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C dynamically growing array
... idea, I have tried to add a delete function to the code...
The storage.h file looks like this...
#ifndef STORAGE_H
#define STORAGE_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int *array;
size_t size;
} Array;
void Array_Init(Array *array);
voi...
Calling a JavaScript function named in a variable [duplicate]
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I'd avoid eval.
To solve this problem, you should know these things about JavaScript.
Functions are first-class objects, so they can be properties of an object (in which case they are called methods) or even elements of arrays.
I...
res.sendFile absolute path
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The express.static middleware is separate from res.sendFile, so initializing it with an absolute path to your public directory won't do anything to res.sendFile. You need to use an absolute path directly with res.sendFile. There are two simple ways to do it:
res.sendFile(path....
Disabling user selection in UIWebView
... Copy / Paste user menu:
- (BOOL)canPerformAction:(SEL)action withSender:(id)sender
{
if (action == @selector(copy:) ||
action == @selector(paste:)||
action == @selector(cut:))
{
return _copyCutAndPasteEnabled;
}
return [super canPerformAction:action wi...
How do I fix the “You don't have write permissions into the /usr/bin directory” error when installin
...M it allows you have multiple versions of Ruby/Rails installed with gem profiles and basically keep all your gems contained from one another. You may want to check out a similar post How can I install Ruby on Rails 3 on OSX
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Combine two or more columns in a dataframe into a new column with a new name
... already mentioned in comments by Uwe and UseR, a general solution in the tidyverse format would be to use the command unite:
library(tidyverse)
n = c(2, 3, 5)
s = c("aa", "bb", "cc")
b = c(TRUE, FALSE, TRUE)
df = data.frame(n, s, b) %>%
unite(x, c(n, s), sep = " ", remove = FALSE)
...
Push origin master error on new repository
...then smacked myself in the head because I hadn't actually added my project files.
git add -A
git commit -am "message"
git push origin master
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Assign an initial value to radio button as checked
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@niksvp I believe checked="checked" is the valid way to pre-check a radio button - just using "checked" isn't valid HTML (despite being supported by most browsers)
– Matt Healy
Jan 17 '11 at 9:36
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Using JQuery - preventing form from submitting
...ion cannot get the return value from Javascript function. I don't have any idea about it.
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How to properly document S4 class slots using Roxygen2?
...on provided by Full Decent is OK if you go for documenting slots in the Rd files itself. When using roxygen2, you can use the tag @section to do basically the same with \describe. An example:
#' The EXAMPLE class
#'
#' This class contains an example. This line goes into the description
#'
#' This l...