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How to find out if an item is present in a std::vector?
...de <vector>
vector<int> vec;
//can have other data types instead of int but must same datatype as item
std::find(vec.begin(), vec.end(), item) != vec.end()
This returns a bool (true if present, false otherwise). With your example:
#include <algorithm>
#include <vector>
...
Convert array of strings to List
...'m working with .NET Framework 2.0 on an ASP.NET project that can't be upgraded at this time, so I was wondering: is there another solution? One that is more elegant than looping through the array and adding each element to this List (which is no problem; I'm just wondering if there is a better solu...
How to add color to Github's README.md file
I have a README.md file for my project underscore-cli , a pretty sweet tool for hacking JSON and JS on the command-line.
...
Replace a string in a file with nodejs
...ing to be replaced/g, 'replacement');
So...
var fs = require('fs')
fs.readFile(someFile, 'utf8', function (err,data) {
if (err) {
return console.log(err);
}
var result = data.replace(/string to be replaced/g, 'replacement');
fs.writeFile(someFile, result, 'utf8', function (err) {
...
Dynamically select data frame columns using $ and a character value
...ond argument. You may only pass a string which is never evaluated.
Instead use [ (or [[ if you want to extract only a single column as a vector).
For example,
var <- "mpg"
#Doesn't work
mtcars$var
#These both work, but note that what they return is different
# the first is a vector, the sec...
How do I implement a callback in PHP?
...the terms "callback" and "callable" interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elements of functional programming since PHP 4. The flavors ...
How to get the full url in Express?
...ent on a non-standard port, Chrome seems to include the port in the host header so req.get('host') returns localhost:3000, for example. So at least for the cases of a production site on a standard port and browsing directly to your express app (without reverse proxy), the host header seems to do the...
Create a new object from type parameter in generic class
...
Titian Cernicova-Dragomir
133k88 gold badges172172 silver badges185185 bronze badges
answered Jun 29 '13 at 19:16
FentonFenton
...
scheduleAtFixedRate vs scheduleWithFixedDelay
...
Try adding a Thread.sleep(1000); call within your run() method... Basically it's the difference between scheduling something based on when the previous execution ends and when it (logically) starts.
For example, suppose I schedu...
custom listview adapter getView method being called multiple times, and in no coherent order
I have a custom list adapter:
11 Answers
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