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Are there any open source C libraries with common data structures? [closed]
...SD tree.h has:
RB - red-black tree
SPLAY - splay tree
See the queue(3) and tree(3) man pages for details. I really like them because they are pure C macros without dependencies (not even libc). Plus with the BSD license you don't have to worry about any company restrictions w/ GPL.
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presentViewController and displaying navigation bar
I have a view controller hierarchy and the top-most controller is displayed as a modal and would like to know how to display the navigation bar when using
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JavaScript - Replace all commas in a string [duplicate]
I have a string with multiple commas, and the string replace method will only change the first one:
3 Answers
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How do I check whether a checkbox is checked in jQuery?
I need to check the checked property of a checkbox and perform an action based on the checked property using jQuery.
66 A...
Extract a substring according to a pattern
...we create a data frame with two columns, one for the part before the colon and one for after, and then extract the latter.
library(dplyr)
library(tidyr)
library(purrr)
DF <- data.frame(string)
DF %>%
separate(string, into = c("pre", "post")) %>%
pull("post")
## [1] "E001" "E002" "E00...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...es from the row with the highest value for Foo (rather than the max of Foo and the max of Foo2 - which is NOT the same thing) then the following will usually work better than a subquery:
SELECT
A.SalesOrderID,
A.OrderDate,
B1.Foo,
B1.Foo2
FROM
A
LEFT OUTER JOIN B AS B1 ON
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How to check if object (variable) is defined in R?
...een created by a queuing system. These can possibly be addressed with "ls" and its argument "pattern" that expects a regular expression.
The "exists" function could be reimplemented that way as
exists <-function(variablename) {
#print(ls(env=globalenv()))
return(1==length(ls(pattern=paste...
How to convert a Bitmap to Drawable in android?
...BitmapDrawable
From the documentation:
A Drawable that wraps a bitmap and can
be tiled, stretched, or aligned. You
can create a BitmapDrawable from a
file path, an input stream, through
XML inflation, or from a Bitmap
object.
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How to use a wildcard in the classpath to add multiple jars? [duplicate]
...es in the directory named foo. A classpath entry consisting simply of * expands to a list of all the jar files in the current directory.
This should work in Java6, not sure about Java5
(If it seems it does not work as expected, try putting quotes. eg: "foo/*")
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Where is HttpContent.ReadAsAsync?
... NuGet package page, the System.Net.Http.Formatting package is now legacy and can instead be found in the Microsoft.AspNet.WebApi.Client package available on NuGet here.
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