There isn't much information online for decorators save for a blurb in the AngularJS documentation and a brief (albeit interesting) mention in a youtube video .
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How do I query using fields inside the new PostgreSQL JSON datatype?
...ndrew Dunstan on the pgsql-hackers list:
At some stage there will possibly be some json-processing (as opposed
to json-producing) functions, but not in 9.2.
Doesn't prevent him from providing an example implementation in PLV8 that should solve your problem.
Postgres 9.3
Offers an arsenal o...