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How do I tokenize a string in C++?
...t this would be convenient. But what would its return type be? std::vector<std::basic_string<…>>? Maybe, but then we’re forced to perform (potentially redundant and costly) allocations.
Instead, C++ offers a plethora of ways to split strings based on arbitrarily complex delimiters, ...
HSL to RGB color conversion
...htness
* @return {Array} The RGB representation
*/
function hslToRgb(h, s, l){
var r, g, b;
if(s == 0){
r = g = b = l; // achromatic
}else{
var hue2rgb = function hue2rgb(p, q, t){
if(t < 0) t += 1;
if(t > 1) t -= 1;
...
Adding asterisk to required fields in Bootstrap 3
...ould use the .text class or target it otherwise probably, try this html:
<div class="form-group required">
<label class="col-md-2 control-label">&#160;</label>
<div class="col-md-4">
<div class="checkbox">
<label class='text'> <!-- use...
How to convert wstring into string?
...
Here is a worked-out solution based on the other suggestions:
#include <string>
#include <iostream>
#include <clocale>
#include <locale>
#include <vector>
int main() {
std::setlocale(LC_ALL, "");
const std::wstring ws = L"ħëłlö";
const std::locale locale("...
Parallel foreach with asynchronous lambda
...ust want simple parallelism, you can do this:
var bag = new ConcurrentBag<object>();
var tasks = myCollection.Select(async item =>
{
// some pre stuff
var response = await GetData(item);
bag.Add(response);
// some post stuff
});
await Task.WhenAll(tasks);
var count = bag.Count;
I...
Shortcut for creating single item list in C#
...
Simply use this:
List<string> list = new List<string>() { "single value" };
You can even omit the () braces:
List<string> list = new List<string> { "single value" };
Update: of course this also works for more than one ...
round() for float in C++
...p://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3337.pdf)
#include <cmath>
#include <iostream>
int main(int argc, char** argv) {
std::cout << "round(0.5):\t" << round(0.5) << std::endl;
std::cout << "round(-0.5):\t" << round(-0.5) << std::e...
Animate change of view background color on Android
...e, in an XML file in the drawable folder you could write something like:
<?xml version="1.0" encoding="UTF-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
<!-- The drawables used here can be solid colors, gradients, shapes, images, etc. -->
<...
Android List Preferences: have summary as selected value?
...to "%s" using either XML or the setSummary method in Java. For example:
<ListPreference
android:key="pref_list"
android:title="A list of preferences"
android:summary="%s"
android:entries="@array/pref_list_entries"
android:entryValues="@array/pref_list_entries_values"
and...
Setting up connection string in ASP.NET to SQL SERVER
...s, it's simpler. The only thing you need to set is "YourDataBaseName".
<connectionStrings>
<add name="ConnStringDb1" connectionString="Data Source=localhost;Initial Catalog=YourDataBaseName;Integrated Security=True;" providerName="System.Data.SqlClient" />
</connectionStrings...