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The performance impact of using instanceof in Java
I am working on an application and one design approach involves extremely heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any per...
Parsing a JSON string in Ruby
... edited Oct 3 '18 at 3:43
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Mar 23 '11 at 19:41
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Does file_get_contents() have a timeout setting?
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default_socket_timeout, stream_set_timeout, and stream_context_create timeout are all the timeout of every line read/write, not the whole connection timeout.
– diyism
Nov 4 '14 at 8:27
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Javascript “Not a Constructor” Exception while creating objects
...Project is not a constructor
Variable declarations using var are hoisted and thus always evaluated before the rest of the code. So, this can also be causing issues:
function Project(){}
function localTest() {
new Project(1,2,3); // `Project` points to the local variable,
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Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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Extract only right most n letters from a string
...d to code maintanance than a regular expression. An extension method (or standard function if .NET 2.0) is the best solution.
– stevehipwell
Nov 12 '09 at 14:57
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How to use custom packages
I'm trying to create and use a custom package in Go. It's probably something very obvious but I cannot find much information about this. Basically, I have these two files in the same folder:
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Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
I have a data frame df and I use several columns from it to groupby :
7 Answers
7
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MySQL pagination without double-querying?
...dering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
9 Answer...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
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There's really no easy way to mix fluid and fixed widths with Bootstrap 3. It's meant to be like this, as the grid system is designed to be a fluid, responsive thing. You could try hacking something up, but it would go against what the Responsive Grid system is t...